MONTHLY CLIMATOLOGICAL SUMMARY for AUG. 2009 NAME: London CITY: London STATE: Ontario ELEV: 950 ft LAT: 42° 59' 00" N LONG: 81° 14' 00" W TEMPERATURE (°C), RAIN (in), 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 21.1 25.7 1:40p 15.6 5:00a 0.6 3.4 0.00 9.7 48.3 4:35p SW 2 20.5 23.4 4:20p 15.9 12:00m 0.1 2.3 0.00 8.4 41.8 12:30p WNW 3 19.8 24.2 4:45p 12.6 6:35a 1.4 2.9 0.00 12.7 57.9 3:50p SW 4 23.6 28.7 4:10p 17.0 12:00m 0.0 5.3 0.00 16.1 48.3 4:00p WSW 5 17.8 23.1 3:55p 10.7 6:45a 2.0 1.5 0.00 5.8 32.2 1:50p NNW 6 19.1 24.0 6:55p 13.8 6:35a 1.2 1.9 0.00 4.7 24.1 4:45p NNW 7 18.5 22.9 1:55p 14.3 6:30a 1.2 1.4 0.00 5.6 33.8 2:10p NW 8 18.4 20.4 11:05a 16.8 12:05a 0.4 0.5 0.58 8.2 37.0 5:45p SSW 9 25.1 31.2 5:25p 19.8 1:05a 0.0 6.8 0.76 12.6 56.3 9:35p WSW 10 24.4 28.6 1:30p 21.3 11:55p 0.0 6.1 0.01 8.5 30.6 10:25a W 11 22.2 27.0 2:50p 17.3 11:35p 0.0 3.9 0.19 6.1 33.8 5:30p NNW 12 19.8 26.8 3:20p 16.3 2:50a 0.5 2.0 0.14 6.8 32.2 4:35p NNW 13 22.5 29.0 4:55p 17.4 6:35a 0.2 4.4 0.00 3.2 29.0 1:15p NNE 14 22.8 28.3 4:20p 16.4 6:30a 0.2 4.7 0.00 3.9 27.4 2:50p SW 15 23.7 29.8 3:55p 17.3 7:00a 0.1 5.4 0.00 4.2 27.4 4:35p SW 16 24.7 29.9 3:15p 18.7 4:45a 0.0 6.4 0.00 7.9 35.4 2:40p SW 17 25.9 30.3 3:55p 22.3 6:45a 0.0 7.6 0.00 10.8 41.8 5:05p WSW 18 24.0 27.7 5:50p 21.4 7:55a 0.0 5.7 0.01 12.2 40.2 2:35p WSW 19 22.2 27.3 4:35p 17.7 7:00a 0.0 3.9 0.00 4.7 22.5 12:30p NW 20 23.4 27.3 3:40p 21.3 11:55p 0.0 5.1 0.21 14.6 56.3 3:40p WSW 21 22.0 25.0 5:00p 18.9 6:40a 0.0 3.7 0.01 15.0 57.9 1:10p WSW 22 17.8 19.6 5:15p 14.7 11:45p 0.7 0.2 0.36 6.1 37.0 3:00p NNW 23 17.5 22.5 1:50p 13.6 3:40a 1.8 1.1 0.00 6.0 30.6 7:15p NNW 24 17.2 23.4 4:40p 12.3 6:15a 2.3 1.2 0.00 3.2 20.9 4:35p N 25 20.2 26.0 3:25p 14.4 6:20a 1.0 2.9 0.00 9.7 45.1 4:50p WSW 26 18.9 23.2 4:35p 14.6 12:00m 0.6 1.2 0.14 7.9 29.0 7:40a NW 27 16.8 21.7 3:15p 11.6 5:20a 2.3 0.8 0.00 6.8 22.5 11:10a ENE 28 16.4 18.6 12:40p 13.9 9:50p 1.9 0.0 1.21 13.8 45.1 3:40p E 29 17.0 21.4 5:50p 14.2 12:00m 1.7 0.4 0.01 11.7 45.1 5:55p W 30 14.2 17.3 4:35p 11.2 12:00m 4.1 0.0 0.30 11.4 45.1 5:10p NNW 31 14.3 20.3 3:00p 8.2 5:00a 4.2 0.2 0.00 4.2 24.1 2:35p NNW ------------------------------------------------------------------------------------- 20.4 31.2 9 8.2 31 28.7 93.0 3.93 8.5 57.9 3 WSW Max >= 32.0: 0 Max <= 0.0: 0 Min <= 0.0: 0 Min <= -18.0: 0 Max Rain: 1.21 ON 08/28/09 Days of Rain: 9 (>.01 in) 9 (>.1 in) 1 (>1 in) Heat Base: 18.3 Cool Base: 18.3 Method: Integration