MONTHLY CLIMATOLOGICAL SUMMARY for JAN. 2003 NAME: GRRec CITY: Grand Rapids STATE: MI ELEV: 725 ft LAT: 42° 57' 51" N LONG: 85° 40' 36" 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 25.5 28.4 4:00p 23.2 8:00a 39.2 0.0 0.00 11.8 33.0 8:00p NE 2 24.7 27.6 4:00p 22.2 8:00a 40.1 0.0 0.00 9.7 28.0 11:00a ENE 3 26.2 29.3 2:00p 24.1 8:00a 38.3 0.0 0.00 6.8 18.0 1:00a N 4 31.7 36.6 1:00p 27.0 1:00a 33.2 0.0 0.00 4.5 17.0 2:00p SSE 5 31.0 34.7 4:00p 29.0 10:00a 33.2 0.0 0.01 3.7 14.0 10:00a ESE 6 27.0 29.5 6:00a 21.9 12:00m 39.3 0.0 0.00 12.7 39.0 7:00a NNW 7 32.7 39.5 11:00p 22.1 1:00a 34.2 0.0 0.00 11.0 36.0 10:00a WSW 8 42.1 46.5 4:00p 36.2 9:00a 23.6 0.0 0.00 8.7 32.0 6:00p SW 9 35.3 45.5 1:00a 23.6 12:00m 30.5 0.0 0.03 14.5 37.0 9:00p WNW 10 20.5 24.4 1:00a 17.5 6:00p 44.0 0.0 0.00 10.8 36.0 2:00p NW 11 18.3 20.0 12:00m 17.5 6:00a 46.3 0.0 0.00 6.8 31.0 2:00p W 12 23.5 30.7 12:00m 19.7 1:00a 39.8 0.0 0.00 9.8 37.0 12:00m SW 13 20.5 34.1 3:00a 16.7 10:00a 39.6 0.0 0.00 13.2 40.0 4:00a NW 14 18.4 21.8 2:00p 16.2 12:00m 46.0 0.0 0.00 5.5 26.0 5:00p WNW 15 16.5 20.5 11:00p 14.3 8:00a 47.6 0.0 0.00 6.8 26.0 1:00p WNW 16 20.0 27.5 3:00p 13.1 5:00a 44.7 0.0 0.00 5.0 21.0 3:00p SSW 17 15.2 20.6 10:00p 9.5 10:00a 50.0 0.0 0.00 8.2 25.0 12:00p N 18 15.3 20.5 8:00p 9.5 8:00a 50.0 0.0 0.00 11.5 36.0 10:00a SSW 19 18.5 24.2 7:00p 15.9 8:00a 45.0 0.0 0.01 11.3 43.0 2:00p WSW 20 14.7 18.1 1:00a 11.9 9:00a 50.0 0.0 0.00 8.3 28.0 2:00a NW 21 11.9 16.2 4:00p 8.8 9:00a 52.5 0.0 0.00 5.8 24.0 4:00p NW 22 10.3 14.4 3:00p 4.3 12:00m 55.7 0.0 0.00 9.5 30.0 4:00p NNW 23 11.2 17.7 8:00p 2.2 4:00a 55.0 0.0 0.00 13.0 40.0 12:00p NW 24 16.4 19.1 1:00p 13.1 12:00m 48.9 0.0 0.00 8.2 27.0 12:00m SW 25 20.1 25.0 9:00p 12.8 2:00a 46.1 0.0 0.04 9.7 29.0 4:00p SW 26 10.3 21.4 1:00a 1.7 12:00m 53.5 0.0 0.00 12.3 32.0 7:00a NNW 27 12.2 17.3 10:00p 1.1 1:00a 55.8 0.0 0.00 9.3 32.0 12:00m SSW 28 24.2 29.4 6:00p 15.4 1:00a 42.6 0.0 0.04 6.3 29.0 1:00a SSW 29 22.1 27.8 1:00a 15.6 12:00m 43.3 0.0 0.00 7.2 25.0 6:00a N 30 24.5 31.9 6:00p 13.3 2:00a 42.4 0.0 0.00 8.0 22.0 1:00p SSE 31 33.7 37.9 2:00p 26.0 1:00a 33.0 0.0 0.15 7.5 25.0 3:00p SSE ------------------------------------------------------------------------------------- 21.8 46.5 8 1.1 27 1343.3 0.0 0.28 8.9 43.0 19 NW Max >= 90.0: 0 Max <= 32.0: 24 Min <= 32.0: 30 Min <= 0.0: 0 Max Rain: 0.15 ON 01/31/03 Days of Rain: 4 (>.01 in) 1 (>.1 in) 0 (>1 in) Heat Base: 65.0 Cool Base: 65.0 Method: (High + Low) / 2