METEOROLOGICAL DATA FOR 2007 Round Rock Latitude: 30° 32' 55" N Longitude: 97° 37' 34" W Elevation: 709 ft Time Zone: Central +-------------------------+------+------+------+------+------+------+------+------+------+------+------+------+---------+ | | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | Year| +-------------------------+------+------+------+------+------+------+------+------+------+------+------+------+---------+ |TEMPERATURE | | | | | | | | | | | | | | | Average | | | | | | | | | | | | | | | -Daily Maximum | 54.6| 65.8| 75.1| 75.3| 84.3| 89.9| 90.1| 95.3| 90.7| 84.6| 72.9| 67.2| 78.8| | -Daily Minimum | 36.9| 40.8| 54.5| 54.3| 65.3| 71.3| 72.9| 74.7| 70.0| 59.0| 50.7| 39.2| 57.5| | -Monthly | 45.7| 53.3| 64.8| 64.8| 74.8| 80.6| 81.5| 85.0| 80.3| 71.8| 61.8| 53.2| 68.1| | -Monthly Dewpt. | 37.1| 39.0| 52.1| 53.9| 64.9| 70.8| 72.3| 72.3| 69.1| 56.6| 48.9| 40.4| 56.5| | Extremes | | | | | | | | | | | | | | | -Highest | 78.6| 87.6| 86.5| 87.2| 92.3| 95.4| 95.4| 100.7| 94.9| 92.7| 88.0| 82.8| 100.7| | -Date | 5| 26| 10| 29| 14| 19| 10| 14| 8| 2| 21| 2| AUG 14| | -Lowest | 27.3| 19.7| 30.4| 32.9| 56.3| 64.2| 68.8| 69.9| 64.3| 37.6| 33.5| 24.1| 19.7| | -Date | 16| 16| 4| 7| 17| 5| 25| 28| 21| 26| 27| 23| FEB 16| +-------------------------+------+------+------+------+------+------+------+------+------+------+------+------+---------+ |DEGREE DAYS | | | | | | | | | | | | | | | Heating Base 65°F | 589| 332| 93| 103| 0| 0| 0| 0| 0| 43| 176| 377| 1713| | | | | | | | | | | | | | | | | Cooling Base 65°F | 3| 14| 98| 105| 314| 471| 520| 630| 468| 263| 92| 25| 3003| +-------------------------+------+------+------+------+------+------+------+------+------+------+------+------+---------+ |SUNSHINE | 94.4| 153.7| 159.6| 202.4| 205.1| 236.6| 210.2| 246.0| 201.8| 180.1| 117.2| 114.0| 176.8| +-------------------------+------+------+------+------+------+------+------+------+------+------+------+------+---------+ |NUMBER OF DAYS | | | | | | | | | | | | | | | Sunrise to Sunset | | | | | | | | | | | | | | | -Clear | 16| 19| 19| 20| 21| 22| 23| 25| 21| 25| 24| 26| 261| | -Partly Cloudy | 1| 3| 4| 4| 5| 3| 2| 5| 5| 5| 0| 2| 39| | -Cloudy | 14| 6| 8| 6| 5| 5| 6| 1| 4| 1| 6| 3| 65| | | | | | | | | | | | | | | | | Precipitation | | | | | | | | | | | | | | | .01 inches or more | 15| 7| 12| 12| 15| 15| 19| 7| 8| 4| 5| 9| 128| | | | | | | | | | | | | | | | | Snow, Ice pellets | | | | | | | | | | | | | | | 1.0 inches or more | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | | | | | | | | | | | | | | | | Thunderstorms | 2| 0| 6| 6| 8| 11| 9| 7| 5| 2| 2| 1| 59| | | | | | | | | | | | | | | | | Heavy Fog, visibility| | | | | | | | | | | | | | | 1/4 mile or less | 1| 1| 2| 0| 1| 0| 0| 0| 1| 1| 0| 1| 8| | | | | | | | | | | | | | | | | Temperature | | | | | | | | | | | | | | | -Maximum | | | | | | | | | | | | | | | 90°F and above | 0| 0| 0| 0| 4| 18| 18| 30| 23| 12| 0| 0| 105| | 32°F and below | 2| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 2| | -Minimum | | | | | | | | | | | | | | | 32°F and below | 11| 7| 2| 0| 0| 0| 0| 0| 0| 0| 0| 9| 29| | 0°F and below | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| +-------------------------+------+------+------+------+------+------+------+------+------+------+------+------+---------+ |PRESSURE | | | | | | | | | | | | | | | Average | | | | | | | | | | | | | | | -Monthly |30.218|30.084|30.055|29.981|29.947|29.894|29.948|29.940|29.976|29.976|30.122|30.076| 30.018| | Extremes | | | | | | | | | | | | | | | -Highest | 30.73| 30.52| 30.60| 30.40| 30.20| 30.16| 30.11| 30.08| 30.17| 30.50| 30.48| 30.59| 30.73| | -Date | 16| 18| 4| 7| 17| 20| 18| 30| 15| 28| 22| 3| JAN 16| | -Lowest | 29.68| 29.52| 29.51| 29.50| 29.62| 29.65| 29.78| 29.80| 29.82| 29.50| 29.84| 29.67| 29.50| | -Date | 5| 28| 1| 10| 5| 6| 29| 1| 5| 17| 21| 22| OCT 17| +-------------------------+------+------+------+------+------+------+------+------+------+------+------+------+---------+ |RELATIVE HUMIDITY (%) | | | | | | | | | | | | | | | Average | | | | | | | | | | | | | | | -Monthly | 76.8| 64.8| 70.2| 72.0| 75.1| 76.7| 80.4| 71.8| 74.0| 65.8| 69.0| 67.5| 72.0| | -Local Time | | | | | | | | | | | | | | | Hour 01 | 84| 75| 81| 82| 86| 89| 90| 86| 87| 79| 79| 81| 83| | Hour 07 | 87| 83| 83| 87| 91| 93| 95| 92| 94| 89| 84| 85| 89| | Hour 13 | 62| 48| 56| 58| 61| 63| 66| 53| 57| 46| 53| 47| 56| | Hour 19 | 75| 58| 61| 62| 64| 65| 72| 60| 62| 52| 63| 62| 63| +-------------------------+------+------+------+------+------+------+------+------+------+------+------+------+---------+ |PRECIPITATION | | | | | | | | | | | | | | | Water Equivalent | | | | | | | | | | | | | | | -Total | 5.35| 0.12| 5.11| 2.34| 6.49| 10.72| 6.19| 2.43| 2.78| 0.63| 1.37| 1.16| 44.69| | -Greatest (24 hrs) | 2.95| 0.05| 2.27| 0.53| 2.43| 4.02| 1.16| 1.30| 1.21| 0.43| 1.12| 0.73| 4.02| | -Date | 12-13| 11-12| 11-12| 7-8| 24-25| 27-28| 25-26| 31| 11| 22| 24-25| 11-12|JUN 27-28| | | | | | | | | | | | | | | | | Snow, Ice pellets | | | | | | | | | | | | | | | -Total | 0.1| 0.0| 0.0| T| 0.0| 0.0| 0.0| 0.0| 0.0| 0.0| 0.0| 0.0| 0.1| | -Greatest (24 hrs) | 0.1| 0.0| 0.0| T| 0.0| 0.0| 0.0| 0.0| 0.0| 0.0| 0.0| 0.0| 0.1| | -Date | 16| | | 7| | | | | | | | | JAN 16| +-------------------------+------+------+------+------+------+------+------+------+------+------+------+------+---------+ |WIND | | | | | | | | | | | | | | | Resultant | | | | | | | | | | | | | | | -Direction | 24| 268| 287| 345| 318| 239| 229| 209| 166| 330| 336| 305| 295| | -Speed | 0.7| 0.5| 0.6| 0.5| 0.0| 0.6| 0.3| 0.3| 0.1| 0.3| 0.1| 0.8| 0.2| | Average Speed | 1.6| 2.0| 1.6| 1.5| 0.9| 1.0| 0.7| 0.9| 0.6| 1.1| 1.4| 1.6| 1.2| | Maximum One-minute | | | | | | | | | | | | | | | Average | | | | | | | | | | | | | | | -Direction | NNW| W| NW| NW| SW| NW| NW| E| E| NNW| NW| WNW| NW| | -Speed | 13| 18| 17| 15| 11| 19| 10| 12| 8| 17| 10| 19| 19| | -Date | 7| 24| 1| 14| 31| 14| 23| 31| 1| 22| 21| 22| JUN 14| | Peak Gust | | | | | | | | | | | | | | | -Direction | NW| W| NW| NW| WNW| WNW| WNW| ESE| W| NNW| WNW| WNW| WNW| | -Speed | 24| 30| 30| 30| 31| 33| 25| 20| 15| 29| 22| 33| 33| | -Date | 7| 24| 1| 14| 2| 14| 23| 31| 5| 24| 21| 22| JUN 14| +-------------------------+------+------+------+------+------+------+------+------+------+------+------+------+---------+MEANS AND EXTREMES* Round Rock Latitude: 30° 32' 55" N Longitude: 97° 37' 34" W Elevation: 709 ft Time Zone: Central +-------------------------+------+------+------+------+------+------+------+------+------+------+------+------+---------+ | | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | Year| +-------------------------+------+------+------+------+------+------+------+------+------+------+------+------+---------+ |TEMPERATURE | | | | | | | | | | | | | | | Average | | | | | | | | | | | | | | | -Daily Maximum | 54.6| 65.8| 75.1| 75.3| 84.3| 89.9| 90.1| 95.3| 88.9| 83.6| 73.5| 65.7| 78.5| | -Daily Minimum | 36.9| 40.8| 54.5| 54.3| 65.3| 71.3| 72.9| 74.7| 65.6| 59.0| 50.0| 40.5| 57.1| | -Monthly | 45.7| 53.3| 64.8| 64.8| 74.8| 80.6| 81.5| 85.0| 77.2| 71.3| 61.8| 53.1| 67.8| | -Monthly Dewpt. | 37.1| 39.0| 52.1| 53.9| 64.9| 70.8| 72.3| 72.3| 61.7| 57.0| 48.1| 40.4| 55.8| | Extremes | | | | | | | | | | | | | | | -Record Highest | 78.6| 87.6| 86.5| 87.2| 92.3| 95.4| 95.4| 100.7| 94.9| 92.9| 89.7| 82.8| 100.7| | -Year | 2007| 2007| 2007| 2007| 2007| 2007| 2007| 2007| 2007| 2006| 2006| 2007| AUG 2007| | -Record Lowest | 27.3| 19.7| 30.4| 32.9| 56.3| 64.2| 68.8| 69.9| 55.4| 37.6| 31.6| 24.1| 19.7| | -Year | 2007| 2007| 2007| 2007| 2007| 2007| 2007| 2007| 2006| 2007| 2006| 2007| FEB 2007| +-------------------------+------+------+------+------+------+------+------+------+------+------+------+------+---------+ |MEAN DEGREE DAYS | | | | | | | | | | | | | | | Heating Base 65°F | 589| 332| 93| 103| 0| 0| 0| 0| 0| 39| 165| 378| 1699| | | | | | | | | | | | | | | | | Cooling Base 65°F | 3| 14| 98| 105| 314| 471| 520| 630| 267| 243| 81| 21| 2766| +-------------------------+------+------+------+------+------+------+------+------+------+------+------+------+---------+ |SUNSHINE | 94.4| 153.7| 159.6| 202.4| 205.1| 236.6| 210.2| 246.0| 221.9| 176.9| 129.7| 112.2| 179.1| +-------------------------+------+------+------+------+------+------+------+------+------+------+------+------+---------+ |MEAN NUMBER OF DAYS | | | | | | | | | | | | | | | Sunrise to Sunset | | | | | | | | | | | | | | | -Clear | 16.0| 19.0| 19.0| 20.0| 21.0| 22.0| 23.0| 25.0| 13.5| 23.5| 24.5| 24.5| 251.0| | -Partly Cloudy | 1.0| 3.0| 4.0| 4.0| 5.0| 3.0| 2.0| 5.0| 3.0| 4.5| 0.5| 2.0| 37.0| | -Cloudy | 14.0| 6.0| 8.0| 6.0| 5.0| 5.0| 6.0| 1.0| 2.0| 3.0| 5.0| 4.5| 65.5| | | | | | | | | | | | | | | | | Precipitation | | | | | | | | | | | | | | | .01 inches or more | 15.0| 7.0| 12.0| 12.0| 15.0| 15.0| 19.0| 7.0| 4.0| 6.5| 4.0| 10.0| 126.5| | | | | | | | | | | | | | | | | Snow, Ice pellets | | | | | | | | | | | | | | | 1.0 inches or more | 0.0| 0.0| 0.0| 0.0| 0.0| 0.0| 0.0| 0.0| 0.0| 0.0| 0.0| 0.0| 0.0| | | | | | | | | | | | | | | | | Thunderstorms | 2.0| 0.0| 6.0| 6.0| 8.0| 11.0| 9.0| 7.0| 3.0| 2.5| 1.5| 1.0| 57.0| | | | | | | | | | | | | | | | | Heavy Fog, visibility| | | | | | | | | | | | | | | 1/4 mile or less | 1.0| 1.0| 2.0| 0.0| 1.0| 0.0| 0.0| 0.0| 0.5| 1.0| 0.5| 2.0| 9.0| | | | | | | | | | | | | | | | | Temperature | | | | | | | | | | | | | | | -Maximum | | | | | | | | | | | | | | | 90°F and above | 0.0| 0.0| 0.0| 0.0| 4.0| 18.0| 18.0| 30.0| 13.0| 10.5| 0.5| 0.0| 94.0| | 32°F and below | 2.0| 0.0| 0.0| 0.0| 0.0| 0.0| 0.0| 0.0| 0.0| 0.0| 0.0| 0.0| 2.0| | -Minimum | | | | | | | | | | | | | | | 32°F and below | 11.0| 7.0| 2.0| 0.0| 0.0| 0.0| 0.0| 0.0| 0.0| 0.0| 0.5| 7.5| 28.0| | 0°F and below | 0.0| 0.0| 0.0| 0.0| 0.0| 0.0| 0.0| 0.0| 0.0| 0.0| 0.0| 0.0| 0.0| +-------------------------+------+------+------+------+------+------+------+------+------+------+------+------+---------+ |MEAN PRESSURE | | | | | | | | | | | | | | | Average | | | | | | | | | | | | | | | -Monthly |30.218|30.084|30.055|29.981|29.947|29.894|29.948|29.940|30.004|29.970|30.093|30.125| 30.022| | Extremes | | | | | | | | | | | | | | | -Record Highest | 30.73| 30.52| 30.60| 30.40| 30.20| 30.16| 30.11| 30.08| 30.22| 30.50| 30.53| 30.76| 30.76| | -Year | 2007| 2007| 2007| 2007| 2007| 2007| 2007| 2007| 2006| 2007| 2006| 2006| DEC 2006| | -Record Lowest | 29.68| 29.52| 29.51| 29.50| 29.62| 29.65| 29.78| 29.80| 29.82| 29.43| 29.45| 29.67| 29.43| | -Year | 2007| 2007| 2007| 2007| 2007| 2007| 2007| 2007| 2007| 2006| 2006| 2007| OCT 2006| +-------------------------+------+------+------+------+------+------+------+------+------+------+------+------+---------+ |RELATIVE HUMIDITY (%) | | | | | | | | | | | | | | | Average | | | | | | | | | | | | | | | -Monthly | 76.8| 64.8| 70.2| 72.0| 75.1| 76.7| 80.4| 71.8| 63.5| 66.7| 67.0| 67.7| 71.1| | -Local Time | | | | | | | | | | | | | | | Hour 01 | 84| 75| 81| 82| 86| 89| 90| 86| 77| 79| 78| 79| 82| | Hour 07 | 87| 83| 83| 87| 91| 93| 95| 92| 86| 87| 83| 84| 88| | Hour 13 | 62| 48| 56| 58| 61| 63| 66| 53| 46| 49| 49| 48| 55| | Hour 19 | 75| 58| 61| 62| 64| 65| 72| 60| 51| 55| 62| 63| 62| +-------------------------+------+------+------+------+------+------+------+------+------+------+------+------+---------+ |PRECIPITATION | | | | | | | | | | | | | | | Water Equivalent | | | | | | | | | | | | | | | -Mean | 5.35| 0.12| 5.11| 2.34| 6.49| 10.72| 6.19| 2.43| 1.39| 4.15| 0.95| 2.84| 48.09| | -Maximum Monthly | 5.35| 0.12| 5.11| 2.34| 6.49| 10.72| 6.19| 2.43| 2.78| 7.67| 1.37| 4.53| 10.72| | -Year | 2007| 2007| 2007| 2007| 2007| 2007| 2007| 2007| 2007| 2006| 2007| 2006| JUN 2007| | -Minimum Monthly | 5.35| 0.12| 5.11| 2.34| 6.49| 10.72| 6.19| 2.43| 0.00| 0.63| 0.54| 1.16| 0.00| | -Year | 2007| 2007| 2007| 2007| 2007| 2007| 2007| 2007| 2006| 2007| 2006| 2007| SEP 2006| | -Greatest (24 hrs) | 2.95| 0.05| 2.27| 0.53| 2.43| 4.02| 1.16| 1.30| 1.21| 3.53| 1.12| 2.26| 4.02| | -Year | 2007| 2007| 2007| 2007| 2007| 2007| 2007| 2007| 2007| 2006| 2007| 2006| JUN 2007| | | | | | | | | | | | | | | | | Snow,Ice pellets,Hail| | | | | | | | | | | | | | | -Mean | 0.1| 0.0| 0.0| T| 0.0| 0.0| 0.0| 0.0| 0.0| 0.0| 0.0| 0.0| 0.1| | -Maximum Monthly | 0.1| 0.0| 0.0| T| 0.0| 0.0| 0.0| 0.0| 0.0| 0.0| 0.0| 0.0| 0.1| | -Year | 2007| 2007| 2007| 2007| 2007| 2007| 2007| 2007| 2006| 2006| 2006| 2006| JAN 2007| | -Minimum Monthly | 0.1| 0.0| 0.0| T| 0.0| 0.0| 0.0| 0.0| 0.0| 0.0| 0.0| 0.0| 0.0| | -Year | 2007| 2007| 2007| 2007| 2007| 2007| 2007| 2007| 2006| 2006| 2006| 2006| SEP 2006| | -Greatest (day) | 0.1| 0.0| 0.0| T| 0.0| 0.0| 0.0| 0.0| 0.0| 0.0| 0.0| 0.0| 0.1| | -Year | 2007| 2007| 2007| 2007| 2007| 2007| 2007| 2007| 2006| 2006| 2006| 2006| JAN 2007| +-------------------------+------+------+------+------+------+------+------+------+------+------+------+------+---------+ |WIND | | | | | | | | | | | | | | | Resultant | | | | | | | | | | | | | | | -Direction | 24| 268| 287| 345| 318| 239| 229| 209| 228| 320| 295| 303| 291| | -Speed | 0.7| 0.5| 0.6| 0.5| 0.0| 0.6| 0.3| 0.3| 0.2| 0.3| 0.4| 0.7| 0.3| | Average Speed | 1.6| 2.0| 1.6| 1.5| 0.9| 1.0| 0.7| 0.9| 0.9| 1.3| 1.6| 1.6| 1.3| | Maximum One-minute | | | | | | | | | | | | | | | Average | | | | | | | | | | | | | | | -Direction | NNW| W| NW| NW| SW| NW| NW| E| NE| NW| NW| WNW| NW| | -Speed | 13| 18| 17| 15| 11| 19| 10| 12| 10| 20| 22| 19| 22| | -Year | 2007| 2007| 2007| 2007| 2007| 2007| 2007| 2007| 2006| 2006| 2006| 2007| NOV 2006| | Peak Gust | | | | | | | | | | | | | | | -Direction | NW| W| NW| NW| WNW| WNW| WNW| ESE| W| NNW| NNW| WNW| NNW| | -Speed | 24| 30| 30| 30| 31| 33| 25| 20| 19| 30| 36| 33| 36| | -Year | 2007| 2007| 2007| 2007| 2007| 2007| 2007| 2007| 2006| 2006| 2006| 2007| NOV 2006| +-------------------------+------+------+------+------+------+------+------+------+------+------+------+------+---------+ *NOTE: Length of record: September 2006 to December 2007. PRECIPITATION +------+------+------+------+------+------+------+------+------+------+------+------+------+---------+ | Year | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | Annual | +------+------+------+------+------+------+------+------+------+------+------+------+------+---------+ | 2006 | | | | | | | | | 0.00| 7.67| 0.54| 4.53| 12.74 | | 2007 | 5.35| 0.12| 5.11| 2.34| 6.49| 10.72| 6.19| 2.43| 2.78| 0.63| 1.37| 1.16| 44.69 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +------+------+------+------+------+------+------+------+------+------+------+------+------+---------+ SNOWFALL +---------+------+------+------+------+------+------+------+------+------+------+------+------+---------+ | Year | JUL | AUG | SEP | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | Total | +---------+------+------+------+------+------+------+------+------+------+------+------+------+---------+ | 2005-06 | | | | | | | 0.0| 0.0| 0.0| 0.0| 0.0| 0.0| 0.0 | | 2006-07 | 0.0| 0.0| 0.0| 0.0| 0.0| 0.0| 0.1| 0.0| 0.0| T| 0.0| 0.0| 0.1 | | 2007-08 | 0.0| 0.0| 0.0| 0.0| 0.0| 0.0| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +---------+------+------+------+------+------+------+------+------+------+------+------+------+---------+ TEMPERATURE +------+------+------+------+------+------+------+------+------+------+------+------+------+---------+ | Year | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | Annual | +------+------+------+------+------+------+------+------+------+------+------+------+------+---------+ | 2006 | | | | | | | | | 74.1| 70.8| 61.8| 53.0| 64.9 | | 2007 | 45.7| 53.3| 64.8| 64.8| 74.8| 80.6| 81.5| 85.0| 80.3| 71.8| 61.8| 53.2| 68.1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +------+------+------+------+------+------+------+------+------+------+------+------+------+---------+ HEATING DEGREE DAYS: Base 65°F +---------+------+------+------+------+------+------+------+------+------+------+------+------+---------+ | Year | JUL | AUG | SEP | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | Total | +---------+------+------+------+------+------+------+------+------+------+------+------+------+---------+ | 2005-06 | | | | | | | | | | | | | 0 | | 2006-07 | | | 0| 35| 154| 379| 589| 332| 93| 103| 0| 0| 1685 | | 2007-08 | 0| 0| 0| 43| 176| 377| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +---------+------+------+------+------+------+------+------+------+------+------+------+------+---------+ COOLING DEGREE DAYS: Base 65°F +------+------+------+------+------+------+------+------+------+------+------+------+------+---------+ | Year | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | Total | +------+------+------+------+------+------+------+------+------+------+------+------+------+---------+ | 2006 | | | | | | | | | 65| 223| 69| 17| 374 | | 2007 | 3| 14| 98| 105| 314| 471| 520| 630| 468| 263| 92| 25| 3003 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | +------+------+------+------+------+------+------+------+------+------+------+------+------+---------+STATION LOCATION AND INSTRUMENTATION Round Rock +-------------------------+----------+----------+------------+------------+-----------------------------------------------------+ | | | | | | Elevation Above (ft) | | | | | | +------+----------------------------------------------+ | | | | | | | Ground | | | | | Latitude | Longitude | Sea +-----+-----+-----+---------+-------+----------+ | | | | | | | | | | | | | | Location | Occupied | Occupied | North | West | Level| Wind| Sun | Temp| Humidity| Rain | Barometer| | | From | To | | | | | | | | | | | | | | | | | | | | | | | +-------------------------+----------+----------+------------+------------+------+-----+-----+-----+---------+-------+----------+ | | | | | | | | | | | | | | | 9/24/2006| |30° 32' 55" |97° 37' 34" | 709| 9| 6| 6| 6 | 6 | 3 | |Round Rock, TX 78664 | | | | | | | | | | | | | | | | | | | | | | | | | +-------------------------+----------+----------+------------+------------+------+-----+-----+-----+---------+-------+----------+ Notes: Units are: Temperature=°F, Wind=mph, Pressure=Inches Hg, Precipitation=inches.INSTRUMENTATION DETAIL The following equipment is used for measuring meteorological data at this station: Davis Vantage Pro, Vantage Pro Plus, Vantage Pro2, Vantage Pro2 Plus Wind: Electronic sensors: Large cups: Instantaneous speed to 120 mph and direction to nearest 7°, greater of 2 mph or ±5%. Small cups: Instantaneous speed to 175 mph and direction to nearest 7°, greater of 3 mph or ±5%. Temperature: Electronic sensor: -40° to 140°F, ±1°F. Humidity: Electronic sensor: 0 to 100% RH, ±3%. Barometer: Electronic sensor: 26.00 to 32.00 inches Hg, ±0.05". Rainfall: 6.5-inch diameter electronic tipping bucket rain gauge. Resolution 0.01", ±4%. Sunshine: Electronic sensor: 0 to 1600 W/m^2, 5%. UV: Electronic sensor: 0 to 16 Index, 8%. Snow, ice pellets, glaze and other meteorological phenomenon not recorded by the Weather Computer are manually observed and recorded in the station record.