Monthly Climatological Summary for Dec 2020 Name: Altadena WeatherCam City: Altadena State: California Elevation: 1680 ft Lat: N 34° 12' 16" Lon: W 118° 08' 18" 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 62.4 75.3 14:38 53.3 06:04 4.9 2.3 0.00 2.0 9.0 14:11 NNE 2 62.2 75.6 14:53 53.4 23:17 5.1 2.3 0.00 2.0 9.0 12:04 NNE 3 56.5 69.3 14:27 48.7 06:20 8.9 0.4 0.00 1.9 9.0 10:05 NE 4 56.9 71.7 14:48 46.4 05:52 9.2 1.1 0.00 2.1 9.0 13:28 NE 5 57.8 71.3 14:33 49.3 06:32 8.2 1.0 0.00 2.0 9.0 13:31 NE 6 59.3 73.1 13:32 49.9 05:33 7.2 1.5 0.00 1.8 10.0 12:56 NE 7 61.2 72.4 17:37 51.5 04:01 5.1 1.3 0.00 1.4 17.0 18:10 NNE 8 66.1 77.3 14:55 57.0 23:44 1.9 3.0 0.00 1.8 13.0 05:31 NNE 9 60.8 74.5 13:29 47.9 23:42 6.0 1.8 0.00 1.6 9.0 12:19 E 10 51.9 61.1 14:26 44.7 07:32 13.1 0.0 0.00 1.7 13.0 11:56 NE 11 49.3 58.1 14:12 44.2 03:54 15.7 0.0 0.00 0.9 10.0 13:08 N 12 50.8 62.8 14:40 43.2 02:51 14.2 0.0 0.00 1.3 14.0 15:33 NNE 13 54.1 65.2 13:51 45.6 06:21 10.9 0.0 0.00 1.2 10.0 14:03 N 14 53.0 64.6 13:50 44.2 06:51 12.0 0.0 0.00 1.5 17.0 11:58 NNE 15 53.4 65.3 14:35 44.5 06:54 11.6 0.0 0.00 1.7 10.0 12:33 NNE 16 56.4 70.6 14:40 46.4 06:05 9.3 0.7 0.00 1.7 8.0 11:03 NNE 17 53.2 59.0 13:08 45.2 23:55 11.8 0.0 0.00 1.9 18.0 18:07 NNE 18 52.1 64.9 13:40 42.8 07:24 12.9 0.0 0.00 1.7 11.0 11:05 NNE 19 56.0 68.5 14:51 46.9 06:36 9.4 0.4 0.00 2.0 10.0 10:49 NE 20 63.3 79.8 14:58 52.7 03:42 4.9 3.2 0.00 1.9 8.0 13:00 NNE 21 65.3 80.7 14:46 55.4 23:57 3.5 3.8 0.00 1.9 10.0 14:24 N 22 56.9 69.4 14:04 46.8 23:47 8.6 0.5 0.00 1.6 11.0 14:53 N 23 55.3 68.0 13:09 46.9 02:45 9.8 0.2 0.00 1.3 9.0 13:26 NNE 24 53.5 57.8 11:10 50.0 06:19 11.5 0.0 0.00 1.1 8.0 14:07 NE 25 57.5 70.4 14:34 49.6 06:46 8.2 0.7 0.00 1.6 11.0 14:19 NNE 26 55.2 65.7 14:05 47.7 05:44 9.8 0.0 0.00 1.5 10.0 12:40 NNE 27 52.0 63.1 14:52 45.9 05:47 13.0 0.0 0.00 1.2 9.0 12:19 S 28 42.4 49.2 00:00 38.1 23:15 22.6 0.0 1.28 1.2 18.0 00:42 ENE 29 48.4 58.2 14:12 37.4 05:04 16.6 0.0 0.01 2.8 24.0 15:24 NNE 30 52.3 65.3 14:37 43.1 02:57 12.7 0.0 0.00 1.6 11.0 12:04 NNE 31 53.1 62.4 12:54 41.7 05:44 11.9 0.0 0.00 2.7 32.0 12:37 NNE ---------------------------------------------------------------------------------- 55.8 80.7 21 37.4 29 310.5 24.2 1.29 1.7 32.0 31 NNE Max >= 80.0: 1 Max <= 32.0: 0 Min <= 32.0: 0 Min <= 0.0: 0 Max Rain: 1.28 on day 28 Days of Rain: 2 (>= 0.01 in) 1 (>= 0.10 in) 1 (>= 1.00 in) Heat Base: 65.0 Cool Base: 65.0 Method: Integration