MONTHLY CLIMATOLOGICAL SUMMARY for DEC. 2009 NAME: Envoy CITY: Wolf Point STATE: Montana ELEV: 1987 ft LAT: 48° 06' 00" N LONG: 105° 30' 00" 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 28.8 37.0 12:10a 21.9 11:00p 36.2 0.0 0.00 12.8 40.0 12:50a WNW 2 19.3 23.0 12:20p 14.7 12:00m 45.7 0.0 0.00 8.1 24.0 10:20a NNW 3 12.3 22.9 2:10p -2.7 12:00m 52.7 0.0 0.00 4.8 17.0 9:10a W 4 6.9 18.7 2:50p -7.0 7:00a 58.1 0.0 0.00 1.2 7.0 11:50a E 5 12.7 18.7 5:50a 1.4 11:20p 52.3 0.0 0.00 5.4 18.0 10:10a NNE 6 7.2 17.3 11:40a -7.5 11:50p 57.8 0.0 0.00 5.1 17.0 2:20p N 7 -4.8 5.9 2:00p -11.1 12:00m 69.8 0.0 0.00 2.7 14.0 1:10p WSW 8 -8.5 3.5 1:30p -15.5 11:30p 73.5 0.0 0.00 2.1 11.0 2:10p WSW 9 -4.9 3.8 9:10p -18.5 7:00a 69.9 0.0 0.00 6.3 23.0 10:00p WSW 10 1.3 12.5 11:20a -10.0 4:40a 63.7 0.0 0.00 6.3 29.0 12:20p W 11 6.2 24.1 2:00p -9.8 5:50a 58.8 0.0 0.00 3.0 19.0 1:30p WSW 12 1.1 11.3 12:10a -10.5 12:00m 63.9 0.0 0.00 9.5 22.0 2:00p NE 13 -9.3 -6.0 2:30p -13.1 6:30a 74.3 0.0 0.00 3.3 11.0 12:10a NE 14 -15.6 -4.3 2:10p -26.6 7:40a 80.6 0.0 0.00 4.3 19.0 2:50p WSW 15 -12.5 4.1 3:40p -30.9 3:20a 77.5 0.0 0.00 2.4 14.0 2:50p ENE 16 7.1 21.6 5:20p -6.6 12:10a 57.9 0.0 0.00 1.2 7.0 1:40a E 17 17.5 34.4 1:20p 6.6 12:20a 47.5 0.0 0.01 3.0 15.0 1:20p WSW 18 14.6 29.8 2:30p 2.5 11:00p 50.4 0.0 0.00 3.3 12.0 1:50a WSW 19 18.2 32.8 7:10p 3.0 1:00a 46.8 0.0 0.00 3.3 19.0 1:40p N 20 15.1 23.3 12:10a 3.6 4:40a 49.9 0.0 0.00 0.9 6.0 1:00a SW 21 19.9 22.1 3:10p 17.5 6:40a 45.1 0.0 0.00 6.7 17.0 9:20a ENE 22 22.6 24.6 2:20p 21.2 1:10a 42.4 0.0 0.00 6.0 15.0 3:30a ENE 23 8.8 21.8 2:30a -12.9 11:00p 56.2 0.0 0.00 8.8 26.0 12:20p W 24 -12.3 -4.2 2:10p -19.7 3:30a 77.3 0.0 0.00 7.2 17.0 2:00p WSW 25 -0.9 13.4 11:00p -16.8 2:50a 65.9 0.0 0.00 8.7 24.0 4:10p WSW 26 -0.2 11.8 12:10a -10.1 10:50p 65.2 0.0 0.00 9.2 21.0 4:20a WSW 27 -2.0 7.3 2:50p -11.3 5:50a 67.0 0.0 0.01 10.5 25.0 1:10p WSW 28 3.1 11.0 2:00p -5.1 5:00a 61.9 0.0 0.00 2.2 11.0 12:10a ENE 29 0.5 15.3 2:20p -10.9 6:50a 64.5 0.0 0.00 2.9 18.0 1:30p ENE 30 -0.7 9.9 5:30p -13.5 7:40a 65.7 0.0 0.00 3.9 12.0 10:50a WSW 31 -1.1 6.4 12:10a -11.4 8:20a 66.1 0.0 0.00 3.9 13.0 1:10p WSW ------------------------------------------------------------------------------------- 4.9 37.0 1 -30.9 15 1864.6 0.0 0.02 5.1 40.0 1 WSW Max >= 90.0: 0 Max <= 32.0: 28 Min <= 32.0: 31 Min <= 0.0: 22 Max Rain: 0.01 ON 12/17/09 Days of Rain: 0 (>.01 in) 0 (>.1 in) 0 (>1 in) Heat Base: 65.0 Cool Base: 65.0 Method: Integration