MONTHLY CLIMATOLOGICAL SUMMARY for DEC. 2008 NAME: Alvarado CITY: Los Altos STATE: CA ELEV: 0 ft LAT: 37° 24' 00" N LONG: 122° 06' 00" 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 52.2 58.1 4:00p 46.2 5:00a 12.8 0.0 0.01 0.5 6.0 12:30p NNW 2 56.2 65.5 3:00p 46.8 12:00m 8.8 0.0 0.00 0.6 12.0 11:30a N 3 53.8 63.5 1:00p 44.1 3:30a 11.2 0.0 0.01 0.5 10.0 2:30p N 4 52.4 62.1 3:00p 42.8 5:30a 12.6 0.0 0.01 0.6 10.0 8:30a NNE 5 52.5 66.3 3:00p 38.6 7:00a 12.5 0.0 0.01 0.4 7.0 10:00a SW 6 51.3 64.3 3:00p 38.3 5:30a 13.7 0.0 0.00 0.3 7.0 1:30p NNW 7 50.6 59.2 12:00p 41.9 2:00a 14.4 0.0 0.00 0.6 8.0 11:00a NNW 8 49.4 57.3 11:30a 41.5 11:30p 15.6 0.0 0.00 0.8 13.0 1:00p NW 9 48.8 59.8 2:30p 37.8 7:30a 16.2 0.0 0.01 0.9 10.0 11:30a N 10 51.2 65.0 4:30p 37.3 2:30a 13.8 0.0 0.00 0.5 7.0 10:00a N 11 51.0 64.7 2:00p 37.3 6:30a 14.0 0.0 0.00 0.5 7.0 10:30a NNW 12 50.8 59.8 12:30p 41.8 1:30a 14.2 0.0 0.01 1.0 8.0 1:00p N 13 46.6 54.1 12:00p 39.1 12:00m 18.4 0.0 0.01 1.4 19.0 4:00a SW 14 44.0 52.5 1:00p 35.5 4:00a 21.0 0.0 0.27 1.5 14.0 3:30p ESE 15 46.4 53.1 12:00p 39.8 10:30p 18.6 0.0 0.28 1.3 16.0 2:30p ESE 16 44.9 51.6 2:00p 38.3 11:30p 20.1 0.0 0.16 1.4 14.0 5:00p NNW 17 43.3 53.6 3:00p 33.1 9:00p 21.7 0.0 0.00 1.0 11.0 10:00a NNW 18 44.4 55.1 11:30a 33.7 1:00a 20.6 0.0 0.01 1.3 12.0 5:30p ESE 19 47.1 56.2 3:30p 38.0 11:30p 17.9 0.0 0.23 0.8 14.0 2:00p W 20 44.0 53.5 2:00p 34.4 5:30a 21.0 0.0 0.01 0.6 10.0 3:00p NNW 21 48.0 53.5 10:30p 42.5 12:30a 17.0 0.0 0.12 0.9 11.0 7:30p NNW 22 50.2 57.3 11:30a 43.1 8:00a 14.8 0.0 0.16 0.8 12.0 3:00a SW 23 48.1 55.0 12:30p 41.2 8:00a 16.9 0.0 0.04 0.4 7.0 12:00p SSW 24 51.9 56.7 2:30p 47.1 1:00a 13.1 0.0 0.01 3.2 21.0 10:30a ESE 25 49.7 56.0 12:30a 43.3 11:00a 15.3 0.0 0.43 2.9 28.0 1:00a WSW 26 44.8 54.1 3:00p 35.6 7:30a 20.2 0.0 0.00 0.9 10.0 2:30a NNW 27 45.7 56.6 12:30p 34.7 7:30a 19.3 0.0 0.00 0.5 7.0 12:00p NNW 28 51.8 61.2 2:00p 42.5 2:30a 13.2 0.0 0.00 0.5 7.0 12:30p N 29 53.0 63.4 3:00p 42.5 4:00a 12.0 0.0 0.00 0.5 10.0 3:30p N 30 51.3 61.8 2:00p 40.9 12:00m 13.7 0.0 0.01 0.5 7.0 10:00a NNE 31 49.1 58.6 3:00p 39.6 1:00a 15.9 0.0 0.01 0.6 7.0 3:30p SSE ------------------------------------------------------------------------------------- 49.2 66.3 5 33.1 17 490.6 0.0 1.81 0.9 28.0 25 NNW Max >= 90.0: 0 Max <= 32.0: 0 Min <= 32.0: 0 Min <= 0.0: 0 Max Rain: 0.43 ON 12/25/08 Days of Rain: 8 (>.01 in) 7 (>.1 in) 0 (>1 in) Heat Base: 65.0 Cool Base: 65.0 Method: (High + Low) / 2