Monthly Climatological Summary for May 2021 Name: South Rapid Foothills City: Rapid City State: SD Elevation: 3743 ft Lat: N 44° 01' 05" Lon: W 103° 14' 20" 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 67.3 76.1 16:22 55.1 23:30 1.7 3.9 0.12 9.4 29.0 09:39 NW 02 51.7 56.4 09:33 45.8 22:21 13.3 0.0 0.09 11.6 41.0 14:07 NNW 03 47.0 53.7 16:04 41.1 23:57 18.0 0.0 0.00 10.3 29.0 01:28 N 04 49.0 62.2 12:29 38.3 04:26 16.0 0.0 0.03 8.1 35.0 14:25 SW 05 46.8 55.2 15:23 40.2 23:55 18.2 0.0 0.24 9.6 48.0 12:16 NW 06 51.0 62.2 14:36 38.6 03:57 14.0 0.0 0.00 5.7 17.0 10:59 NW 07 54.8 66.7 14:29 42.1 05:09 10.3 0.1 0.00 9.1 33.0 18:10 ESE 08 42.2 50.0 00:00 35.3 23:55 22.8 0.0 0.00 8.1 25.0 16:36 NE 09 39.7 47.7 10:07 34.4 01:24 25.3 0.0 0.18 4.6 21.0 14:50 ENE 10 42.5 51.2 15:27 36.5 01:29 22.5 0.0 0.01 4.3 20.0 15:18 E 11 47.6 58.8 14:38 35.4 05:23 17.4 0.0 0.00 6.5 23.0 17:09 S 12 49.4 62.6 13:23 40.2 05:33 15.6 0.0 0.15 9.1 31.0 11:50 SSW 13 51.4 66.5 14:37 40.0 04:39 13.6 0.0 0.03 8.2 33.0 17:27 W 14 55.7 64.5 15:36 45.2 01:56 9.3 0.0 0.00 8.1 26.0 22:17 WNW 15 55.2 63.1 13:59 48.1 05:51 9.8 0.0 0.04 5.1 18.0 16:15 WSW 16 57.9 68.0 14:36 49.7 03:17 7.4 0.3 0.00 6.6 24.0 17:00 E 17 57.1 70.5 16:12 48.2 05:15 8.3 0.4 0.00 8.3 25.0 19:00 SSE 18 65.9 77.4 15:34 53.3 02:11 3.2 4.1 0.00 12.9 36.0 15:17 S 19 66.7 74.5 17:14 59.0 03:27 1.0 2.7 0.00 8.4 31.0 05:31 NNW 20 66.3 80.0 16:26 52.6 05:27 3.4 4.8 0.34 10.2 50.0 20:08 S 21 45.4 55.8 00:00 39.4 23:30 19.6 0.0 0.19 8.1 24.0 00:35 NNW 22 45.0 53.3 14:57 38.1 05:53 20.0 0.0 0.01 6.3 20.0 14:27 NNE 23 48.5 63.1 15:54 44.7 16:58 16.5 0.0 1.28 7.1 57.0 16:43 WSW 24 61.0 73.5 17:47 43.7 00:47 6.0 2.0 0.01 13.9 45.0 11:53 SW 25 61.7 71.9 12:17 51.9 05:04 4.6 1.3 0.00 10.4 32.0 13:23 WNW 26 46.9 52.2 00:00 43.0 23:58 18.1 0.0 0.34 6.8 37.0 18:04 NE 27 40.8 43.4 00:33 38.5 09:50 24.2 0.0 0.02 6.5 22.0 09:41 NNE 28 51.9 64.1 17:29 38.6 02:37 13.1 0.0 0.00 11.8 35.0 15:17 S 29 56.3 63.2 14:28 48.5 23:48 8.7 0.0 0.00 7.4 28.0 13:02 N 30 59.3 68.8 15:20 47.9 05:29 6.2 0.4 0.00 6.5 21.0 14:18 WSW 31 63.0 74.3 14:07 49.0 03:40 4.8 2.8 0.00 10.0 33.0 16:28 SSW ---------------------------------------------------------------------------------- 53.1 80.0 20 34.4 9 392.9 22.8 3.08 8.4 57.0 23 W Max >= 90.0 0 Max <= 32.0 0 Min <= 32.0 0 Min <= 0.0 0 Max Rain: 1.28 on day 23 Days of Rain: 16 (>= 0.01 in) 8 (>= 0.10 in) 1 (>= 1.00 in) Heat Base: 65.0 Cool Base: 65.0 Method: Integration