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Report for 2021 December
 Monthly Climatological Summary for Dec 2021
Name: Little Rocky Run City: Clifton State: Virginia
Elevation: 330 ft Lat: N 38° 49' 06" Lon: W 077° 25' 12"
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 43.2 59.0 13:48 27.0 06:51 21.8 0.0 0.00 0.8 9.0 12:49 SE
2 54.4 65.4 15:57 42.6 07:35 10.6 0.0 0.00 1.5 17.0 14:45 S
3 47.8 59.0 00:00 37.7 23:59 17.2 0.0 0.00 1.4 17.0 00:34 N
4 44.8 59.8 14:06 34.2 07:48 20.1 0.0 0.00 0.5 8.0 10:57 N
5 43.9 53.3 13:46 31.3 08:07 21.1 0.0 0.00 0.5 9.0 09:21 SE
6 54.8 69.3 13:18 40.0 23:57 11.0 0.8 0.00 3.5 24.0 12:55 S
7 36.0 43.3 12:40 30.1 23:34 29.0 0.0 0.00 0.8 14.0 00:01 NNW
8 37.0 44.6 13:31 30.3 00:00 28.0 0.0 0.00 0.7 14.0 20:51 W
9 35.1 43.4 15:06 24.8 07:41 29.9 0.0 0.00 0.9 12.0 23:58 SE
10 45.8 55.0 14:59 37.2 00:00 19.2 0.0 0.00 1.1 12.0 00:20 SSE
11 57.6 67.9 16:52 46.2 23:56 7.7 0.4 0.13 3.8 22.0 13:17 S
12 41.4 51.4 14:31 30.4 23:37 22.8 0.0 0.00 1.7 20.0 00:19 NNW
13 37.8 56.2 14:38 25.2 07:31 27.2 0.0 0.00 0.3 7.0 14:37 S
14 41.6 60.2 14:22 27.8 07:44 23.4 0.0 0.00 0.4 10.0 11:30 N
15 43.7 58.8 14:17 30.2 06:21 20.2 0.0 0.00 0.5 8.0 13:06 S
16 56.5 68.9 14:32 46.1 08:26 8.8 0.3 0.00 2.9 15.0 19:41 S
17 57.8 62.6 12:38 53.4 06:40 7.2 0.0 0.00 0.8 10.0 12:42 NNW
18 52.1 57.4 22:38 49.3 09:32 12.9 0.0 0.00 0.8 10.0 22:12 SSE
19 42.9 57.4 00:01 31.4 23:42 22.1 0.0 0.00 3.3 19.0 04:32 NNW
20 32.4 43.4 14:24 24.6 06:36 32.6 0.0 0.00 0.6 10.0 13:09 E
21 33.5 42.2 14:56 24.4 03:40 31.5 0.0 0.00 0.2 5.0 21:08 SSE
22 38.6 49.5 13:48 30.1 08:04 25.4 0.0 0.00 1.5 25.0 14:03 NNW
23 33.9 43.4 14:55 24.4 06:43 31.1 0.0 0.00 1.1 14.0 23:57 E
24 45.9 55.9 14:29 35.6 08:57 19.1 0.0 0.00 1.4 13.0 00:47 SSE
25 58.2 70.4 14:02 48.7 02:11 7.5 0.7 0.08 1.8 14.0 20:10 S
26 54.0 63.0 13:16 43.1 23:56 11.0 0.0 0.00 1.4 14.0 14:11 N
27 40.0 43.1 00:00 36.1 23:38 25.0 0.0 0.01 0.7 9.0 14:28 ESE
28 46.9 56.3 14:22 36.2 00:00 18.1 0.0 0.00 0.5 9.0 07:13 ENE
29 51.6 58.5 13:53 48.6 23:15 13.4 0.0 0.13 0.4 8.0 03:48 ENE
30 50.2 53.4 14:51 47.7 03:42 14.8 0.0 0.15 0.2 6.0 15:10 SSE
31 54.7 62.5 15:02 50.7 07:18 10.3 0.0 0.04 1.1 11.0 12:37 SSE
----------------------------------------------------------------------------------
45.6 70.4 25 24.4 21 600.0 2.2 0.54 1.2 25.0 22 SSE
Max >= 90.0: 0
Max <= 50.0: 8
Min <= 32.0: 14
Min <= 10.0: 0
Max Rain: 0.15 on day 30
Days of Rain: 0 (>= 0.25 in) 0 (>= 1.00 in) 0 (>= 3.00 in)
Heat Base: 65.0 Cool Base: 65.0 Method: Integration