MONTHLY CLIMATOLOGICAL SUMMARY for DEC. 2009 NAME: MeteoWesterlo CITY: Westerlo STATE: Belgium ELEV: 23 m LAT: 51° 08' 05" N LONG: 4° 54' 08" E TEMPERATURE (°C), RAIN (mm), WIND SPEED (km/hr) HEAT COOL AVG MEAN DEG DEG WIND DOM DAY TEMP HIGH TIME LOW TIME DAYS DAYS RAIN SPEED HIGH TIME DIR ------------------------------------------------------------------------------------ 1 3.4 7.2 13:50 -0.8 22:30 14.8 0.0 0.2 1.1 14.5 10:40 NNE 2 4.1 6.8 23:40 0.2 0:10 14.2 0.0 2.4 7.2 48.3 14:30 S 3 8.2 10.6 12:30 4.5 23:30 10.2 0.0 3.0 12.6 46.7 11:30 S 4 3.8 5.3 18:40 1.7 8:10 14.5 0.0 6.2 9.8 37.0 2:30 SW 5 7.0 9.9 00:00 3.6 0:10 11.3 0.0 10.6 11.1 37.0 8:50 SSW 6 10.2 12.8 12:20 6.3 22:40 8.2 0.0 2.4 13.0 49.9 11:00 SSW 7 7.1 9.7 13:00 4.6 6:30 11.2 0.0 0.6 8.0 35.4 14:40 SSW 8 6.7 8.5 1:50 4.1 21:30 11.6 0.0 4.4 6.1 41.8 1:50 W 9 7.2 9.7 00:00 3.3 2:30 11.1 0.0 1.4 4.5 24.1 13:30 S 10 9.5 11.0 4:20 7.9 23:50 8.8 0.0 6.4 9.8 37.0 12:10 WNW 11 7.1 8.6 1:20 3.2 21:50 11.2 0.0 0.6 7.2 35.4 11:30 NNE 12 3.8 5.2 3:00 1.6 21:00 14.5 0.0 0.0 7.4 33.8 12:20 NNE 13 1.4 3.0 15:00 -0.3 19:30 16.9 0.0 0.0 6.9 29.0 11:40 NNE 14 -1.8 0.8 13:50 -3.6 00:00 20.1 0.0 0.0 3.2 17.7 13:40 NNE 15 -3.3 0.9 14:50 -6.4 5:10 21.6 0.0 0.2 1.4 14.5 14:10 NE 16 -4.3 -1.3 14:30 -8.4 6:00 22.6 0.0 0.0 1.9 20.9 14:50 SSW 17 -1.6 0.2 12:30 -5.6 0:30 19.9 0.0 0.2 4.2 24.1 18:40 SSW 18 -3.7 -1.7 0:10 -6.3 9:30 22.0 0.0 0.0 4.5 22.5 11:00 NNW 19 -8.8 -3.8 1:10 -12.7 18:30 27.2 0.0 0.0 3.9 38.6 1:40 NNE 20 -3.2 0.8 16:10 -7.1 1:20 21.6 0.0 0.0 10.5 40.2 7:00 SSW 21 -2.1 0.8 17:40 -6.0 9:30 20.4 0.0 0.2 4.5 25.7 3:00 ESE 22 0.6 1.9 14:00 -0.8 23:50 17.7 0.0 1.4 3.2 22.5 12:00 SW 23 -0.2 3.0 15:00 -3.2 23:10 18.5 0.0 1.8 5.5 30.6 12:00 SSE 24 -0.4 3.2 14:40 -4.9 4:00 18.8 0.0 6.2 1.4 19.3 20:50 SSE 25 2.2 3.6 12:40 0.4 6:50 16.1 0.0 15.4 9.8 43.5 11:10 W 26 3.4 7.2 14:20 0.8 2:00 14.9 0.0 0.2 10.8 37.0 13:50 SW 27 4.1 5.2 18:10 2.5 1:20 14.2 0.0 1.4 13.0 41.8 11:50 SW 28 2.9 6.1 15:00 -1.4 21:40 15.4 0.0 0.8 4.8 35.4 0:50 W 29 0.9 2.8 23:50 -1.2 7:00 17.4 0.0 9.2 2.9 16.1 11:00 ENE 30 3.7 6.2 12:00 1.1 23:50 14.6 0.0 7.4 2.6 17.7 13:20 ENE 31 0.1 1.1 0:10 -0.4 22:40 18.2 0.0 2.0 7.2 25.7 11:40 NNE ------------------------------------------------------------------------------------- 2.2 12.8 6 -12.7 19 499.6 0.0 84.6 6.5 49.9 6 NNE Max >= 32.0: 0 Max <= 0.0: 3 Min <= 0.0: 16 Min <= -18.0: 0 Max Rain: 15.39 ON 25/12/09 Days of Rain: 24 (> .2 mm) 12 (> 2 mm) 0 (> 20 mm) Heat Base: 18.3 Cool Base: 18.3 Method: Integration