ANNUAL CLIMATOLOGICAL SUMMARY NAME: RoundRock CITY: Round Rock STATE: TX ELEV: 709 ft LAT: 30° 32' 55" N LONG: 97° 37' 34" W TEMPERATURE (°F), HEAT BASE 65.0, COOL BASE 65.0 DEP. HEAT COOL MEAN MEAN FROM DEG DEG MAX MAX MIN MIN YR MO MAX MIN MEAN NORM DAYS DAYS HI DATE LOW DATE >=90 <=32 <=32 <=0 ------------------------------------------------------------------------------------ 09 1 67.4 38.3 51.3 4.1 464 40 85.5 3 25.8 28 0 0 8 0 09 2 73.2 46.2 59.6 8.3 226 74 89.5 27 28.7 3 0 0 3 0 09 3 76.3 51.0 62.2 3.1 221 132 88.6 8 30.6 2 0 0 1 0 09 4 80.5 56.5 67.9 1.4 92 179 94.7 21 33.5 7 3 0 0 0 09 5 87.9 67.0 76.7 2.9 12 368 95.1 8 52.2 19 13 0 0 0 09 6 98.3 73.3 85.4 5.4 0 612 106.5 29 60.9 5 28 0 0 0 09 7 101.3 76.2 87.6 3.8 0 702 106.8 8 71.8 30 31 0 0 0 09 8 101.8 75.0 87.0 3.4 0 683 106.2 23 67.3 31 31 0 0 0 09 9 87.1 67.9 76.3 -1.6 10 341 101.7 3 57.3 24 13 0 0 0 09 10 78.0 57.6 66.6 -1.9 120 170 93.2 15 39.8 31 4 0 0 0 09 11 72.0 48.2 59.5 1.8 222 59 80.9 7 34.0 25 0 0 0 0 09 12 56.3 36.9 45.7 -3.8 604 5 76.0 23 21.9 5 0 0 9 0 ------------------------------------------------------------------------------------ 81.7 57.9 68.9 2.2 1973 3363 106.8 JUL 21.9 DEC 123 0 21 0 PRECIPITATION (in) DEP. MAX DAYS OF RAIN FROM OBS. OVER YR MO TOTAL NORM DAY DATE .01 .1 1 --------------------------------------------- 09 1 0.73 -1.10 0.42 6 6 2 0 09 2 1.36 -0.96 0.86 9 4 2 0 09 3 3.32 0.78 1.33 12 9 5 1 09 4 2.76 -0.29 1.30 17 6 4 1 09 5 2.88 -2.19 1.40 16 4 3 2 09 6 1.85 -2.52 1.08 11 3 3 1 09 7 1.17 -0.40 0.69 30 4 2 0 09 8 1.62 -0.91 0.71 28 5 4 0 09 9 5.11 1.62 2.29 11 9 5 2 09 10 8.26 4.48 2.24 26 10 8 4 09 11 2.46 -0.85 0.97 20 7 4 0 09 12 2.14 -0.42 0.98 1 10 4 0 --------------------------------------------- 33.66 -2.76 2.29 SEP 77 46 11 WIND SPEED (mph) DOM YR MO AVG. HI DATE DIR --------------------------------- 09 1 1.6 26.0 9 SW 09 2 2.1 33.0 10 SW 09 3 1.8 30.0 27 SW 09 4 1.8 31.0 2 SW 09 5 1.0 18.0 13 SW 09 6 1.1 29.0 11 SW 09 7 0.9 18.0 22 SW 09 8 0.7 31.0 27 SW 09 9 0.8 23.0 17 SW 09 10 1.0 27.0 29 SW 09 11 0.6 25.0 16 SW 09 12 1.2 37.0 24 ENE --------------------------------- 1.2 37.0 DEC SW