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Report for 2021 September
 Monthly Climatological Summary for Sep 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 72.9 79.6 16:19 64.6 22:52 0.0 7.9 2.41 1.7 19.0 18:40 NE
2 68.8 80.3 16:28 59.1 23:57 1.1 4.9 0.00 2.1 16.0 10:42 N
3 65.9 80.5 16:29 52.2 07:19 3.8 4.6 0.00 0.8 10.0 11:40 NNW
4 68.2 82.7 14:49 56.7 06:06 2.5 5.8 0.00 0.8 10.0 14:50 ESE
5 71.6 78.4 12:41 65.6 06:05 0.0 6.6 0.01 0.4 6.0 09:55 SSE
6 75.1 85.7 15:37 64.3 23:57 0.0 10.1 0.02 0.8 10.0 16:50 NNE
7 73.0 89.3 14:48 59.1 07:11 1.5 9.5 0.00 0.7 9.0 15:53 SSE
8 75.6 91.1 15:03 64.7 05:16 0.0 10.5 0.08 1.2 10.0 12:32 SE
9 70.8 77.9 16:37 61.6 23:57 0.1 5.9 0.61 0.5 10.0 18:28 N
10 66.4 77.5 16:40 57.7 23:57 2.2 3.6 0.00 1.6 17.0 13:44 N
11 66.8 81.1 16:09 52.9 06:56 3.8 5.6 0.00 0.7 10.0 12:20 SE
12 73.5 88.5 15:41 59.9 06:32 1.1 9.6 0.00 0.8 9.0 16:55 SSE
13 77.3 89.7 16:09 65.7 07:27 0.0 12.3 0.00 0.6 11.0 11:18 NNE
14 78.0 90.6 14:29 67.4 07:03 0.0 13.0 0.00 0.7 9.0 13:46 ESE
15 78.8 91.5 14:37 67.4 07:32 0.0 13.7 0.00 1.1 13.0 14:51 SSE
16 74.0 84.8 13:44 68.5 07:02 0.0 9.0 0.90 0.5 11.0 15:56 NNW
17 74.4 84.6 16:29 69.7 23:56 0.0 9.4 0.03 0.3 7.0 09:44 N
18 75.5 89.5 15:44 66.6 07:09 0.0 10.5 0.00 0.4 6.0 14:44 SE
19 72.4 81.6 16:31 63.9 23:59 0.0 7.4 0.00 0.5 8.0 09:46 NNW
20 70.0 82.3 13:27 61.6 02:39 0.5 5.6 0.00 0.5 11.0 14:52 ESE
21 70.6 80.5 12:28 61.5 06:44 1.0 6.5 0.00 0.6 10.0 13:38 ESE
22 73.5 80.1 14:11 70.4 03:05 0.0 8.5 0.15 2.0 16.0 11:57 ESE
23 67.6 77.6 14:24 54.9 23:59 1.5 4.1 1.62 1.6 21.0 00:28 NNE
24 60.4 75.5 15:41 47.7 07:36 7.2 2.6 0.00 0.5 10.0 12:02 N
25 62.1 77.9 16:04 48.7 07:39 6.4 3.4 0.00 0.3 8.0 14:43 SSE
26 64.2 76.2 16:06 52.6 07:49 3.8 3.0 0.00 1.1 14.0 11:22 NNE
27 65.8 82.3 14:30 50.6 07:21 5.0 5.8 0.00 0.8 11.0 14:42 SSE
28 68.8 79.2 16:19 58.5 06:25 1.5 5.3 0.00 0.4 8.0 17:37 N
29 63.9 73.8 15:57 52.9 23:53 3.1 1.9 0.00 0.9 10.0 07:54 NNW
30 60.5 74.8 15:46 47.6 07:16 6.9 2.5 0.00 0.7 10.0 14:43 N
----------------------------------------------------------------------------------
70.2 91.5 15 47.6 30 53.0 209.1 5.83 0.9 21.0 23 NE
Max >= 90.0: 3
Max <= 50.0: 0
Min <= 32.0: 0
Min <= 10.0: 0
Max Rain: 2.41 on day 1
Days of Rain: 4 (>= 0.25 in) 2 (>= 1.00 in) 0 (>= 3.00 in)
Heat Base: 65.0 Cool Base: 65.0 Method: Integration