MONTHLY CLIMATOLOGICAL SUMMARY for DEC. 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
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1 54.4 63.1 1:20p 48.1 12:00m 9.4 0.0 0.00 1.6 10.0 12:40p E
2 53.6 65.1 2:10p 46.5 2:00a 9.2 0.0 0.00 1.7 13.0 12:00p E
3 56.2 66.8 1:40p 46.0 4:00a 8.6 0.0 0.00 4.7 32.0 10:00p ESE
4 56.7 67.4 2:00p 49.2 12:00m 6.7 0.0 0.00 2.9 22.0 12:50a W
5 53.7 64.3 3:00p 45.7 7:10a 10.0 0.0 0.00 1.6 12.0 12:40p E
6 52.6 65.1 1:50p 44.3 6:40a 10.3 0.0 0.00 1.7 10.0 2:00p E
7 52.1 63.8 2:00p 44.7 6:50a 10.8 0.0 0.00 1.6 12.0 3:40p E
8 55.1 65.0 1:40p 46.9 1:30a 9.0 0.0 0.00 4.2 31.0 5:30a N
9 53.9 64.1 2:10p 49.0 3:40a 8.5 0.0 0.00 1.4 12.0 1:10p ESE
10 52.4 62.3 2:30p 46.2 7:20a 10.8 0.0 0.00 4.1 32.0 2:30p W
11 59.7 68.1 3:00p 47.8 12:20a 7.1 0.0 0.00 9.3 37.0 7:20a NNE
12 54.3 65.9 1:40p 46.1 7:10a 9.0 0.0 0.00 1.6 9.0 1:30p E
13 51.1 62.0 1:30p 43.3 6:50a 12.4 0.0 0.00 1.5 13.0 2:30p E
14 54.0 67.3 2:00p 43.3 7:00a 9.7 0.0 0.00 1.8 11.0 5:00p NE
15 56.7 73.3 2:40p 47.4 5:50a 4.6 0.0 0.00 2.1 19.0 1:40p ESE
16 60.9 73.9 2:00p 51.5 7:00a 2.3 0.0 0.00 1.8 10.0 12:20p E
17 61.4 73.8 2:20p 52.6 7:00a 1.8 0.0 0.00 1.5 9.0 2:20p E
18 60.3 74.2 1:40p 52.2 10:50p 1.8 0.0 0.00 1.3 9.0 2:30p ENE
19 64.1 78.9 2:10p 48.8 6:40a 1.1 0.0 0.00 3.7 31.0 3:20p E
20 66.2 76.3 1:40p 57.2 7:30a 0.0 1.8 0.00 3.1 21.0 2:30a ESE
21 61.6 71.7 1:40p 52.7 7:10a 2.8 0.0 0.00 2.5 24.0 9:30p E
22 62.0 67.1 2:50p 54.4 12:00m 4.3 0.0 0.00 8.8 37.0 2:10p N
23 61.7 73.6 2:00p 53.4 1:00a 1.5 0.0 0.00 3.6 23.0 8:10a NE
24 63.1 74.2 2:20p 52.5 12:20a 1.7 0.0 0.00 3.1 16.0 4:10a N
25 60.8 72.3 1:20p 52.2 3:20a 2.7 0.0 0.00 2.4 14.0 11:00a E
26 59.1 68.0 12:20p 52.6 5:10a 4.7 0.0 0.00 2.6 15.0 12:40p E
27 61.0 73.3 2:30p 52.2 6:00a 2.2 0.0 0.00 2.8 17.0 3:50p E
28 59.9 72.4 1:50p 51.6 7:30a 3.0 0.0 0.00 1.8 12.0 1:40p E
29 56.4 67.5 2:00p 48.8 7:10a 6.9 0.0 0.00 1.5 8.0 12:40p E
30 52.6 64.0 2:10p 45.1 5:40a 10.5 0.0 0.00 1.6 10.0 1:30p E
31 51.5 57.1 2:00p 47.1 10:00p 12.9 0.0 0.02 1.5 15.0 1:50p ESE
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57.4 78.9 19 43.3 13 196.1 1.8 0.02 2.8 37.0 11 E
Max >= 90.0: 0
Max <= 32.0: 0
Min <= 32.0: 0
Min <= 0.0: 0
Max Rain: 0.02 ON 12/31/99
Days of Rain: 1 (>.01 in) 0 (>.1 in) 0 (>1 in)
Heat Base: 65.0 Cool Base: 65.0 Method: (High + Low) / 2