Monthly Climatological Summary for Dec 2019 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 49.5 57.2 13:54 44.0 06:12 15.5 0.0 0.00 1.1 7.0 12:39 NE 2 55.4 67.5 14:00 46.2 04:42 9.7 0.2 0.00 1.4 9.0 11:07 ENE 3 57.9 64.1 11:30 52.5 01:03 7.1 0.0 0.00 0.6 4.0 10:42 NE 4 52.6 56.0 00:24 50.2 22:47 12.4 0.0 1.02 0.8 9.0 10:57 SSE 5 52.7 60.8 14:46 45.7 06:44 12.3 0.0 0.01 1.1 10.0 10:01 ENE 6 55.0 62.5 12:03 48.9 05:33 10.0 0.0 0.06 1.1 9.0 14:40 ENE 7 56.1 59.5 10:48 54.3 02:35 8.9 0.0 0.27 0.5 9.0 10:55 SSE 8 53.2 57.1 14:38 47.1 23:57 11.8 0.0 0.39 0.6 9.0 13:04 N 9 51.6 63.4 14:11 44.4 06:51 13.4 0.0 0.02 1.3 9.0 11:22 SE 10 52.7 64.4 14:36 45.4 06:10 12.3 0.0 0.00 1.5 7.0 13:15 NE 11 54.0 64.1 14:41 46.6 05:21 11.0 0.0 0.00 1.5 7.0 10:34 ENE 12 57.0 69.4 15:02 48.6 06:53 8.4 0.4 0.00 1.6 9.0 11:25 NE 13 58.3 70.5 13:30 50.6 23:57 7.4 0.7 0.00 1.4 8.0 12:40 ESE 14 53.1 57.7 13:26 47.0 23:39 11.9 0.0 0.01 0.6 8.0 13:38 S 15 51.7 61.7 14:52 45.2 23:55 13.3 0.0 0.00 2.9 29.0 05:24 NNW 16 50.6 63.4 13:39 41.8 05:04 14.4 0.0 0.00 1.8 10.0 18:46 ENE 17 49.4 62.0 14:27 39.3 06:00 15.6 0.0 0.00 1.5 7.0 09:04 NNE 18 47.5 57.3 14:51 40.5 02:52 17.5 0.0 0.00 1.6 8.0 10:24 NE 19 50.5 63.5 14:42 41.3 07:13 14.5 0.0 0.00 1.8 7.0 10:10 NNE 20 57.1 70.4 14:52 47.1 01:57 8.6 0.7 0.00 1.9 9.0 11:45 N 21 57.2 68.9 13:14 51.4 06:25 8.2 0.4 0.00 1.5 8.0 11:21 NNE 22 55.7 62.4 13:10 46.0 23:59 9.3 0.0 0.24 2.0 13.0 12:06 SE 23 47.3 50.0 12:50 43.4 23:22 17.7 0.0 0.90 0.8 11.0 00:57 N 24 46.9 56.3 13:29 40.9 07:04 18.1 0.0 0.01 1.5 11.0 14:26 SSE 25 45.7 48.5 12:29 41.6 07:10 19.3 0.0 0.61 1.3 18.0 23:56 ESE 26 42.1 46.1 11:51 38.3 03:52 22.9 0.0 1.25 1.3 18.0 00:38 ESE 27 46.7 57.3 14:41 37.9 06:24 18.3 0.0 0.00 1.5 11.0 14:00 E 28 46.2 57.0 14:11 38.6 06:30 18.8 0.0 0.00 1.5 10.0 11:15 E 29 47.1 55.4 13:24 41.1 05:43 17.9 0.0 0.00 1.2 9.0 10:36 E 30 50.6 58.1 22:18 44.4 06:02 14.4 0.0 0.00 1.6 29.0 21:09 ENE 31 58.5 67.7 14:49 48.5 23:59 6.8 0.3 0.00 5.1 40.0 02:55 NNE ---------------------------------------------------------------------------------- 51.9 70.5 13 37.9 27 407.7 2.7 4.79 1.5 40.0 31 ENE Max >= 80.0: 0 Max <= 32.0: 0 Min <= 32.0: 0 Min <= 0.0: 0 Max Rain: 1.25 on day 26 Days of Rain: 12 (>= 0.01 in) 7 (>= 0.10 in) 2 (>= 1.00 in) Heat Base: 65.0 Cool Base: 65.0 Method: Integration