MONTHLY CLIMATOLOGICAL SUMMARY for SEP. 1998 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 85.4 97.7 2:00p 76.5 7:00a 0.0 22.1 0.00 0.9 8.0 2:30p SW 2 80.4 97.8 2:00p 70.2 7:30a 0.0 19.0 0.00 0.9 20.0 3:00p SW 3 81.9 100.3 2:00p 72.2 5:00a 0.0 21.3 0.20 1.4 10.0 12:00p NNE 4 70.9 75.8 12:30a 69.3 8:00a 0.0 7.6 0.11 0.4 6.0 4:30a S 5 70.9 75.3 3:30p 68.1 5:30a 0.0 6.7 0.02 0.9 7.0 4:30p W 6 73.5 82.4 5:30p 68.9 6:00a 0.0 10.7 0.00 1.2 8.0 1:30p W 7 73.1 83.8 2:30p 67.4 6:30a 0.0 10.6 0.00 1.1 9.0 1:30p W 8 73.5 86.7 2:30p 67.8 6:00a 0.0 12.3 0.00 1.0 9.0 4:00p WSW 9 72.7 86.4 2:30p 66.9 7:00a 0.0 11.7 0.00 1.0 11.0 3:30p WSW 10 72.2 84.5 2:30p 66.3 7:00a 0.0 10.4 0.00 1.2 8.0 1:30p W 11 71.2 84.6 2:30p 63.6 6:00a 0.0 9.1 0.00 1.0 9.0 4:00p SW 12 70.3 83.5 2:30p 61.3 7:30a 0.0 7.4 0.00 1.1 9.0 1:00p WSW 13 69.0 83.8 2:30p 61.0 5:30a 0.0 7.4 0.00 1.1 8.0 2:00p W 14 69.4 83.8 2:30p 62.1 7:30a 0.0 8.0 0.00 1.4 8.0 1:00p W 15 68.6 82.6 2:30p 61.4 4:00a 0.0 7.0 0.00 1.4 10.0 2:30p W 16 68.5 83.1 2:30p 59.5 5:30a 0.0 6.3 0.00 1.2 8.0 2:30p W 17 68.1 82.3 2:30p 59.9 4:30a 0.0 6.1 0.00 1.1 9.0 2:00p W 18 68.2 85.7 2:30p 57.1 6:00a 0.0 6.4 0.00 0.8 8.0 3:30p SW 19 67.6 83.4 2:30p 57.7 6:00a 0.0 5.6 0.00 0.5 7.0 3:00p S 20 68.0 77.1 3:30p 63.9 5:30a 0.0 5.5 0.00 0.6 8.0 12:30a S 21 67.4 72.3 2:00p 63.8 7:00a 0.0 3.1 0.00 0.4 8.0 2:00p S 22 67.2 75.9 1:30p 63.3 7:00a 0.0 4.6 0.00 1.2 9.0 1:30p WSW 23 65.9 74.9 1:30p 59.3 12:00m 0.0 2.1 0.00 1.2 9.0 3:00p W 24 64.0 73.1 1:30p 56.9 3:30a 0.0 0.0 0.00 0.7 8.0 2:00p SW 25 64.4 74.2 2:00p 58.1 7:30a 0.0 1.1 0.00 0.9 10.0 2:00p WSW 26 63.2 71.7 3:30p 56.8 5:00a 0.8 0.0 0.00 0.3 7.0 5:00p S 27 64.6 78.8 4:30p 57.6 12:00m 0.0 3.2 0.01 1.1 11.0 5:00p SW 28 61.1 76.6 4:00p 52.4 7:00a 0.5 0.0 0.00 1.4 13.0 3:30p SSE 29 62.2 77.3 3:30p 53.0 4:00a 0.0 0.2 0.00 1.0 10.0 3:00p SSE 30 64.4 79.8 4:30p 54.2 5:00a 0.0 2.0 0.00 1.0 10.0 12:30p SSE ------------------------------------------------------------------------------------- 69.6 100.3 3 52.4 28 1.3 217.1 0.34 1.0 20.0 2 W Max >= 90.0: 3 Max <= 32.0: 0 Min <= 32.0: 0 Min <= 0.0: 0 Max Rain: 0.20 ON 9/03/98 Days of Rain: 3 (>.01 in) 2 (>.1 in) 0 (>1 in) Heat Base: 65.0 Cool Base: 65.0 Method: (High + Low) / 2