MONTHLY CLIMATOLOGICAL SUMMARY for SEP. 1999 NAME: home CITY: Lake Forest STATE: CA ELEV: 720 LAT: 33 39.550 N LONG: 117 40.199 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 66.4 78.3 3:20p 58.4 11:20p 0.0 3.4 0.00 3.0 17.0 1:30p SE 2 65.3 77.4 2:40p 56.4 4:40a 0.0 1.9 0.00 2.0 12.0 1:30p ESE 3 66.7 78.4 3:20p 60.3 6:40a 0.0 4.4 0.00 2.5 14.0 4:10p W 4 66.2 78.4 2:20p 60.0 5:10a 0.0 4.2 0.00 2.4 15.0 3:10p W 5 64.9 77.5 3:00p 57.9 4:20a 0.0 2.7 0.00 2.1 14.0 3:30p W 6 67.2 79.8 2:00p 60.7 10:50p 0.0 5.3 0.00 2.5 14.0 3:00p W 7 67.0 82.2 3:20p 57.7 6:10a 0.0 4.9 0.00 3.0 16.0 2:10p W 8 68.0 81.2 1:50p 57.1 5:40a 0.0 4.1 0.00 2.5 16.0 1:20p W 9 69.1 83.5 1:50p 60.2 3:40a 0.0 6.9 0.00 2.5 13.0 3:00p W 10 67.7 81.0 2:40p 58.6 6:40a 0.0 4.8 0.00 2.4 12.0 12:50p W 11 65.4 79.0 2:40p 55.6 6:40a 0.0 2.3 0.00 2.5 14.0 2:40p W 12 66.2 79.6 2:40p 55.9 6:10a 0.0 2.8 0.00 2.4 13.0 1:00p W 13 69.2 83.4 1:30p 59.1 6:00a 0.0 6.3 0.00 2.6 13.0 2:30p W 14 66.5 82.6 3:20p 56.9 6:50a 0.0 4.8 0.00 1.8 12.0 2:40p SE 15 64.9 79.4 2:40p 58.4 12:00m 0.0 3.9 0.00 1.6 12.0 3:40p SE 16 63.8 75.6 3:40p 55.7 4:00a 0.0 0.6 0.00 1.7 11.0 4:40p W 17 65.7 76.8 2:30p 60.5 5:30a 0.0 3.7 0.00 1.8 12.0 3:20p WNW 18 61.3 64.4 1:20p 58.8 8:10p 3.4 0.0 0.00 1.4 9.0 10:20a SE 19 64.2 75.8 3:30p 55.8 12:00m 0.0 0.8 0.00 2.1 12.0 1:20p W 20 64.0 79.5 2:30p 50.6 5:50a 0.0 0.0 0.00 2.5 13.0 2:50p W 21 70.7 81.1 5:00p 58.8 3:50a 0.0 4.9 0.00 2.2 16.0 12:20p WNW 22 74.7 88.0 1:40p 66.1 12:00m 0.0 12.0 0.00 2.6 14.0 2:10p W 23 68.2 78.6 1:10p 63.1 11:10p 0.0 5.8 0.00 2.1 13.0 1:10p W 24 66.9 77.7 1:50p 61.0 7:50a 0.0 4.3 0.00 2.5 15.0 3:20p W 25 66.7 79.1 2:40p 59.8 7:10a 0.0 4.4 0.00 3.0 15.0 2:30p W 26 65.8 78.5 3:20p 59.9 7:00a 0.0 4.2 0.00 1.5 9.0 4:00p SE 27 64.8 76.6 3:10p 58.5 7:30a 0.0 2.5 0.00 1.8 11.0 4:00p SE 28 67.0 81.3 2:40p 59.6 6:50a 0.0 5.5 0.00 2.4 12.0 12:30p W 29 77.9 96.6 2:50p 59.9 2:40a 0.0 13.3 0.00 2.3 13.0 1:50p W 30 79.6 95.6 2:20p 66.3 12:00m 0.0 16.0 0.00 2.4 13.0 2:40p E ------------------------------------------------------------------------------------- 67.4 96.6 29 50.6 20 3.4 140.6 0.00 2.3 17.0 1 W Max >= 90.0: 2 Max <= 32.0: 0 Min <= 32.0: 0 Min <= 0.0: 0 Max Rain: 0.00 ON 9/01/99 Days of Rain: 0 (>.01 in) 0 (>.1 in) 0 (>1 in) Heat Base: 65.0 Cool Base: 65.0 Method: (High + Low) / 2