LOCAL CLIMATOLOGICAL DATA
Monthly Summary
September 2008
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| 94.9 | 72.5 | 83.7 | 83.3 | 67| 61| 0| 19|.........| 0| 0.00| 0.0| 29.84| 29.67|29.759| 1.2| 1.2| 55| 12| NE| 6| 58| 242 |
|02| 99.0*| 74.2 | 86.6*| 86.2 | 66| 54| 0| 22|.........| 0| 0.00| 0.0| 29.74| 29.64|29.690| 2.8| 2.7|330| 22| NW| 12|322| 260 |
|03| 91.0 | 75.1 | 83.1 | 82.1 | 65| 57| 0| 18|.........| 0| 0.00| 0.0| 29.80| 29.71|29.749| 4.1| 4.1|328| 25| NW| 12|321| 251 |
|04| 93.2 | 66.3 | 79.8 | 79.1 | 61| 57| 0| 15|.........| 0| 0.00| 0.0| 29.87| 29.75|29.809| 1.7| 1.4| 8| 14|WNW| 7|325| 269 |
|05| 93.6 | 67.3 | 80.4 | 80.0 | 63| 58| 0| 16|.........| 0| 0.00| 0.0| 29.92| 29.82|29.870| 0.6| 0.6| 86| 13| W| 5| 65| 264 |
| | | | | | | | | | | | | | | | | | | | | | | | |
|06| 96.3 | 63.7 | 80.0 | 80.0 | 61| 57| 0| 15|.........| 0| 0.00| 0.0| 29.98| 29.89|29.930| 0.4| 0.3|112| 9| E| 3|107| 261 |
|07| 94.0 | 66.0 | 80.0 | 80.1 | 61| 55| 0| 15|.........| 0| 0.00| 0.0| 30.05| 29.90|29.973| 0.7| 0.7| 93| 13| E| 5| 94| 229 |
|08| 97.8 | 71.3 | 84.6 | 82.5 | 68| 65| 0| 20|.........| 0| T | 0.0| 29.99| 29.84|29.925| 0.7| 0.3|186| 13|ESE| 6| 90| 215 |
|09| 97.3 | 73.3 | 85.3 | 83.5 | 68| 63| 0| 20|.........| 0| 0.04| 0.0| 29.97| 29.83|29.906| 0.7| 0.6| 98| 11| E| 6| 91| 231 |
|10| 95.1 | 74.2 | 84.6 | 83.4 | 69| 65| 0| 20|..3......| 0| 0.34| 0.0| 29.93| 29.81|29.876| 0.5| 0.3| 96| 7|ENE| 3| 89| 197 |
| | | | | | | | | | | | | | | | | | | | | | | | |
|11| 97.3 | 74.2 | 85.8 | 84.5 | 69| 63| 0| 21|.........| 0| 0.00| 0.0| 29.90| 29.74|29.835| 0.8| 0.7| 92| 11| E| 4| 98| 167 |
|12| 94.3 | 73.2 | 83.8 | 83.4 | 70| 65| 0| 19|.........| 0| 0.00| 0.0| 29.82| 29.57|29.695| 1.9| 1.9| 70| 16|ENE| 8| 94| 199 |
|13| 93.6 | 77.4 | 85.5 | 83.4 | 71| 67| 0| 21|.........| 0| 0.00| 0.0| 29.71| 29.40|29.511| 5.7| 4.1|339| 29|NNW| 17|315| 123 |
|14| 91.0 | 72.0 | 81.5 | 81.1 | 64| 59| 0| 17|.........| 0| 0.00| 0.0| 30.07| 29.71|29.885| 2.1| 2.0| 61| 17|ESE| 8| 60| 223 |
|15| 76.3 | 63.5 | 69.9 | 70.3 | 48| 47| 0| 5|.........| 0| 0.00| 0.0| 30.23| 30.07|30.155| 2.6| 2.6| 56| 18|NNE| 9| 53| 135 |
| | | | | | | | | | | | | | | | | | | | | | | | |
|16| 83.4 | 58.3 | 70.8 | 69.1 | 44| 43| 0| 6|.........| 0| 0.00| 0.0| 30.26| 30.12|30.194| 0.9| 0.8| 51| 13|NNW| 5| 51| 215 |
|17| 80.5 | 57.5 | 69.0*| 68.2 | 51| 56| 0| 5|.........| 0| 0.00| 0.0| 30.21| 30.09|30.146| 0.5| 0.5| 83| 10| E| 5| 87| 152 |
|18| 81.6 | 63.7 | 72.7 | 70.3 | 57| 64| 0| 8|.........| 0| 0.02| 0.0| 30.17| 30.06|30.105| 0.5| 0.5| 78| 11| NE| 4| 96| 170 |
|19| 86.7 | 57.6 | 72.1 | 71.4 | 56| 62| 0| 8|.........| 0| 0.00| 0.0| 30.10| 29.98|30.052| 0.6| 0.6| 77| 11|NNW| 5| 94| 238 |
|20| 89.3 | 58.6 | 73.9 | 74.3 | 57| 59| 0| 9|.........| 0| 0.00| 0.0| 30.08| 29.98|30.028| 0.7| 0.7| 88| 12| E| 5| 84| 228 |
| | | | | | | | | | | | | | | | | | | | | | | | |
|21| 92.7 | 63.4 | 78.1 | 76.9 | 60| 60| 0| 13|.........| 0| 0.00| 0.0| 30.11| 30.01|30.055| 0.6| 0.6| 90| 11|ESE| 5| 95| 207 |
|22| 93.8 | 62.6 | 78.2 | 77.9 | 62| 61| 0| 14|.........| 0| 0.00| 0.0| 30.15| 30.02|30.082| 0.7| 0.7| 93| 14|ENE| 5| 77| 213 |
|23| 92.1 | 67.1 | 79.6 | 79.1 | 63| 60| 0| 15|.........| 0| 0.00| 0.0| 30.14| 30.02|30.084| 0.9| 0.9| 90| 11| E| 6| 90| 180 |
|24| 90.5 | 67.1 | 78.8 | 77.5 | 63| 63| 0| 14|.........| 0| 0.00| 0.0| 30.15| 30.06|30.108| 1.2| 1.2| 82| 12|ESE| 7| 91| 165 |
|25| 88.6 | 64.5 | 76.6 | 75.6 | 56| 56| 0| 12|.........| 0| 0.00| 0.0| 30.20| 30.07|30.130| 1.2| 1.1| 83| 13|NNW| 8| 97| 228 |
| | | | | | | | | | | | | | | | | | | | | | | | |
|26| 88.8 | 65.5 | 77.2 | 74.6 | 53| 51| 0| 13|.........| 0| 0.00| 0.0| 30.12| 29.96|30.039| 0.5| 0.5| 82| 10| N| 5| 97| 187 |
|27| 89.9 | 58.0 | 73.9 | 73.8 | 53| 52| 0| 9|.........| 0| 0.00| 0.0| 30.06| 29.97|30.015| 0.5| 0.5| 84| 11| E| 6| 83| 200 |
|28| 88.8 | 57.3 | 73.1 | 73.3 | 50| 49| 0| 8|.........| 0| 0.00| 0.0| 30.10| 30.01|30.053| 0.6| 0.6| 86| 13| E| 6| 94| 221 |
|29| 90.3 | 55.4 | 72.9 | 73.0 | 50| 49| 0| 8|.........| 0| 0.00| 0.0| 30.12| 30.02|30.068| 0.5| 0.5| 54| 11| E| 5| 97| 226 |
|30| 93.8 | 55.3*| 74.6 | 74.2 | 51| 49| 0| 10|.........| 0| 0.00| 0.0| 30.13| 30.01|30.070| 1.0| 0.8| 18| 18| NW| 6|307| 216 |
+--+------+------+------+------+---+----+----+----+---------+--+-----+-----+------+------+------+----+----+---+---+---+---+---+------+
| Sum | Sum |------|------|---|----| Ttl| Ttl| |Total|Total| For the month: | ---- |
+------+------+------+------+---+----+----+----+ Number of +-----+-----+------+------+------+----+----+---+---+---+---+---+------+
|2735.5|1976.1|------|------|---|----| 0| 415| Days | 0.40| 0.0| 30.26| 29.40|29.960| 1.3| 0.7| 39| 29|NNW| 17|315| ---- |
+------+------+------+------+---+----+----+----+------------+-----+-----+------+------+------+----+----+---+---+---+---+---+------+
| Avg | Avg | Avg | Mean |Avg| Avg|----|----|Precip | Season Ttl| Date | Date |------|----|----|---| Date | Date | Avg |
+------+------+------+------+---+----+----+----+ +-----+-----+------+------+------+----+----+---+-------+-------+------+
| 91.2| 65.9| 78.5 | 77.7 | 60|57.6|----|----|>.01 Inch 3|16.61| 0.0| 16 | 13 |------|----|----|---| 13 | 13 | 210|
+------+------+------+------+---+----+----+----+------------+-----+-----+------+------+------+----+----+---+-------+-------+------+
| | 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 | 0|3065|Thunder 1|Precipitation | Snow, Ice Plts | and Date |
+--------+---------+--------+--------+----+----+------------+-------+------+---------+-------+-------------+----------------------+
| >90°F | <32°F | <32°F | <0°F |----|----|Heavy Fog 0| 0.38| 9-10| 0.0 | - | 0 | - |
+--------+---------+--------+--------+----+----+------------+-------+------+---------+----+--+-------------+----------------------+
| 21 | 0 | 0 | 0 |----|----| Clear 26 Partly Cloudy 3 Cloudy 1 |
+--------+---------+--------+--------+----+----+------------------------------------------+
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
September 2008: 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 |
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| SEP 1 | SEP 2 | SEP 3 |
| | | |
|01| 0|29.83| 0.00| 79| 69| 70|08| 0| 1| 0|29.70| 0.00| 79| 66| 64|05| 0| 2| 0|29.72| 0.00| 81| 67| 62|33| 1| 3|
|04| 0|29.81| 0.00| 75| 68| 79|02| 0| 1| 0|29.66| 0.00| 76| 66| 71|31| 1| 4| 0|29.72| 0.00| 78| 67| 69|30| 1| 4|
|07| 0|29.79| 0.00| 73| 68| 86|03| 0| 2| 0|29.69| 0.00| 74| 67| 77|30| 1| 5| 0|29.75| 0.00| 77| 67| 72|31| 3| 12|
|10| 185|29.82| 0.00| 80| 70| 73|03| 1| 5| | | | | | | | | | 462|29.79| 0.00| 80| 65| 60|30| 6| 16|
|13| 858|29.77| 0.00| 92| 67| 44|04| 3| 11| 875|29.71| 0.00| 95| 66| 39|02| 2| 15| 935|29.77| 0.00| 88| 64| 46|32| 8| 22|
|16| 214|29.69| 0.00| 94| 67| 41|05| 3| 10| 840|29.65| 0.00| 98| 63| 32|34| 5| 15| 239|29.72| 0.00| 90| 64| 42|05| 3| 17|
|19| 185|29.67| 0.00| 92| 65| 40|05| 5| 10| 139|29.65| 0.00| 95| 62| 34|35| 3| 15| 134|29.72| 0.00| 86| 63| 46|33| 6| 14|
|22| 0|29.71| 0.00| 82| 64| 54|03| 0| 2| 0|29.72| 0.00| 86| 68| 56|03| 1| 3| 0|29.78| 0.00| 79| 63| 58|35| 0| 7|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| SEP 4 | SEP 5 | SEP 6 |
| | | |
|01| 0|29.79| 0.00| 74| 63| 68|33| 1| 4| 0|29.84| 0.00| 74| 61| 64|05| 0| 0| 0|29.91| 0.00| 74| 61| 64|11| 0| 0|
|04| 0|29.80| 0.00| 70| 61| 73|35| 2| 9| 0|29.85| 0.00| 71| 62| 74|05| 0| 2| 0|29.89| 0.00| 68| 60| 75|11| 0| 0|
|07| 0|29.84| 0.00| 67| 60| 79|32| 1| 5| 0|29.89| 0.00| 68| 63| 83|07| 0| 0| 0|29.94| 0.00| 64| 59| 84|35| 0| 0|
|10| 475|29.86| 0.00| 76| 63| 63|35| 2| 10| 473|29.92| 0.00| 78| 65| 64|10| 1| 4| 476|29.97| 0.00| 77| 70| 80|22| 0| 5|
|13| 861|29.84| 0.00| 87| 62| 43|06| 3| 9| 867|29.90| 0.00| 86| 63| 46|10| 2| 5| 838|29.96| 0.00| 88| 69| 54|10| 0| 5|
|16| 717|29.76| 0.00| 92| 61| 36|31| 5| 10| 712|29.83| 0.00| 92| 61| 35|04| 2| 13| 722|29.90| 0.00| 94| 59| 31|12| 1| 6|
|19| 134|29.76| 0.00| 88| 60| 39|09| 2| 6| 127|29.83| 0.00| 90| 60| 37|09| 0| 5| 128|29.89| 0.00| 92| 53| 27|09| 1| 5|
|22| 0|29.81| 0.00| 78| 61| 55|06| 0| 1| 0|29.90| 0.00| 80| 61| 53|11| 1| 2| 0|29.96| 0.00| 81| 59| 48|10| 1| 4|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| SEP 7 | SEP 8 | SEP 9 |
| | | |
|01| 0|29.98| 0.00| 73| 57| 57|08| 0| 0| 0|29.97| 0.00| 77| 65| 67|20| 0| 1| 0|29.91| 0.00| 77| 69| 78|08| 1| 3|
|04| 0|29.97| 0.00| 69| 59| 70|08| 0| 1| 0|29.95| 0.00| 74| 68| 80|21| 0| 1| 0|29.90| 0.00| 74| 69| 85|09| 0| 1|
|07| 0|30.00| 0.00| 67| 61| 82|20| 0| 0| 0|29.95| 0.00| 72| 67| 84|21| 0| 0| 0|29.94| 0.00| 74| 71| 89|20| 0| 0|
|10| 475|30.04| 0.00| 79| 67| 67|09| 1| 5| 120|29.98| 0.00| 76| 73| 89|26| 0| 1| 480|29.96| 0.00| 80| 74| 81|06| 0| 2|
|13| 853|30.00| 0.00| 89| 65| 46|08| 1| 5| 302|29.94| 0.00| 92| 70| 48|23| 1| 6| 974|29.92| 0.00| 93| 66| 42|04| 0| 5|
|16| 424|29.92| 0.00| 92| 60| 35|09| 2| 8| 132|29.85| 0.00| 95| 65| 37|23| 1| 8| 756|29.85| 0.00| 95| 61| 33|10| 1| 4|
|19| 32|29.92| 0.00| 91| 58| 33|06| 0| 2| 104|29.84| 0.00| 93| 63| 37|22| 1| 6| 42|29.84| 0.00| 90| 66| 45|09| 3| 7|
|22| 0|29.95| 0.00| 81| 60| 49|08| 1| 3| 0|29.91| 0.00| 80| 70| 73|09| 2| 7| 0|29.90| 0.00| 84| 68| 59|09| 3| 5|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| SEP 10 | SEP 11 | SEP 12 |
| | | |
|01| 0|29.91| 0.00| 77| 72| 85|16| 0| 4| 0|29.87| 0.00| 80| 70| 73|26| 0| 1| 0|29.81| 0.00| 81| 69| 67|11| 0| 0|
|04| 0|29.88| 0.00| 76| 73| 90|06| 0| 2| 0|29.85| 0.00| 77| 71| 82|22| 0| 1| 0|29.76| 0.00| 76| 68| 77|07| 0| 1|
|07| 0|29.90| 0.00| 74| 72| 93|09| 0| 1| 0|29.88| 0.00| 75| 70| 87|15| 0| 0| 0|29.76| 0.00| 73| 69| 86|04| 0| 1|
|10| 188|29.93| 0.00| 80| 74| 82|25| 0| 2| 396|29.90| 0.00| 79| 75| 86|20| 0| 1| 297|29.77| 0.00| 82| 70| 67|09| 3| 6|
|13| 406|29.90| 0.00| 90| 69| 49|23| 1| 5| 939|29.86| 0.00| 92| 68| 46|09| 2| 9| 881|29.69| 0.00| 93| 70| 47|05| 2| 7|
|16| 545|29.82| 0.00| 94| 62| 35|08| 2| 6| 183|29.77| 0.00| 95| 66| 38|09| 3| 7| 726|29.63| 0.00| 92| 71| 51|08| 4| 11|
|19| 47|29.81| 0.00| 90| 62| 39|09| 2| 5| 84|29.74| 0.00| 92| 65| 40|08| 2| 6| 69|29.59| 0.00| 89| 69| 51|05| 1| 10|
|22| 0|29.86| 0.00| 85| 65| 52|28| 1| 5| 0|29.80| 0.00| 86| 67| 54|10| 1| 4| 0|29.59| 0.00| 83| 70| 65|05| 3| 10|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| SEP 13 | SEP 14 | SEP 15 |
| | | |
|01| 0|29.55| 0.00| 80| 71| 73|05| 7| 13| 0|29.74| 0.00| 80| 71| 74|20| 0| 1| 0|30.08| 0.00| 73| 60| 65|03| 1| 5|
|04| 0|29.46| 0.00| 78| 72| 80|05| 5| 13| 0|29.76| 0.00| 78| 72| 81|33| 0| 1| 0|30.10| 0.00| 68| 55| 64|06| 2| 6|
|07| 0|29.40| 0.00| 78| 72| 82|34| 6| 19| 0|29.79| 0.00| 75| 68| 79|05| 1| 4| 0|30.14| 0.00| 64| 52| 64|04| 4| 9|
|10| 232|29.42| 0.00| 81| 72| 73|31| 13| 24| 378|29.90| 0.00| 81| 60| 49|05| 3| 11| 193|30.21| 0.00| 68| 47| 47|05| 7| 14|
|13| 427|29.48| 0.00| 85| 71| 64|26| 12| 25| 795|29.92| 0.00| 89| 62| 41|05| 3| 9| 538|30.21| 0.00| 74| 46| 37|04| 5| 11|
|16| 255|29.52| 0.00| 89| 69| 53|30| 9| 17| 791|29.91| 0.00| 90| 60| 36|06| 5| 12| 334|30.16| 0.00| 75| 42| 31|05| 5| 10|
|19| 81|29.57| 0.00| 92| 69| 47|35| 1| 5| 67|29.94| 0.00| 84| 59| 43|06| 3| 10| 32|30.14| 0.00| 75| 46| 36|04| 0| 9|
|22| 0|29.66| 0.00| 83| 70| 65|07| 0| 1| 0|30.05| 0.00| 76| 61| 61|05| 0| 3| 0|30.19| 0.00| 67| 45| 45|05| 0| 3|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| SEP 16 | SEP 17 | SEP 18 |
| | | |
|01| 0|30.21| 0.00| 63| 47| 55|04| 0| 1| 0|30.17| 0.00| 62| 47| 59|03| 0| 0| 0|30.12| 0.00| 67| 55| 66|10| 0| 0|
|04| 0|30.21| 0.00| 60| 46| 60|04| 0| 2| 0|30.15| 0.00| 59| 48| 69|03| 0| 0| 0|30.09| 0.00| 66| 57| 72|01| 0| 1|
|07| 0|30.23| 0.00| 59| 47| 64|33| 1| 3| 0|30.16| 0.00| 58| 49| 73|02| 0| 1| 0|30.09| 0.10| 65| 57| 78|04| 1| 9|
|10| 494|30.25| 0.00| 69| 47| 45|06| 2| 6| 104|30.20| 0.00| 66| 54| 64|01| 0| 1| 188|30.15| 0.00| 66| 61| 83|04| 0| 2|
|13|1002|30.23| 0.00| 80| 39| 23|04| 3| 7| 415|30.17| 0.00| 77| 53| 43|04| 1| 6| 629|30.15| 0.00| 77| 58| 53|07| 1| 3|
|16| 283|30.15| 0.00| 78| 38| 24|05| 1| 7| 292|30.10| 0.00| 80| 49| 34|07| 1| 9| 629|30.07| 0.00| 81| 57| 44|08| 1| 6|
|19| 32|30.13| 0.00| 77| 41| 27|06| 1| 3| 32|30.09| 0.00| 75| 54| 47|10| 1| 5| 88|30.06| 0.00| 77| 54| 46|07| 0| 2|
|22| 0|30.17| 0.00| 67| 46| 46|03| 0| 1| 0|30.13| 0.00| 70| 54| 58|10| 0| 0| 0|30.10| 0.00| 68| 56| 66|09| 1| 3|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
MAXIMUM SHORT DURATION PRECIPITATION
+------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
| Time Period (minutes) | 5 | 10 | 15 | 20 | 30 | 45 | 60 | 80 | 100 | 120 | 150 | 180 |
+------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
| Precipitation | 0.16 | 0.19 | 0.20 | 0.20 | 0.24 | 0.35 | 0.35 | 0.38 | 0.38 | 0.38 | 0.38 | 0.38 |
+------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
| Ended: Date | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
+------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
| Ended: Time | 0008 | 0013 | 0013 | 0013 | 0029 | 0040 | 0040 | 0040 | 0040 | 0040 | 0040 | 0040 |
+------------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
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
September 2008: 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 |
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| SEP 19 | SEP 20 | SEP 21 |
| | | |
|01| 0|30.09| 0.00| 63| 55| 75|09| 0| 0| 0|30.03| 0.00| 65| 56| 72|09| 0| 1| 0|30.03| 0.00| 69| 58| 68|10| 0| 0|
|04| 0|30.07| 0.00| 60| 55| 86|09| 0| 0| 0|30.02| 0.00| 61| 56| 82|09| 0| 0| 0|30.03| 0.00| 66| 60| 82|10| 0| 0|
|07| 0|30.08| 0.00| 58| 56| 92|09| 0| 1| 0|30.04| 0.00| 60| 55| 85|03| 0| 0| 0|30.06| 0.00| 64| 60| 88|04| 0| 2|
|10| 362|30.09| 0.00| 70| 61| 72|05| 1| 5| 390|30.07| 0.00| 75| 61| 62|09| 1| 3| 246|30.10| 0.00| 76| 66| 71|07| 1| 2|
|13| 837|30.08| 0.00| 83| 57| 42|09| 3| 11| 851|30.05| 0.00| 86| 55| 35|09| 2| 6| 898|30.08| 0.00| 90| 61| 38|09| 1| 5|
|16| 650|29.99| 0.00| 86| 54| 33|08| 2| 10| 582|29.99| 0.00| 88| 54| 31|08| 2| 7| 682|30.02| 0.00| 89| 57| 34|09| 1| 6|
|19| 67|30.00| 0.00| 81| 54| 39|08| 3| 6| 49|29.99| 0.00| 85| 57| 39|09| 2| 7| 35|30.02| 0.00| 86| 57| 38|09| 2| 5|
|22| 0|30.03| 0.00| 72| 56| 57|09| 0| 2| 0|30.02| 0.00| 76| 59| 56|10| 0| 2| 0|30.08| 0.00| 77| 60| 55|08| 1| 3|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| SEP 22 | SEP 23 | SEP 24 |
| | | |
|01| 0|30.08| 0.00| 71| 60| 68|08| 0| 0| 0|30.09| 0.00| 75| 64| 69|15| 0| 0| 0|30.10| 0.00| 73| 63| 71|08| 0| 1|
|04| 0|30.08| 0.00| 66| 59| 78|08| 0| 0| 0|30.09| 0.00| 71| 64| 78|15| 0| 0| 0|30.09| 0.00| 69| 64| 83|03| 1| 3|
|07| 0|30.09| 0.00| 63| 59| 88|08| 0| 1| 0|30.10| 0.00| 68| 63| 85|01| 0| 0| 0|30.11| 0.00| 68| 64| 87|01| 0| 2|
|10| 355|30.14| 0.00| 75| 66| 74|09| 0| 2| 388|30.13| 0.00| 78| 66| 68|05| 1| 4| 417|30.14| 0.00| 79| 68| 70|03| 1| 3|
|13| 962|30.12| 0.00| 89| 64| 44|08| 0| 6| 881|30.11| 0.00| 89| 63| 42|09| 5| 7| 737|30.11| 0.00| 89| 61| 39|09| 5| 11|
|16| 731|30.03| 0.00| 93| 56| 29|11| 1| 6| 207|30.03| 0.00| 90| 61| 38|08| 5| 9| 265|30.06| 0.00| 89| 59| 37|06| 5| 12|
|19| 19|30.02| 0.00| 87| 60| 41|12| 0| 4| 46|30.03| 0.00| 86| 61| 44|09| 3| 6| 21|30.09| 0.00| 82| 62| 51|09| 4| 7|
|22| 0|30.08| 0.00| 80| 64| 59|08| 2| 7| 0|30.08| 0.00| 78| 62| 59|08| 0| 1| 0|30.14| 0.00| 75| 62| 64|08| 0| 0|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| SEP 25 | SEP 26 | SEP 27 |
| | | |
|01| 0|30.13| 0.00| 69| 61| 74|08| 0| 0| 0|30.08| 0.00| 66| 54| 67|12| 0| 0| 0|30.00| 0.00| 66| 52| 61|11| 0| 0|
|04| 0|30.13| 0.00| 68| 62| 81|04| 0| 2| 0|30.06| 0.00| 66| 54| 67|12| 0| 0| 0|30.00| 0.00| 61| 53| 73|11| 0| 0|
|07| 0|30.16| 0.00| 65| 61| 88|04| 0| 1| 0|30.07| 0.00| 66| 54| 67|12| 0| 0| 0|30.03| 0.00| 58| 53| 81|11| 0| 0|
|10| 429|30.19| 0.00| 75| 60| 59|10| 1| 3| 0|30.11| 0.00| 66| 54| 67|12| 0| 0| 406|30.06| 0.00| 74| 57| 55|11| 0| 1|
|13| 828|30.16| 0.00| 85| 55| 35|09| 2| 10| 930|30.05| 0.00| 87| 56| 36|07| 2| 7| 867|30.03| 0.00| 87| 54| 33|04| 2| 7|
|16| 631|30.08| 0.00| 87| 50| 28|06| 1| 11| 628|29.97| 0.00| 89| 52| 28|03| 1| 5| 158|29.98| 0.00| 88| 51| 28|09| 3| 6|
|19| 39|30.08| 0.00| 82| 50| 33|09| 2| 7| 26|29.97| 0.00| 84| 51| 32|08| 0| 3| 28|29.98| 0.00| 83| 51| 33|10| 1| 4|
|22| 0|30.12| 0.00| 74| 54| 50|12| 0| 0| 0|30.01| 0.00| 73| 51| 46|11| 0| 0| 0|30.03| 0.00| 74| 50| 44|10| 0| 1|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| SEP 28 | SEP 29 | SEP 30 |
| | | |
|01| 0|30.04| 0.00| 66| 51| 59|10| 0| 0| 0|30.07| 0.00| 64| 49| 58|12| 0| 0| 0|30.08| 0.00| 63| 50| 63|07| 0| 0|
|04| 0|30.04| 0.00| 61| 50| 67|10| 0| 0| 0|30.06| 0.00| 59| 50| 72|12| 0| 0| 0|30.07| 0.00| 57| 49| 74|07| 0| 0|
|07| 0|30.06| 0.00| 58| 51| 78|19| 0| 0| 0|30.09| 0.00| 56| 50| 81|19| 0| 0| 0|30.09| 0.00| 56| 50| 79|23| 0| 1|
|10| 283|30.09| 0.00| 75| 54| 48|32| 0| 1| 128|30.11| 0.00| 75| 56| 52|29| 0| 3| 105|30.12| 0.00| 76| 51| 42|32| 0| 4|
|13| 798|30.08| 0.00| 85| 51| 31|03| 2| 6| 807|30.09| 0.00| 86| 50| 29|34| 2| 7| 788|30.10| 0.00| 90| 52| 27|07| 1| 13|
|16| 236|30.02| 0.00| 87| 46| 24|09| 3| 7| 619|30.02| 0.00| 89| 48| 24|04| 2| 5| 596|30.02| 0.00| 93| 55| 28|00| 1| 10|
|19| 37|30.03| 0.00| 83| 46| 27|09| 1| 4| 30|30.03| 0.00| 85| 44| 24|02| 2| 5| 26|30.01| 0.00| 86| 55| 35|05| 3| 7|
|22| 0|30.07| 0.00| 74| 50| 42|12| 0| 1| 0|30.07| 0.00| 73| 48| 40|07| 0| 0| 0|30.05| 0.00| 74| 53| 47|03| 0| 0|
+--+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+----+-----+-----+---+---+---+--+---+---+
| | | |
| | | |
| | | |
| | | |
| | | |
| | | |
| | | |
| | | |
| | | |
| | | |
+------------------------------------------+---------------------------------------+---------------------------------------+
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|29.973| 72| 60| 65| 0.4| 04 | 0.3|
|04| 0|29.961| 69| 60| 73| 0.4| 03 | 0.3|
|07| 0|29.978| 67| 60| 78| 0.5| 36 | 0.4|
|10| 285|30.019| 75| 62| 64| 1.4| 01 | 0.7|
|13| 715|29.989| 86| 60| 42| 2.3| 05 | 1.1|
|16| 448|29.931| 88| 57| 35| 2.3| 05 | 1.5|
|19| 60|29.928| 85| 57| 39| 1.7| 07 | 1.2|
|22| 0|29.973| 77| 59| 54| 0.5| 08 | 0.4|
+--+----+------+---+---+---+-----+----+----+
HOURLY PRECIPITATION (Water Equivalent)
September 2008: 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| | | | | | | | | | | | | | | | | | | | | | | | |01
02| | | | | | | | | | | | | | | | | | | | | | | | |02
03| | | | | | | | | | | | | | | | | | | | | | | | |03
04| | | | | | | | | | | | | | | | | | | | | | | | |04
05| | | | | | | | | | | | | | | | | | | | | | | | |05
| | | | | | | | | | | | | | | | | | | | | | | | |
06| | | | | | | | | | | | | | | | | | | | | | | | |06
07| | | | | | | | | | | | | | | | | | | | | | | | |07
08| | | | | | | | | | | | | | | | | | | | | | | | |08
09| | | | | | | | | | | | | | | | | | | | | | | |0.04|09
10|0.34| | | | | | | | | | | | | | | | | | | | | | | |10
| | | | | | | | | | | | | | | | | | | | | | | | |
11| | | | | | | | | | | | | | | | | | | | | | | | |11
12| | | | | | | | | | | | | | | | | | | | | | | | |12
13| | | | | | | | | | | | | | | | | | | | | | | | |13
14| | | | | | | | | | | | | | | | | | | | | | | | |14
15| | | | | | | | | | | | | | | | | | | | | | | | |15
| | | | | | | | | | | | | | | | | | | | | | | | |
16| | | | | | | | | | | | | | | | | | | | | | | | |16
17| | | | | | | | | | | | | | | | | | | | | | | | |17
18| | | | | | |0.02| | | | | | | | | | | | | | | | | |18
19| | | | | | | | | | | | | | | | | | | | | | | | |19
20| | | | | | | | | | | | | | | | | | | | | | | | |20
| | | | | | | | | | | | | | | | | | | | | | | | |
21| | | | | | | | | | | | | | | | | | | | | | | | |21
22| | | | | | | | | | | | | | | | | | | | | | | | |22
23| | | | | | | | | | | | | | | | | | | | | | | | |23
24| | | | | | | | | | | | | | | | | | | | | | | | |24
25| | | | | | | | | | | | | | | | | | | | | | | | |25
| | | | | | | | | | | | | | | | | | | | | | | | |
26| | | | | | | | | | | | | | | | | | | | | | | | |26
27| | | | | | | | | | | | | | | | | | | | | | | | |27
28| | | | | | | | | | | | | | | | | | | | | | | | |28
29| | | | | | | | | | | | | | | | | | | | | | | | |29
30| | | | | | | | | | | | | | | | | | | | | | | | |30
---+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+---
Sum|0.34|0.00|0.00|0.00|0.00|0.00|0.02|0.00|0.00|0.00|0.00|0.00|0.00|0.00|0.00|0.00|0.00|0.00|0.00|0.00|0.00|0.00|0.00|0.04|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.)