MONTHLY CLIMATOLOGICAL SUMMARY for SEP. 2010 NAME: SK CITY: Chesterfield STATE: MO 63017 ELEV: 530 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 76.8 81.8 12:05a 73.4 9:00p 0.0 11.8 0.08 1.4 13.0 2:30a S 2 78.3 89.9 4:40p 69.8 12:00m 0.0 13.3 0.29 3.0 15.0 4:45p SSW 3 68.7 77.0 4:20p 61.9 6:55a 0.4 4.1 0.00 3.3 19.0 12:15p NW 4 58.8 63.2 12:05a 55.6 7:05a 2.3 0.0 0.00 0.4 7.0 1:30a WNW 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ------------------------------------------------------------------------------------- 70.7 89.9 2 55.6 4 2.7 29.2 0.37 2.0 19.0 3 NW Max >= 90.0: 0 Max <= 32.0: 0 Min <= 32.0: 0 Min <= 0.0: 0 Max Rain: 0.29 ON 09/02/10 Days of Rain: 2 (>.01 in) 1 (>.1 in) 0 (>1 in) Heat Base: 65.0 Cool Base: 65.0 Method: Integration