MONTHLY CLIMATOLOGICAL SUMMARY for DEC. 2009 NAME: Bracknell SU863682 CITY: Bracknell STATE: Berkshire ELEV: 77 m LAT: 51° 24' 21" N LONG: 0° 45' 40" W TEMPERATURE (°C), RAIN (mm), WIND SPEED (kt) HEAT COOL AVG MEAN DEG DEG WIND DOM DAY TEMP HIGH TIME LOW TIME DAYS DAYS RAIN SPEED HIGH TIME DIR ------------------------------------------------------------------------------------ 1 2.5 6.6 22:20 -1.5 8:20 15.5 0.0 0.4 2.3 20.0 22:40 NW 2 8.4 10.8 11:40 6.1 0:10 9.6 0.0 14.8 3.7 23.5 1:00 SSE 3 4.3 7.4 0:10 1.2 23:30 13.7 0.0 0.6 4.1 23.5 12:20 W 4 4.9 9.0 00:00 0.8 6:10 13.1 0.0 1.0 3.0 16.5 21:20 WSW 5 9.8 11.9 00:00 7.6 8:30 8.2 0.0 5.0 6.1 25.2 22:30 SSW 6 9.9 12.5 2:30 7.2 23:00 8.1 0.0 7.0 7.8 32.2 6:10 SSW 7 7.7 10.7 11:10 4.7 23:40 10.3 0.0 3.6 6.3 28.7 11:00 S 8 7.8 11.4 00:00 4.2 7:30 10.2 0.0 1.4 4.3 24.3 18:30 SW 9 10.4 12.2 14:00 8.7 7:00 7.6 0.0 0.0 2.2 16.5 23:40 SSW 10 5.9 11.0 12:50 0.8 00:00 12.1 0.0 0.4 2.3 13.0 0:20 W 11 2.7 6.2 15:00 -0.8 4:20 15.3 0.0 0.2 1.6 13.0 16:40 NNE 12 5.3 8.8 13:20 1.9 5:50 12.7 0.0 0.0 2.9 16.5 14:10 NNE 13 5.1 7.2 12:50 3.0 2:00 12.9 0.0 0.0 3.8 18.3 15:40 N 14 3.0 5.3 13:40 0.7 7:50 15.0 0.0 1.0 0.7 7.8 4:40 N 15 0.3 2.9 0:10 -2.3 00:00 17.7 0.0 0.4 1.1 9.6 5:40 ESE 16 -0.8 2.8 23:50 -4.3 4:10 18.8 0.0 4.4 1.0 8.7 13:10 S 17 1.4 3.7 14:00 -1.0 22:40 16.6 0.0 0.8 6.5 27.8 14:00 NNW 18 -0.5 1.3 12:30 -2.3 00:00 18.5 0.0 6.0 6.4 24.3 1:10 N 19 -2.1 1.3 00:00 -5.4 7:10 20.1 0.0 0.2 2.4 13.0 00:00 NNW 20 -0.5 2.1 14:00 -3.1 8:40 18.5 0.0 1.4 3.5 14.8 5:30 SW 21 -1.2 1.9 13:10 -4.3 5:20 19.2 0.0 17.8 1.2 12.2 12:20 SSW 22 -1.1 1.5 13:10 -3.7 00:00 19.1 0.0 1.4 1.4 10.4 12:30 SSW 23 -1.5 3.9 19:10 -6.8 5:40 19.5 0.0 11.8 1.7 16.5 23:50 SSW 24 3.5 5.3 13:20 1.8 0:10 14.5 0.0 2.6 2.3 14.8 3:50 SE 25 3.3 5.4 23:40 1.1 8:10 14.7 0.0 0.6 3.1 14.8 00:00 WNW 26 7.0 8.8 13:40 5.1 21:40 11.0 0.0 3.0 6.1 27.8 2:10 SSW 27 4.1 7.3 12:40 0.9 00:00 13.9 0.0 0.0 5.8 22.6 7:20 SSW 28 1.1 5.3 14:00 -3.1 8:20 16.9 0.0 0.2 1.4 11.3 23:40 WSW 29 3.0 4.1 12:20 1.9 0:10 15.0 0.0 10.4 5.1 20.0 9:20 ENE 30 3.9 4.9 10:20 2.9 19:30 14.1 0.0 5.2 4.2 16.5 15:30 NE 31 2.4 4.1 14:50 0.7 00:00 15.6 0.0 0.0 5.8 20.0 11:10 NNE ------------------------------------------------------------------------------------- 3.6 12.5 6 -6.8 23 447.9 0.0 101.6 3.5 32.2 6 SSW Max >= 32.0: 0 Max <= 0.0: 0 Min <= 0.0: 12 Min <= -18.0: 0 Max Rain: 17.81 ON 21/12/09 Days of Rain: 26 (> .2 mm) 12 (> 2 mm) 0 (> 20 mm) Heat Base: 18.0 Cool Base: 18.0 Method: (High + Low) / 2