MONTHLY CLIMATOLOGICAL SUMMARY for JAN. 2012 NAME: SK CITY: Chesterfield STATE: MO 63017 ELEV: 545 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 42.2 55.6 1:08a 32.6 11:59p 22.8 0.0 0.00 8.5 34.0 3:41p WNW 2 27.9 32.6 12:01a 22.0 11:56p 36.8 0.0 0.00 7.4 31.0 1:02p NW 3 27.8 38.4 3:27p 15.9 7:27a 37.0 0.0 0.00 3.3 19.0 3:39p S 4 41.2 50.3 2:04p 32.8 12:01a 23.8 0.0 0.00 4.2 19.0 2:13p WNW 5 50.9 66.4 3:10p 33.1 3:26a 14.1 0.0 0.00 3.4 19.0 9:19a WSW 6 56.3 69.8 2:49p 45.9 11:57p 9.3 0.6 0.00 3.7 20.0 1:56p WSW 7 43.3 51.1 1:34p 37.1 7:55a 21.6 0.0 0.00 2.1 13.0 11:51a NW 8 37.3 45.5 4:21p 28.3 7:12a 26.3 0.0 0.00 0.5 8.0 12:15p N 9 36.9 50.9 3:00p 26.4 7:29a 27.8 0.0 0.00 0.9 10.0 12:10p WSW 10 39.6 55.9 3:34p 26.2 8:08a 25.2 0.0 0.00 0.7 11.0 12:46p SSE 11 44.1 55.8 3:42p 35.3 12:00m 20.8 0.0 0.02 2.2 23.0 11:34p NW 12 20.0 35.3 12:01a 14.7 5:31p 44.8 0.0 0.00 7.7 27.0 4:48p WNW 13 17.2 24.3 4:25p 12.3 11:27p 47.5 0.0 0.00 3.6 20.0 1:54a WNW 14 25.5 35.4 12:04p 13.0 12:01a 39.3 0.0 0.00 2.2 16.0 2:45p SSE 15 34.0 60.1 4:04p 19.7 3:24a 30.8 0.0 0.10 5.0 28.0 1:32p S 16 56.3 65.9 3:22p 43.8 12:06a 8.6 0.0 0.03 7.1 24.0 11:06a SSW 17 36.2 64.5 1:43a 21.0 11:57p 28.7 0.0 1.20 6.8 28.0 1:48a NW 18 25.2 35.1 4:19p 14.0 7:14a 39.6 0.0 0.00 3.3 14.0 2:33p S 19 28.2 34.4 9:31a 17.5 11:50p 36.6 0.0 0.00 2.6 16.0 3:28p N 20 22.4 28.1 1:55p 15.6 4:18a 42.4 0.0 0.00 3.0 14.0 10:40p E 21 25.5 32.8 3:28p 20.4 5:08a 39.3 0.0 0.00 3.9 22.0 10:58p N 22 38.5 54.1 11:56p 27.1 12:36a 26.5 0.0 0.00 6.1 21.0 12:12a SSE 23 41.3 54.8 1:07a 31.5 11:57p 23.6 0.0 0.00 6.0 29.0 6:39a WNW 24 35.1 47.3 2:57p 26.4 7:35a 29.8 0.0 0.00 1.5 9.0 10:45a WNW 25 32.6 34.5 7:56p 31.4 4:19a 32.2 0.0 0.89 2.2 12.0 7:16p SE 26 35.2 39.1 6:12p 32.6 1:44a 29.7 0.0 0.31 1.8 12.0 4:25p WNW 27 36.9 41.4 4:21p 31.4 7:31a 28.0 0.0 0.13 1.9 16.0 3:30a WNW 28 35.5 43.1 3:45p 28.7 7:29a 29.4 0.0 0.06 4.7 25.0 4:49a WNW 29 39.1 48.4 3:26p 33.3 9:39p 25.8 0.0 0.00 3.7 19.0 8:18a WSW 30 51.4 66.4 3:14p 35.2 3:59a 13.6 0.0 0.00 4.7 22.0 9:48a S 31 58.1 64.8 4:06p 50.4 7:06a 6.9 0.0 0.00 5.5 23.0 1:51p SSW ------------------------------------------------------------------------------------- 36.8 69.8 6 12.3 13 868.6 0.6 2.74 3.9 34.0 1 WNW Max >= 90.0: 0 Max <= 32.0: 2 Min <= 32.0: 20 Min <= 0.0: 0 Max Rain: 1.20 ON 01/17/12 Days of Rain: 8 (>.01 in) 4 (>.1 in) 1 (>1 in) Heat Base: 65.0 Cool Base: 65.0 Method: Integration