Monthly Climatological Summary for Dec 2017 Name: South Rapid Foothills City: Rapid City State: SD Elevation: 3743 ft Lat: N 44° 01' 05" Lon: W 103° 14' 21" 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 ---------------------------------------------------------------------------------- 01 39.5 49.8 12:02 33.5 01:54 25.5 0.0 0.00 7.5 16.0 13:13 W 02 42.8 51.9 12:07 34.8 00:08 22.2 0.0 0.00 7.0 18.0 20:25 WSW 03 49.4 61.0 13:46 37.3 23:58 15.5 0.0 0.01 7.8 37.0 23:47 SW 04 26.8 37.3 00:00 20.9 18:19 38.2 0.0 0.00 18.7 52.0 11:59 NW 05 32.2 40.4 13:25 26.0 00:25 32.8 0.0 0.00 17.2 54.0 14:52 NW 06 21.9 31.4 03:19 13.1 20:56 43.1 0.0 0.00 12.1 41.0 00:36 NNW 07 31.8 43.0 23:57 16.3 05:37 33.2 0.0 0.00 10.6 42.0 18:22 NW 08 42.7 47.1 13:21 38.2 22:33 22.3 0.0 0.00 15.5 48.0 01:05 NNW 09 48.4 57.3 13:49 39.8 01:00 16.6 0.0 0.00 11.7 38.0 14:24 NW 10 52.7 61.1 12:09 46.2 01:42 12.3 0.0 0.00 10.8 40.0 22:17 WNW 11 39.6 51.7 00:00 27.2 20:39 25.5 0.0 0.00 14.5 49.0 11:43 NW 12 48.4 61.7 15:03 26.8 00:15 16.5 0.0 0.00 8.5 37.0 22:37 W 13 41.8 49.4 00:01 35.0 23:23 23.2 0.0 0.00 14.9 49.0 01:18 NW 14 31.8 37.8 02:51 25.0 19:33 33.2 0.0 0.00 12.3 41.0 07:52 NW 15 43.6 56.8 12:45 27.0 01:25 21.4 0.0 0.00 5.8 19.0 13:25 WSW 16 34.0 44.2 00:41 28.1 23:58 31.0 0.0 0.00 8.2 25.0 06:46 NNW 17 32.0 39.6 14:17 27.2 00:44 33.0 0.0 0.00 6.1 22.0 14:43 WSW 18 42.5 55.4 13:31 31.4 00:10 22.5 0.0 0.00 8.6 34.0 13:41 W 19 30.7 34.8 00:00 23.4 23:58 34.3 0.0 0.00 8.2 27.0 00:39 SE 20 29.4 39.2 14:44 20.6 23:58 35.6 0.0 0.00 8.0 38.0 21:36 NNW 21 14.1 20.6 00:00 10.5 19:41 50.9 0.0 0.00 9.4 38.0 00:14 NNW 22 17.7 23.9 10:28 8.7 23:56 47.3 0.0 0.00 7.7 21.0 10:37 NNW 23 7.5 11.3 09:58 3.8 21:40 57.5 0.0 0.00 2.9 11.0 14:30 W 24 13.4 20.3 14:47 1.4 00:10 51.6 0.0 0.00 11.2 41.0 12:06 WNW 25 1.5 9.1 00:00 -3.2 23:46 63.5 0.0 0.00 4.4 14.0 16:08 NNE 26 -2.9 2.2 23:58 -7.6 07:16 67.9 0.0 0.00 4.5 15.0 12:27 SSW 27 9.4 27.9 23:29 -0.1 07:40 55.6 0.0 0.00 4.1 23.0 23:44 W 28 14.8 22.0 00:00 10.2 23:59 50.2 0.0 0.00 4.8 15.0 19:11 ESE 29 2.9 10.2 00:00 -2.8 23:51 62.1 0.0 0.00 6.3 21.0 08:17 NNE 30 -7.9 -2.7 00:00 -16.1 23:55 72.9 0.0 0.00 6.6 21.0 11:58 E 31 -10.8 -6.8 13:37 -16.6 00:17 75.8 0.0 0.00 2.6 11.0 00:59 S ---------------------------------------------------------------------------------- 26.5 61.7 12 -16.6 31 1193.2 0.0 0.01 9.0 54.0 5 NW Max >= 90.0 0 Max <= 32.0 12 Min <= 32.0 24 Min <= 0.0 6 Max Rain: 0.01 on day 3 Days of Rain: 1 (>= 0.01 in) 0 (>= 0.10 in) 0 (>= 1.00 in) Heat Base: 65.0 Cool Base: 65.0 Method: Integration