Monthly Climatological Summary for Sep 2023 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 70.0 81.2 13:00 62.5 06:30 0.3 5.3 0.01 1.4 13.0 11:30 N 2 67.5 71.1 17:30 64.9 05:00 0.0 2.5 0.14 0.7 8.0 07:00 N 3 67.1 75.7 15:00 59.6 00:00 0.6 2.6 0.00 1.0 13.0 16:30 N 4 64.4 76.4 15:00 56.1 05:30 3.1 2.5 0.00 0.9 10.0 13:30 N 5 64.3 71.3 14:00 57.9 06:00 2.3 1.6 0.00 0.8 10.0 14:00 N 6 68.4 82.1 16:00 61.9 00:00 1.0 4.4 0.00 1.0 12.0 13:30 WSW 7 71.1 86.8 15:30 57.5 06:00 1.9 7.9 0.00 1.2 11.0 14:30 S 8 77.8 93.8 15:00 65.8 07:30 0.0 12.8 0.00 1.2 12.0 15:30 S 9 80.5 93.9 14:00 70.7 03:00 0.0 15.5 0.00 0.0 0.0 00:00 --- 10 81.2 94.6 14:57 69.9 07:30 0.0 15.4 0.00 0.4 11.0 15:45 S 11 77.0 89.1 13:02 69.3 23:56 0.0 12.0 0.00 0.5 11.0 13:24 S 12 72.6 84.6 14:56 62.0 23:59 0.1 7.7 0.00 1.2 12.0 13:29 S 13 66.7 79.1 16:18 59.6 05:41 1.8 3.4 0.00 1.2 10.0 13:31 NNW 14 66.3 78.0 14:53 60.8 23:59 1.7 3.0 0.00 1.3 11.0 13:51 N 15 65.1 77.2 15:36 59.6 01:59 2.4 2.5 0.00 1.2 11.0 13:39 N 16 63.2 68.8 16:40 61.4 06:57 2.1 0.3 0.00 0.7 6.0 16:09 N 17 62.5 66.0 17:48 60.8 05:52 2.6 0.1 0.04 0.3 5.0 18:46 N 18 64.9 76.0 15:09 59.4 23:58 2.3 2.2 0.01 0.9 11.0 11:14 SSW 19 62.9 77.1 15:23 54.8 06:34 4.2 2.1 0.00 1.1 11.0 14:27 S 20 62.3 70.3 14:22 57.8 07:21 3.4 0.7 0.05 0.6 12.0 14:54 S 21 61.6 69.8 13:52 55.6 23:53 3.8 0.4 0.01 1.0 15.0 14:02 S 22 61.2 70.3 12:42 53.4 06:36 4.7 0.9 0.00 0.8 11.0 12:08 S 23 64.7 78.0 15:45 54.3 07:21 3.2 3.0 0.00 1.3 11.0 16:01 S 24 65.6 81.6 15:40 54.3 07:00 3.7 4.3 0.00 1.1 10.0 12:54 S 25 65.2 79.9 15:49 54.4 07:01 3.4 3.6 0.00 1.3 9.0 11:57 S 26 68.0 83.1 14:49 56.4 06:41 2.4 5.5 0.00 1.5 11.0 15:14 S 27 69.3 82.2 15:47 60.6 04:37 1.2 5.5 0.00 1.5 10.0 15:54 SSE 28 63.9 76.7 15:31 53.1 07:25 3.7 2.6 0.00 1.3 11.0 12:14 S 29 61.4 68.1 16:40 58.9 05:13 3.8 0.2 0.00 0.9 9.0 16:44 S 30 58.1 62.3 10:28 54.5 23:51 6.9 0.0 0.29 0.8 10.0 19:47 S ---------------------------------------------------------------------------------- 67.2 94.6 10 53.1 28 66.6 130.5 0.55 1.0 15.0 21 S Max >= 80.0: 11 Max <= 32.0: 0 Min <= 32.0: 0 Min <= 0.0: 0 Max Rain: 0.29 on day 30 Days of Rain: 7 (>= 0.01 in) 2 (>= 0.10 in) 0 (>= 1.00 in) Heat Base: 65.0 Cool Base: 65.0 Method: Integration