MONTHLY CLIMATOLOGICAL SUMMARY for JUL. 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 16.8 20.1 2:10p 14.7 6:00a 1.7 0.2 0.10 4.2 24.1 12:45p WNW 2 17.3 20.9 12:15p 14.3 6:00a 1.6 0.5 0.08 5.6 32.2 5:30p NW 3 16.0 18.3 6:45p 14.2 12:00m 2.3 0.0 0.06 9.2 37.0 11:30a NW 4 16.3 21.0 5:30p 11.1 5:05a 2.7 0.7 0.00 6.9 46.7 3:10p NW 5 19.4 26.2 4:25p 12.7 2:15a 1.7 2.7 0.19 6.3 32.2 9:20p WNW 6 18.9 23.8 4:10p 13.1 4:20a 1.4 2.0 0.01 6.3 46.7 4:10p NNE 7 15.8 19.5 6:10p 13.4 5:15a 2.5 0.1 0.00 8.0 33.8 1:35p NW 8 16.7 22.0 3:30p 11.2 3:00a 2.5 0.9 0.00 6.3 29.0 10:00a WNW 9 19.8 26.1 3:30p 13.3 2:20a 1.3 2.9 0.00 5.8 29.0 10:50p ESE 10 21.4 26.3 12:45p 15.7 6:45a 0.6 3.6 0.00 7.4 33.8 2:20p SSW 11 22.3 27.3 3:55p 14.8 12:00m 0.2 4.2 0.06 12.6 46.7 12:50p W 12 16.9 23.3 3:55p 9.9 6:00a 2.5 1.2 0.00 6.8 40.2 1:45p WSW 13 17.5 22.9 4:35p 9.2 5:55a 2.3 1.5 0.00 7.6 37.0 2:50p WNW 14 17.7 24.1 4:20p 9.5 5:55a 2.4 1.8 0.00 4.7 35.4 4:40p NNW 15 19.8 24.9 3:05p 12.6 6:35a 1.4 2.9 0.03 8.0 37.0 3:05p SSW 16 22.2 27.0 6:10p 18.5 12:00m 0.0 3.9 0.00 11.3 41.8 3:10p W 17 17.7 21.8 4:50p 14.2 12:00m 1.2 0.6 0.20 6.0 32.2 1:55p NNW 18 15.9 19.5 2:30p 13.4 6:50a 2.5 0.1 0.12 8.0 37.0 1:45p WNW 19 17.5 22.6 5:10p 14.4 4:40a 1.7 0.9 0.05 6.9 25.7 9:35a NW 20 18.9 24.6 3:30p 13.8 1:45a 1.4 1.9 0.00 4.8 37.0 5:15p ENE 21 18.7 22.3 3:05p 15.4 4:20a 0.9 1.2 0.00 10.6 40.2 6:05p ESE 22 19.7 23.3 2:40p 16.9 6:20a 0.4 1.8 0.07 11.4 30.6 1:30a ESE 23 18.9 22.9 3:20p 16.9 11:55p 0.3 0.9 0.24 8.5 33.8 6:05p ESE 24 20.1 25.3 5:15p 16.0 5:40a 0.5 2.4 0.00 5.6 29.0 12:20p W 25 20.4 24.8 5:25p 17.8 6:40p 0.0 2.1 0.30 8.2 43.5 6:05p S 26 19.3 24.5 2:20p 16.2 6:15a 0.5 1.5 0.11 9.0 48.3 2:05p WSW 27 20.4 25.7 3:20p 15.6 6:15a 0.6 2.7 0.00 9.8 38.6 2:45p W 28 22.9 26.7 4:00p 19.6 6:20a 0.0 4.7 0.00 14.5 51.5 4:55p WSW 29 20.8 24.2 5:45p 15.8 12:00m 0.1 2.7 0.27 4.5 27.4 6:20a NNW 30 20.0 25.4 4:00p 14.3 6:40a 1.1 2.8 0.00 5.1 32.2 3:10p W 31 20.9 26.0 2:50p 16.6 6:25a 0.4 2.9 0.00 4.2 32.2 5:55p NNW ------------------------------------------------------------------------------------- 18.9 27.3 11 9.2 13 38.6 58.5 1.89 7.6 51.5 28 NW Max >= 32.0: 0 Max <= 0.0: 0 Min <= 0.0: 0 Min <= -18.0: 0 Max Rain: 0.30 ON 07/25/09 Days of Rain: 14 (>.01 in) 7 (>.1 in) 0 (>1 in) Heat Base: 18.3 Cool Base: 18.3 Method: Integration