MONTHLY CLIMATOLOGICAL SUMMARY for FEB. 2010 NAME: SK CITY: Chesterfield STATE: MO 63017 ELEV: 500 ft LAT: 38° 24' 34" N LONG: 90° 17' 55" W TEMPERATURE (°F), RAIN (in), WIND SPEED (mph) HEAT COOL AVG MEAN DEG DEG WIND DOM DAY TEMP HIGH TIME LOW TIME DAYS DAYS RAIN SPEED HIGH TIME DIR ------------------------------------------------------------------------------------ 1 32.3 38.2 11:44a 24.8 5:34a 32.6 0.0 0.00 2.3 14.0 11:46a SSE 2 35.0 39.2 2:07p 28.3 11:56p 29.9 0.0 0.00 2.3 16.0 7:45p WNW 3 29.6 39.2 3:33p 21.1 7:02a 35.3 0.0 0.00 1.1 11.0 10:05p NW 4 33.1 38.2 3:01p 29.1 5:34a 31.8 0.0 0.11 2.2 12.0 11:13a SE 5 33.6 36.0 9:53a 32.2 9:15p 31.3 0.0 0.54 1.4 15.0 11:44p N 6 32.3 35.9 11:59a 28.1 12:00m 32.6 0.0 0.24 2.7 20.0 10:19a N 7 30.0 37.8 3:19p 22.1 6:50a 34.9 0.0 0.00 1.3 11.0 7:37p SSE 8 28.9 31.5 2:33p 26.9 5:49a 36.0 0.0 0.03 2.4 12.0 9:40a SSE 9 17.6 27.7 12:01a 10.4 8:19a 47.1 0.0 0.01 5.1 23.0 1:36p WNW 10 24.9 31.4 3:33p 20.1 11:57p 40.0 0.0 0.04 4.3 21.0 12:59a NW 11 25.0 36.4 1:54p 13.3 7:19a 39.9 0.0 0.03 0.6 8.0 10:09a NW 12 30.7 35.2 12:46p 25.5 5:26a 34.2 0.0 0.00 0.5 8.0 9:18p NNW 13 31.7 40.6 3:25p 27.3 7:49a 33.2 0.0 0.01 1.1 9.0 3:49p SE 14 26.9 31.2 12:31p 19.5 11:56p 38.1 0.0 0.00 2.3 21.0 4:27p NW 15 20.9 25.5 4:17p 15.6 6:57a 44.1 0.0 0.00 4.4 18.0 2:20a WNW 16 26.4 33.3 3:47p 21.2 6:18a 38.5 0.0 0.02 4.7 22.0 4:06p NW 17 27.2 35.8 3:09p 19.1 7:28a 37.7 0.0 0.00 3.4 14.0 1:40p NW 18 31.6 44.0 2:51p 23.4 7:00a 33.3 0.0 0.02 2.4 12.0 11:36a NW 19 34.1 43.1 4:09p 21.1 5:44a 30.9 0.0 0.01 2.1 13.0 4:06p SSE 20 43.9 54.9 1:06p 37.9 12:00m 21.1 0.0 0.00 1.9 11.0 2:12p SSE 21 38.9 41.5 3:05p 36.6 4:23a 26.1 0.0 0.89 1.1 9.0 9:42a E 22 32.8 37.2 12:01a 25.7 11:58p 32.2 0.0 0.10 4.1 19.0 4:50p NW 23 28.7 38.5 3:56p 21.3 5:30a 36.3 0.0 0.00 3.8 20.0 10:17p NW 24 21.9 29.5 3:26p 14.6 7:24a 43.0 0.0 0.00 4.9 18.0 1:58a NW 25 25.0 38.9 4:41p 13.0 6:38a 39.8 0.0 0.00 1.5 12.0 1:38a NW 26 29.7 41.7 3:39p 19.8 6:37a 35.3 0.0 0.00 1.9 15.0 3:05p NW 27 32.1 41.3 1:42p 23.5 6:43a 32.8 0.0 0.00 3.7 19.0 2:18p NW 28 35.2 48.6 3:23p 24.7 6:50a 29.7 0.0 0.00 2.1 11.0 12:48p NW ------------------------------------------------------------------------------------- 30.0 54.9 20 10.4 9 977.7 0.0 2.05 2.6 23.0 9 NW Max >= 90.0: 0 Max <= 32.0: 6 Min <= 32.0: 25 Min <= 0.0: 0 Max Rain: 0.89 ON 02/21/10 Days of Rain: 10 (>.01 in) 4 (>.1 in) 0 (>1 in) Heat Base: 65.0 Cool Base: 65.0 Method: Integration