LOCAL CLIMATOLOGICAL DATA
Monthly Summary
May 2007
Station: Round Rock
Latitude: 30° 32' 55" N Longitude: 97° 37' 34" W Elevation (ground): 709 feet Time Zone: Central
+--+-------------------------------+----+---------+---------+--+-----------+--------------------+-----------------------------+------+
| | Temperature | |Deg. Days|Precip Ty| | Precip | Pressure | Wind | Sun |
| +------+------+------+------+---+ Hu-+----+----+1 fog | S+-----+-----+ Adj. to Sea Level +----+----+---+-------+-------+------+
| | M | M | A | | |mid-| H | C |2 hvy fog| n| | Ice +------+------+------+ Avg| Res|Res| Peak | Minute| Mean |
| | a | i | v | | D | ity| e | o |3 thunder| o|Water| plts| | | | | | +---+---+---+---+ |
| | x | n | e | | e | | a | o |4 ice plt| w| | | | | | S | S | | S | | S | | I |
| D| i | i | r | M | w | M | t | l |5 hail | | E | S | | | M | p | p | | p | | p | | n |
| a| m | m | a | e | | e | i | i |6 glaze | C| q | n | M | M | e | e | e | D | e | D | e | D | d |
| t| u | u | g | a | P | a | n | n |7 duststm| v| u | o | a | i | a | e | e | i | e | i | e | i | e |
| e| m | m | e | n | t | n | g | g |8 smk, hz| r| v | w | x | n | n | d | d | r | d | r | d | r | x |
| | | | | | | | | |9 blw snw| | | | | | | | | | | | | | |
| 1| 2 | 3 | 4A | 4B | 5 | 6 | 7 | 8 | 9 |10| 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18| 19| 20| 21| 22| 23 |
+--+------+------+------+------+---+----+----+----+---------+--+-----+-----+------+------+------+----+----+---+---+---+---+---+------+
|01| 80.1 | 65.0 | 72.6 | 71.2 | 69| 92| 0| 8|..3......| 0| 0.61| 0.0| 29.91| 29.75|29.829| 1.2| 0.4|240| 14|WSW| 6|347| 51 |
|02| 80.7 | 61.3 | 71.0 | 71.6 | 67| 86| 0| 6|..3......| 0| 1.01| 0.0| 29.87| 29.71|29.789| 0.7| 0.2|114| 31|WNW| 7| 93| 95 |
|03| 82.6 | 59.6 | 71.1 | 70.3 | 66| 87| 0| 7|.23......| 0| 0.07| 0.0| 29.87| 29.71|29.784| 0.3| 0.2|217| 6| SW| 3|232| 144 |
|04| 84.1 | 68.6 | 76.3 | 75.3 | 71| 88| 0| 12|1........| 0| 0.01| 0.0| 29.82| 29.69|29.761| 0.8| 0.5|241| 10|ESE| 4|217| 122 |
|05| 82.0 | 72.5 | 77.3 | 76.4 | 71| 85| 0| 13|.........| 0| 0.00| 0.0| 29.75| 29.62|29.681| 1.7| 1.1|273| 16| SW| 6|257| 65 |
| | | | | | | | | | | | | | | | | | | | | | | | |
|06| 85.9 | 73.9 | 79.9 | 78.3 | 72| 81| 0| 15|.........| 0| 0.00| 0.0| 29.85| 29.70|29.763| 1.6| 0.8|315| 15|WSW| 5|249| 121 |
|07| 86.5 | 72.8 | 79.7 | 78.5 | 70| 76| 0| 15|.........| 0| 0.00| 0.0| 30.05| 29.85|29.959| 0.8| 0.5|107| 10| E| 5| 93| 202 |
|08| 86.5 | 69.4 | 77.9 | 76.4 | 67| 75| 0| 13|.........| 0| 0.00| 0.0| 30.06| 29.91|29.987| 0.8| 0.2|226| 11| SW| 4|228| 238 |
|09| 84.9 | 63.7 | 74.3 | 74.7 | 64| 72| 0| 10|..3......| 0| 0.11| 0.0| 30.04| 29.88|29.966| 0.9| 0.6|239| 21| NW| 11|249| 214 |
|10| 81.8 | 60.1 | 70.9 | 70.7 | 61| 75| 0| 6|.........| 0| 0.05| 0.0| 29.99| 29.85|29.899| 0.7| 0.5|277| 10| W| 5|266| 242 |
| | | | | | | | | | | | | | | | | | | | | | | | |
|11| 82.2 | 59.9 | 71.1 | 70.8 | 61| 74| 0| 6|.........| 0| 0.00| 0.0| 30.02| 29.90|29.960| 1.1| 1.1| 56| 12| E| 5| 45| 246 |
|12| 86.7 | 61.8 | 74.3 | 74.9 | 61| 65| 0| 10|.........| 0| 0.00| 0.0| 30.06| 29.97|30.013| 0.6| 0.6| 60| 10| N| 4| 90| 302 |
|13| 90.7 | 63.5 | 77.1 | 75.7 | 63| 67| 0| 13|..3......| 0| T | 0.0| 30.09| 29.98|30.034| 0.4| 0.3| 54| 12|NNE| 7| 48| 283 |
|14| 92.3*| 64.3 | 78.3 | 77.9 | 64| 66| 0| 13|.........| 0| 0.00| 0.0| 30.06| 29.95|30.007| 0.4| 0.4|240| 10|WSW| 3|236| 303 |
|15| 90.3 | 62.9 | 76.6 | 78.3 | 62| 60| 0| 12|..3......| 0| 0.00| 0.0| 30.05| 29.96|30.001| 0.7| 0.6|235| 13| NW| 5| 60| 302 |
| | | | | | | | | | | | | | | | | | | | | | | | |
|16| 80.1 | 62.0 | 71.1 | 70.8 | 58| 67| 0| 6|.........| 0| 0.13| 0.0| 30.16| 30.05|30.099| 1.9| 1.9| 51| 16|NNW| 6| 62| 307 |
|17| 78.6 | 56.3*| 67.4*| 68.2 | 53| 61| 0| 3|.........| 0| 0.00| 0.0| 30.20| 30.10|30.149| 1.4| 1.4| 77| 13|ESE| 6| 87| 282 |
|18| 83.0 | 60.4 | 71.7 | 71.2 | 52| 54| 0| 7|.........| 0| 0.00| 0.0| 30.19| 30.10|30.143| 0.8| 0.8| 92| 19| W| 5| 97| 296 |
|19| 83.8 | 63.9 | 73.9 | 72.6 | 55| 56| 0| 9|.........| 0| 0.00| 0.0| 30.19| 30.06|30.122| 0.5| 0.5| 99| 10|ENE| 5| 95| 258 |
|20| 84.1 | 65.3 | 74.7 | 73.1 | 58| 62| 0| 10|..3......| 0| 0.00| 0.0| 30.10| 29.95|30.036| 0.6| 0.4|229| 13|WNW| 4|222| 220 |
| | | | | | | | | | | | | | | | | | | | | | | | |
|21| 78.3 | 66.6 | 72.4 | 71.8 | 64| 76| 0| 8|.........| 0| 0.10| 0.0| 29.98| 29.85|29.930| 0.7| 0.6|242| 11| S| 4|231| 125 |
|22| 83.6 | 62.7 | 73.2 | 74.4 | 67| 78| 0| 9|.........| 0| 0.10| 0.0| 29.92| 29.78|29.859| 1.4| 0.4|265| 17|WSW| 8|243| 206 |
|23| 89.0 | 70.6 | 79.8 | 78.2 | 69| 75| 0| 15|.........| 0| 0.00| 0.0| 29.98| 29.89|29.924| 1.2| 0.8|310| 10|ESE| 4| 88| 223 |
|24| 89.3 | 64.7 | 77.0 | 77.1 | 69| 78| 0| 12|..3......| 0| 1.73| 0.0| 30.17| 29.95|30.017| 1.8| 0.7| 41| 18| NE| 10| 59| 170 |
|25| 73.2 | 64.7 | 68.9 | 69.1 | 67| 92| 0| 4|.........| 0| 0.72| 0.0| 30.15| 30.00|30.051| 0.9| 0.8| 93| 11|ENE| 5| 76| 74 |
| | | | | | | | | | | | | | | | | | | | | | | | |
|26| 81.6 | 67.9 | 74.8 | 73.1 | 68| 84| 0| 10|.........| 0| 0.05| 0.0| 30.04| 29.93|29.991| 0.4| 0.2|231| 6| E| 3| 93| 178 |
|27| 82.2 | 68.6 | 75.4 | 73.4 | 67| 82| 0| 11|.........| 0| 0.02| 0.0| 29.99| 29.90|29.956| 0.8| 0.7|239| 12|SSW| 4|232| 173 |
|28| 82.0 | 66.9 | 74.4 | 71.7 | 67| 87| 0| 10|.........| 0| 0.89| 0.0| 29.99| 29.88|29.939| 0.9| 0.7| 97| 12| E| 6| 97| 162 |
|29| 88.2 | 68.9 | 78.6 | 76.7 | 69| 79| 0| 14|.........| 0| 0.00| 0.0| 29.97| 29.83|29.898| 0.5| 0.2|210| 10|WSW| 3|226| 226 |
|30| 89.7 | 71.6 | 80.6*| 79.9 | 70| 74| 0| 16|.........| 0| 0.00| 0.0| 29.92| 29.83|29.876| 1.3| 1.1|236| 12| S| 5|232| 271 |
| | | | | | | | | | | | | | | | | | | | | | | | |
|31| 88.0 | 64.3 | 76.2 | 77.4 | 69| 76| 0| 11|.........| 0| 0.89| 0.0| 30.05| 29.87|29.927| 1.2| 0.7|251| 30| NW| 11|238| 258 |
+--+------+------+------+------+---+----+----+----+---------+--+-----+-----+------+------+------+----+----+---+---+---+---+---+------+
| Sum | Sum |------|------|---|----| Ttl| Ttl| |Total|Total| For the month: | ---- |
+------+------+------+------+---+----+----+----+ Number of +-----+-----+------+------+------+----+----+---+---+---+---+---+------+
|2612.0|2024.7|------|------|---|----| 0| 314| Days | 6.49| 0.0| 30.20| 29.62|29.947| 0.9| 0.0|263| 31|WNW| 11|238| ---- |
+------+------+------+------+---+----+----+----+------------+-----+-----+------+------+------+----+----+---+---+---+---+---+------+
| Avg | Avg | Avg | Mean |Avg| Avg|----|----|Precip | Season Ttl| Date | Date |------|----|----|---| Date | Date | Avg |
+------+------+------+------+---+----+----+----+ +-----+-----+------+------+------+----+----+---+-------+-------+------+
| 84.3| 65.3| 74.8 | 74.2 | 65|75.1|----|----|>.01 Inch 15|19.41| 0.1| 17 | 5 |------|----|----|---| 2 | 31 | 205|
+------+------+------+------+---+----+----+----+------------+-----+-----+------+------+------+----+----+---+-------+-------+------+
| | Season |Snow, Ice | | |
| Number of Days | to Date |>1.0 Inch 0| Greatest in 24 Hours and Dates | Greatest Depth on Ground |
+------------------+-----------------+----+----+------------+--------------+-----------------+ of Snow, Ice Pellets or Ice |
| Max Temperature | Min Temperature |1685| 534|Thunder 8|Precipitation | Snow, Ice Plts | and Date |
+--------+---------+--------+--------+----+----+------------+-------+------+---------+-------+-------------+----------------------+
| >90°F | <32°F | <32°F | <0°F |----|----|Heavy Fog 1| 2.43| 24-25| 0.0 | - | 0 | - |
+--------+---------+--------+--------+----+----+------------+-------+------+---------+----+--+-------------+----------------------+
| 4 | 0 | 0 | 0 |----|----| Clear 21 Partly Cloudy 5 Cloudy 5 |
+--------+---------+--------+--------+----+----+------------------------------------------+
NOTES:
Data in column 4A are (MAX+MIN) / 2, whereas data in columns 4B, 5, 6, 15, 16, 23 are means via continuous observations
Units are: Temperature=°F, Wind=mph, Pressure=Inches Hg, Precipitation=inches.
for 24 hours.
Column 5: Dew point is calculated from temperature and humidity and is continuously averaged for 24 hours.
Columns 7, 8: Degree Days heating base is 65°F, cooling base is 65°F.
Data in columns 9, 10, 12 are entered manually by the station observer.
Columns 17-18: Resultant wind is calculated by the vector sum of continuous wind observations.
Column 23: Sunshine index is measured in Watts/m^2 and is continuously averaged for 24 hours.
Data in columns 4B, 5, 6, 15, 16, 23 are updated continuously, there by achieving a "true" mean.
OBSERVATIONS AT 3-HOUR INTERVALS
May 2007: Round Rock
+--+----+-----+-----+---+---+---+----------+----+-----+-----+---+---+---+----------+----+-----+-----+---+---+---+----------+
| | | | | | | | | | | | | | | | | | | | | | |
| | | | | T | | | Wind | | | | T | | | Wind | | | | T | | | Wind |
| | | | R | e | | % +--+---+---+ | | R | e | | % +--+---+---+ | | R | e | | % +--+---+---+
| | | | a | m | D | | D| | | | | a | m | D | | D| | | | | a | m | D | | D| | |
| | S | P | i | p | e | H | i| | | S | P | i | p | e | H | i| | | S | P | i | p | e | H | i| | |
| | u | r | n | e | w | u | r| | | u | r | n | e | w | u | r| | | u | r | n | e | w | u | r| | |
| | n | e | f | r | | m | e| | | n | e | f | r | | m | e| | | n | e | f | r | | m | e| | |
| | s | s | a | a | P | i | c| S | | s | s | a | a | P | i | c| S | | s | s | a | a | P | i | c| S | |
| H| h | s | l | t | o | d | t| p | G | h | s | l | t | o | d | t| p | G | h | s | l | t | o | d | t| p | G |
| o| i | u | l | u | i | i | i| e | u | i | u | l | u | i | i | i| e | u | i | u | l | u | i | i | i| e | u |
| u| n | r | | r | n | t | o| e | s | n | r | | r | n | t | o| e | s | n | r | | r | n | t | o| e | s |
| r| e | e | Rate| e | t | y | n| d | t | e | e | Rate| e | t | y | n| d | t | e | e | Rate| e | t | y | n| d | t |
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| MAY 1 | MAY 2 | MAY 3 |
| | | |
|01| 0|29.89| 0.00| 68| 66| 94|28| 2| 7| 0|29.81| 0.00| 70| 68| 94|20| 1| 2| 0|29.82| 0.12| 63| 62| 96|23| 0| 2|
|04| 0|29.82| 0.00| 69| 67| 95|24| 1| 6| 0|29.79| 0.00| 69| 67| 94|00| 0| 0| 0|29.77| 0.00| 62| 60| 96|09| 0| 1|
|07| 0|29.86| 0.00| 70| 68| 93|19| 0| 5| 7|29.80| 0.00| 66| 64| 94|00| 0| 0| 7|29.78| 0.00| 60| 58| 96|09| 0| 0|
|10| 72|29.88| 0.00| 65| 63| 94|09| 2| 6| 149|29.82| 0.00| 74| 69| 86|22| 0| 1| 232|29.83| 0.00| 70| 66| 89|22| 0| 4|
|13| 116|29.84| 0.00| 74| 72| 93|26| 1| 6| 364|29.80| 0.00| 80| 69| 68|24| 1| 3| 202|29.81| 0.00| 74| 69| 84|23| 0| 2|
|16| 258|29.78| 0.00| 79| 73| 81|20| 0| 4| 146|29.75| 0.00| 80| 69| 71|22| 0| 1| 826|29.75| 0.00| 82| 71| 71|21| 1| 4|
|19| 7|29.78| 0.00| 70| 67| 91|08| 4| 8| 39|29.72| 0.00| 78| 71| 78|15| 0| 1| 172|29.72| 0.00| 80| 70| 72|23| 0| 3|
|22| 0|29.81| 0.00| 71| 70| 95|30| 2| 9| 0|29.86| 0.00| 61| 60| 95|18| 0| 2| 0|29.76| 0.00| 74| 71| 90|09| 1| 3|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| MAY 4 | MAY 5 | MAY 6 |
| | | |
|01| 0|29.77| 0.00| 71| 69| 94|20| 0| 3| 0|29.74| 0.00| 74| 71| 90|22| 2| 7| 0|29.71| 0.00| 75| 72| 90|06| 1| 4|
|04| 0|29.75| 0.00| 69| 68| 95|23| 1| 5| 0|29.70| 0.00| 73| 70| 91|34| 1| 6| 0|29.71| 0.00| 75| 72| 89|02| 2| 6|
|07| 5|29.78| 0.00| 70| 68| 96|22| 1| 4| 7|29.69| 0.00| 73| 71| 94|28| 1| 4| 7|29.72| 0.00| 74| 70| 89|31| 1| 7|
|10| 98|29.82| 0.00| 73| 72| 97|22| 0| 4| 72|29.70| 0.00| 75| 72| 91|24| 3| 7| 274|29.78| 0.00| 77| 71| 80|26| 1| 7|
|13| 320|29.78| 0.00| 79| 73| 82|26| 1| 10| 121|29.68| 0.00| 79| 73| 83|26| 3| 11| 680|29.79| 0.00| 84| 73| 69|10| 1| 6|
|16| 216|29.75| 0.00| 82| 73| 74|25| 1| 5| 88|29.64| 0.00| 82| 72| 72|26| 2| 7| 142|29.76| 0.00| 83| 72| 70|08| 2| 7|
|19| 160|29.70| 0.00| 81| 73| 76|05| 0| 3| 26|29.63| 0.00| 80| 72| 76|08| 1| 4| 40|29.76| 0.00| 81| 73| 77|06| 1| 7|
|22| 0|29.75| 0.00| 76| 72| 88|34| 0| 6| 0|29.69| 0.00| 77| 72| 85|11| 0| 5| 0|29.83| 0.00| 78| 73| 85|00| 0| 3|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| MAY 7 | MAY 8 | MAY 9 |
| | | |
|01| 0|29.88| 0.00| 76| 72| 87|06| 0| 4| 0|30.05| 0.00| 74| 68| 81|24| 1| 6| 0|30.01| 0.00| 71| 68| 88|23| 1| 3|
|04| 0|29.88| 0.00| 74| 71| 89|12| 1| 4| 0|29.97| 0.00| 70| 67| 90|24| 0| 3| 0|29.99| 0.00| 70| 67| 90|23| 0| 0|
|07| 21|29.92| 0.00| 73| 70| 91|11| 0| 2| 18|30.00| 0.00| 69| 68| 94|24| 0| 3| 9|29.94| 0.00| 69| 67| 95|18| 0| 1|
|10| 278|29.98| 0.00| 79| 70| 74|15| 1| 4| 336|30.04| 0.00| 75| 69| 80|25| 1| 5| 366|30.02| 0.00| 76| 65| 70|23| 2| 5|
|13| 629|30.05| 0.00| 84| 68| 60|22| 0| 3| 626|30.01| 0.00| 83| 69| 62|05| 1| 5| 643|29.99| 0.00| 80| 62| 54|11| 1| 4|
|16| 555|29.96| 0.00| 85| 67| 55|10| 1| 6| 283|29.95| 0.00| 85| 67| 54|05| 2| 5| 455|29.90| 0.00| 82| 61| 49|25| 1| 5|
|19| 90|29.96| 0.00| 82| 68| 62|09| 1| 5| 211|29.91| 0.00| 82| 65| 57|06| 1| 3| 113|29.88| 0.00| 79| 61| 54|21| 0| 5|
|22| 0|29.99| 0.00| 76| 70| 83|09| 0| 0| 0|29.98| 0.00| 75| 67| 76|11| 0| 1| 0|29.94| 0.00| 72| 62| 70|21| 0| 3|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| MAY 10 | MAY 11 | MAY 12 |
| | | |
|01| 0|29.95| 0.00| 63| 62| 94|21| 0| 1| 0|29.91| 0.00| 66| 62| 88|02| 0| 2| 0|30.01| 0.00| 67| 61| 82|07| 0| 0|
|04| 0|29.88| 0.00| 62| 60| 94|34| 0| 3| 0|29.90| 0.00| 62| 60| 94|03| 1| 3| 0|29.99| 0.00| 63| 60| 88|07| 0| 0|
|07| 16|29.91| 0.00| 60| 59| 96|25| 0| 2| 19|29.94| 0.00| 60| 58| 95|03| 0| 2| 19|30.01| 0.00| 62| 60| 92|07| 0| 1|
|10| 566|29.92| 0.00| 74| 65| 73|22| 1| 5| 536|30.00| 0.00| 72| 63| 74|04| 1| 5| 533|30.05| 0.00| 79| 64| 61|02| 1| 5|
|13| 434|29.92| 0.00| 78| 63| 60|23| 2| 6| 967|29.99| 0.00| 80| 62| 54|08| 3| 6| 965|30.05| 0.00| 84| 63| 49|06| 1| 7|
|16|1063|29.89| 0.00| 80| 62| 54|31| 2| 6| 297|29.97| 0.00| 77| 63| 62|06| 3| 9| 874|29.99| 0.00| 86| 62| 45|35| 1| 3|
|19| 88|29.85| 0.00| 78| 60| 54|28| 0| 4| 79|29.95| 0.00| 78| 62| 57|07| 2| 5| 221|29.98| 0.00| 83| 59| 44|06| 0| 3|
|22| 0|29.90| 0.00| 69| 61| 77|30| 0| 1| 0|30.00| 0.00| 70| 62| 76|07| 0| 1| 0|30.02| 0.00| 75| 61| 62|06| 0| 0|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| MAY 13 | MAY 14 | MAY 15 |
| | | |
|01| 0|30.02| 0.00| 68| 60| 76|06| 0| 0| 0|30.03| 0.00| 68| 64| 86|05| 0| 0| 0|30.00| 0.00| 71| 61| 72|22| 0| 2|
|04| 0|30.03| 0.00| 66| 62| 86|01| 0| 3| 0|30.00| 0.00| 66| 63| 90|05| 0| 0| 0|30.00| 0.00| 69| 60| 73|23| 0| 3|
|07| 19|30.06| 0.00| 64| 60| 87|00| 0| 1| 21|30.03| 0.00| 65| 63| 95|05| 0| 0| 21|30.01| 0.00| 63| 58| 84|22| 0| 0|
|10| 527|30.09| 0.00| 78| 66| 68|05| 0| 2| 519|30.05| 0.00| 81| 68| 66|29| 0| 3| 547|30.03| 0.00| 80| 64| 58|24| 1| 6|
|13| 991|30.05| 0.00| 88| 65| 47|04| 2| 5| 932|30.03| 0.00| 90| 64| 43|23| 1| 5| 874|30.03| 0.00| 87| 66| 49|23| 1| 9|
|16| 821|29.99| 0.00| 89| 59| 37|11| 1| 5| 712|29.99| 0.00| 91| 64| 41|25| 1| 7| 301|29.99| 0.00| 87| 63| 46|19| 0| 3|
|19| 155|30.00| 0.00| 78| 61| 57|33| 1| 3| 204|29.95| 0.00| 86| 62| 45|24| 0| 4| 188|29.97| 0.00| 86| 61| 43|06| 0| 3|
|22| 0|30.02| 0.00| 71| 66| 84|05| 0| 1| 0|29.98| 0.00| 76| 64| 65|22| 0| 0| 0|30.00| 0.00| 78| 62| 59|22| 0| 0|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| MAY 16 | MAY 17 | MAY 18 |
| | | |
|01| 0|30.08| 0.11| 70| 68| 92|04| 3| 9| 0|30.12| 0.00| 61| 53| 76|03| 0| 1| 0|30.16| 0.00| 64| 55| 72|08| 0| 0|
|04| 0|30.10| 0.00| 66| 63| 89|05| 0| 2| 0|30.13| 0.00| 58| 53| 82|03| 0| 2| 0|30.13| 0.00| 63| 55| 76|08| 0| 0|
|07| 21|30.10| 0.00| 63| 60| 90|03| 1| 5| 19|30.15| 0.00| 56| 52| 86|02| 0| 4| 25|30.15| 0.00| 60| 54| 79|08| 0| 0|
|10| 555|30.16| 0.00| 68| 58| 70|07| 3| 12| 617|30.19| 0.00| 71| 53| 54|07| 2| 7| 533|30.19| 0.00| 73| 54| 51|10| 2| 6|
|13| 932|30.14| 0.00| 77| 58| 52|05| 3| 10| 842|30.18| 0.00| 76| 53| 44|09| 4| 11| 466|30.17| 0.00| 79| 52| 38|07| 2| 5|
|16| 812|30.08| 0.00| 80| 53| 39|04| 4| 10| 851|30.14| 0.00| 78| 52| 40|09| 3| 8| 466|30.12| 0.00| 80| 47| 32|08| 1| 7|
|19| 244|30.06| 0.00| 77| 52| 42|04| 2| 6| 107|30.14| 0.00| 75| 51| 43|04| 2| 5| 216|30.11| 0.00| 78| 48| 35|09| 1| 4|
|22| 0|30.09| 0.00| 65| 54| 67|05| 0| 2| 0|30.15| 0.00| 68| 54| 59|08| 0| 0| 0|30.13| 0.00| 69| 52| 55|07| 0| 2|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
MAXIMUM SHORT DURATION PRECIPITATION
+------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
| Time Period (minutes) | 5 | 10 | 15 | 20 | 30 | 45 | 60 | 80 | 100 | 120 | 150 | 180 |
+------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
| Precipitation | 0.36 | 0.58 | 0.75 | 0.92 | 1.22 | 1.37 | 1.50 | 1.54 | 1.57 | 1.61 | 1.65 | 1.69 |
+------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
| Ended: Date | 31 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
+------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
| Ended: Time | 0655 | 2056 | 2100 | 2105 | 2113 | 2128 | 2140 | 2156 | 2217 | 2237 | 2306 | 2341 |
+------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
The precipitation amounts for the indicated time intervals may occur at any time during the month. The time indicated
is the ending time of the interval. Date and time are not entered for trace amounts.
OBSERVATIONS AT 3-HOUR INTERVALS
May 2007: Round Rock
+--+----+-----+-----+---+---+---+----------+----+-----+-----+---+---+---+----------+----+-----+-----+---+---+---+----------+
| | | | | | | | | | | | | | | | | | | | | | |
| | | | | T | | | Wind | | | | T | | | Wind | | | | T | | | Wind |
| | | | R | e | | % +--+---+---+ | | R | e | | % +--+---+---+ | | R | e | | % +--+---+---+
| | | | a | m | D | | D| | | | | a | m | D | | D| | | | | a | m | D | | D| | |
| | S | P | i | p | e | H | i| | | S | P | i | p | e | H | i| | | S | P | i | p | e | H | i| | |
| | u | r | n | e | w | u | r| | | u | r | n | e | w | u | r| | | u | r | n | e | w | u | r| | |
| | n | e | f | r | | m | e| | | n | e | f | r | | m | e| | | n | e | f | r | | m | e| | |
| | s | s | a | a | P | i | c| S | | s | s | a | a | P | i | c| S | | s | s | a | a | P | i | c| S | |
| H| h | s | l | t | o | d | t| p | G | h | s | l | t | o | d | t| p | G | h | s | l | t | o | d | t| p | G |
| o| i | u | l | u | i | i | i| e | u | i | u | l | u | i | i | i| e | u | i | u | l | u | i | i | i| e | u |
| u| n | r | | r | n | t | o| e | s | n | r | | r | n | t | o| e | s | n | r | | r | n | t | o| e | s |
| r| e | e | Rate| e | t | y | n| d | t | e | e | Rate| e | t | y | n| d | t | e | e | Rate| e | t | y | n| d | t |
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| MAY 19 | MAY 20 | MAY 21 |
| | | |
|01| 0|30.14| 0.00| 67| 53| 61|08| 0| 1| 0|30.10| 0.00| 67| 55| 64|10| 0| 1| 0|29.96| 0.00| 70| 61| 75|25| 0| 2|
|04| 0|30.11| 0.00| 66| 56| 71|11| 0| 0| 0|30.07| 0.00| 67| 59| 76|19| 0| 3| 0|29.93| 0.00| 68| 61| 79|24| 0| 3|
|07| 25|30.14| 0.00| 64| 58| 81|11| 0| 0| 14|30.09| 0.00| 65| 59| 81|21| 0| 0| 35|29.97| 0.00| 67| 61| 83|26| 0| 1|
|10| 257|30.18| 0.00| 72| 59| 63|22| 0| 2| 130|30.09| 0.00| 70| 58| 65|11| 0| 2| 408|29.98| 0.00| 75| 67| 74|25| 2| 5|
|13| 898|30.15| 0.00| 81| 55| 41|16| 1| 3| 933|30.06| 0.00| 82| 57| 43|05| 1| 6| 218|29.94| 0.00| 74| 65| 74|25| 2| 7|
|16| 250|30.10| 0.00| 80| 52| 39|09| 2| 5| 870|30.00| 0.00| 82| 60| 46|25| 1| 7| 113|29.92| 0.00| 72| 67| 83|24| 0| 2|
|19| 214|30.06| 0.00| 78| 50| 37|10| 2| 5| 155|29.95| 0.00| 77| 61| 57|24| 1| 6| 156|29.86| 0.00| 77| 65| 67|27| 0| 2|
|22| 0|30.09| 0.00| 72| 54| 54|11| 0| 3| 0|29.97| 0.00| 73| 61| 65|23| 1| 4| 0|29.88| 0.00| 73| 65| 76|33| 1| 5|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| MAY 22 | MAY 23 | MAY 24 |
| | | |
|01| 0|29.87| 0.00| 71| 66| 85|24| 1| 4| 0|29.91| 0.00| 73| 69| 87|27| 1| 6| 0|29.97| 0.00| 74| 70| 86|25| 1| 3|
|04| 0|29.87| 0.00| 65| 61| 87|09| 1| 4| 0|29.89| 0.00| 72| 69| 92|22| 1| 3| 0|29.96| 0.00| 74| 70| 89|23| 1| 4|
|07| 11|29.85| 0.00| 63| 61| 95|22| 0| 2| 11|29.92| 0.00| 71| 69| 95|06| 1| 3| 7|30.01| 0.00| 73| 71| 91|12| 0| 2|
|10| 545|29.87| 0.00| 75| 67| 77|27| 1| 3| 624|29.96| 0.00| 79| 70| 75|06| 1| 6| 636|30.03| 0.00| 80| 73| 79|29| 2| 9|
|13| 492|29.87| 0.00| 82| 68| 62|26| 4| 10| 353|29.95| 0.00| 84| 69| 62|24| 1| 6| 974|30.03| 0.00| 87| 70| 58|31| 1| 10|
|16| 255|29.85| 0.00| 83| 69| 63|00| 2| 6| 782|29.90| 0.00| 88| 70| 55|30| 4| 9| 171|29.98| 0.00| 85| 68| 57|08| 4| 11|
|19| 127|29.84| 0.00| 79| 68| 69|07| 2| 6| 195|29.91| 0.00| 84| 68| 60|24| 3| 7| 18|30.00| 0.00| 81| 68| 65|10| 0| 5|
|22| 0|29.88| 0.00| 75| 69| 81|04| 1| 4| 0|29.96| 0.00| 78| 69| 75|28| 2| 9| 0|30.15| 0.09| 65| 64| 95|06| 5| 13|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| MAY 25 | MAY 26 | MAY 27 |
| | | |
|01| 0|30.14| 0.00| 65| 64| 96|07| 2| 4| 0|30.03| 0.00| 69| 67| 92|20| 0| 2| 0|29.97| 0.00| 72| 69| 92|23| 1| 4|
|04| 0|30.04| 0.00| 66| 65| 97|08| 0| 3| 0|29.99| 0.00| 69| 67| 95|20| 0| 2| 0|29.95| 0.00| 71| 69| 94|23| 0| 4|
|07| 5|30.07| 0.00| 67| 66| 97|08| 0| 2| 32|30.00| 0.00| 68| 67| 96|23| 0| 1| 5|29.95| 0.00| 71| 69| 95|22| 0| 3|
|10| 135|30.10| 0.00| 70| 69| 98|09| 1| 5| 195|30.04| 0.00| 72| 69| 91|27| 0| 2| 420|29.98| 0.00| 75| 66| 74|23| 1| 5|
|13| 202|30.05| 0.00| 71| 66| 83|09| 1| 6| 846|30.00| 0.00| 78| 69| 73|24| 0| 5| 958|29.97| 0.00| 81| 66| 60|23| 2| 7|
|16| 283|30.01| 0.00| 72| 68| 85|09| 0| 2| 204|29.97| 0.00| 77| 68| 74|08| 1| 3| 313|29.92| 0.00| 80| 66| 62|28| 1| 6|
|19| 40|30.00| 0.00| 71| 66| 85|07| 0| 1| 167|29.94| 0.00| 77| 67| 73|26| 0| 6| 63|29.93| 0.00| 73| 67| 82|23| 1| 4|
|22| 0|30.03| 0.00| 70| 65| 86|10| 0| 1| 0|29.98| 0.00| 73| 69| 88|08| 0| 5| 0|29.96| 0.00| 70| 67| 89|25| 0| 1|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| MAY 28 | MAY 29 | MAY 30 |
| | | |
|01| 0|29.97| 0.00| 68| 67| 95|06| 0| 2| 0|29.94| 0.00| 71| 68| 93|06| 0| 3| 0|29.88| 0.00| 74| 71| 89|22| 1| 4|
|04| 0|29.94| 0.00| 68| 67| 94|20| 0| 0| 0|29.90| 0.00| 70| 67| 93|15| 0| 2| 0|29.88| 0.00| 73| 70| 91|22| 1| 5|
|07| 0|29.96| 0.14| 67| 66| 96|10| 0| 2| 11|29.93| 0.00| 69| 67| 94|22| 0| 2| 18|29.87| 0.00| 72| 70| 93|22| 1| 5|
|10| 88|29.98| 0.08| 68| 67| 97|21| 0| 2| 188|29.97| 0.00| 73| 69| 87|17| 0| 2| 515|29.88| 0.00| 81| 70| 70|25| 2| 10|
|13|1220|29.94| 0.00| 77| 69| 76|20| 0| 4| 949|29.92| 0.00| 83| 70| 64|22| 0| 4|1048|29.89| 0.00| 87| 71| 60|24| 2| 8|
|16| 283|29.90| 0.00| 79| 67| 67|10| 1| 6| 257|29.85| 0.00| 87| 69| 56|26| 2| 5| 907|29.87| 0.00| 88| 70| 54|07| 1| 5|
|19| 105|29.90| 0.00| 74| 67| 80|08| 4| 11| 227|29.83| 0.00| 84| 69| 61|03| 1| 5| 244|29.84| 0.00| 86| 70| 59|26| 1| 5|
|22| 0|29.95| 0.00| 72| 68| 89|12| 0| 2| 0|29.85| 0.00| 77| 70| 79|19| 0| 3| 0|29.90| 0.00| 79| 71| 76|28| 1| 5|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| MAY 31 | | |
| | | |
|01| 0|29.93| 0.00| 75| 71| 88|24| 0| 1| | |
|04| 0|29.92| 0.00| 74| 71| 90|22| 1| 3| | |
|07| 0|30.03| 0.03| 65| 62| 90|22| 8| 14| | |
|10| 58|29.96| 0.00| 69| 64| 85|00| 0| 0| | |
|13| 930|29.96| 0.00| 83| 74| 74|24| 0| 2| | |
|16| 810|29.90| 0.00| 87| 69| 54|24| 2| 7| | |
|19| 265|29.88| 0.00| 85| 69| 58|27| 1| 4| | |
|22| 0|29.90| 0.00| 78| 68| 71|15| 0| 3| | |
+--+----+-----+-----+---+---+---+--+---+---+---------------------------------------+---------------------------------------+
WEATHER NOTES SUMMARY BY HOURS
+--+-----------------------------+---------+
Wind Direction: Directions are those from which the wind is blowing, | | Averages | |
indicated in tens of degrees from true North: i.e., 09 for East, 18 for | +----+------+---+---+---+-----+Resultant|
South, 27 for West, and 00 or 36 for North. | | | | | | | | |
Wind Speed: The observed one-minute average speed in miles-per-hour. | | | | T | | | | Wind |
Wind Gust: The maximum instantaneous wind speed for the ten minute-period | | | | e | | % | W +----+----+
preceding the observation. | | | | m | D | | i | D | |
Rainfall Rate: The instantaneous rainfall rate at time of observation, | | S | P | p | e | H | n | i | |
calculated by timing consecutive 0.01" pulses from the electronic rain | | u | r | e | w | u | d | r | |
gauge and interpolating this rate for one hour. | | n | e | r | | m | | e | |
| | s | s | a | P | i | S | c | S |
| H| h | s | t | o | d | p | t | p |
| o| i | u | u | i | i | e | i | e |
| u| n | r | r | n | t | e | o | e |
| r| e | e | e | t | y | d | n | d |
+--+----+------+---+---+---+-----+----+----+
|01| 0|29.958| 70| 65| 86| 0.6| 25 | 0.2|
|04| 0|29.935| 68| 65| 89| 0.5| 23 | 0.1|
|07| 13|29.959| 66| 64| 91| 0.9| 23 | 0.8|
|10| 337|29.985| 74| 66| 77| 0.9| 24 | 0.1|
|13| 697|29.968| 81| 66| 63| 1.3| 21 | 0.1|
|16| 493|29.921| 82| 65| 57| 1.5| 02 | 0.2|
|19| 147|29.902| 80| 65| 62| 1.0| 07 | 0.4|
|22| 0|29.945| 73| 65| 77| 0.5| 03 | 0.2|
+--+----+------+---+---+---+-----+----+----+
HOURLY PRECIPITATION (Water Equivalent)
May 2007: Round Rock
---+-----------------------------------------------------------+-----------------------------------------------------------+---
| | |
D| A.M. Hour Ending at | P.M. Hour Ending at |D
a| | |a
t+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+t
e| 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 |e
---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+---
01| | | | | | | |0.08|0.10|0.01| | | | | | | | | |0.28|0.14| | | |01
02| | | | | | | | | | | |0.01| | | | | | | | |0.72|0.24|0.02|0.02|02
03|0.05|0.02| | | | | | | | | | | | | | | | | | | | | | |03
04| | | | | | |0.01| | | | | | | | | | | | | | | | | |04
05| | | | | | | | | | | | | | | | | | | | | | | | |05
| | | | | | | | | | | | | | | | | | | | | | | | |
06| | | | | | | | | | | | | | | | | | | | | | | | |06
07| | | | | | | | | | | | | | | | | | | | | | | | |07
08| | | | | | | | | | | | | | | | | | | | | | | | |08
09| | | | | | | | | | | | | | | | | | | | | | |0.04|0.07|09
10|0.05| | | | | | | | | | | | | | | | | | | | | | | |10
| | | | | | | | | | | | | | | | | | | | | | | | |
11| | | | | | | | | | | | | | | | | | | | | | | | |11
12| | | | | | | | | | | | | | | | | | | | | | | | |12
13| | | | | | | | | | | | | | | | | | | | | | | | |13
14| | | | | | | | | | | | | | | | | | | | | | | | |14
15| | | | | | | | | | | | | | | | | | | | | | | | |15
| | | | | | | | | | | | | | | | | | | | | | | | |
16|0.06|0.05|0.02| | | | | | | | | | | | | | | | | | | | | |16
17| | | | | | | | | | | | | | | | | | | | | | | | |17
18| | | | | | | | | | | | | | | | | | | | | | | | |18
19| | | | | | | | | | | | | | | | | | | | | | | | |19
20| | | | | | | | | | | | | | | | | | | | | | | | |20
| | | | | | | | | | | | | | | | | | | | | | | | |
21| | | | | | | | | | | |0.08| |0.02| | | | | | | | | | |21
22| | | |0.08|0.02| | | | | | | | | | | | | | | | | | | |22
23| | | | | | | | | | | | | | | | | | | | | | | | |23
24| | | | | | | |0.01|0.01| | | | | | | | | | | |0.78|0.76|0.10|0.07|24
25|0.02|0.01|0.01| | | | | | | | |0.40|0.01| |0.27| | | | | | | | | |25
| | | | | | | | | | | | | | | | | | | | | | | | |
26|0.01| | | |0.04| | | | | | | | | | | | | | | | | | | |26
27| | | | | | | |0.01| | | | | | | | | |0.01| | | | | | |27
28| | | | |0.06|0.21|0.11|0.27|0.10|0.13|0.01| | | | | | | | | | | | | |28
29| | | | | | | | | | | | | | | | | | | | | | | | |29
30| | | | | | | | | | | | | | | | | | | | | | | | |30
31| | | | | | |0.62|0.22|0.04|0.01| | | | | | | | | | | | | | |31
---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+---
Sum|0.19|0.08|0.03|0.08|0.12|0.21|0.74|0.59|0.25|0.15|0.01|0.49|0.01|0.02|0.27|0.00|0.00|0.01|0.00|0.28|1.64|1.00|0.16|0.16|Sum
---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+---
During a frozen precipitation event, hourly precipitation totals may not be recorded. In this case, daily amounts are
typically entered in the last column (hour ending at 12 A.M.)