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Report for 2017 December
Monthly Climatological Summary for Dec 2017
Name: www.boulderwx.com City: Boulder State: Colorado
Elevation: 6660 ft Lat: N 40 03 55 Lon: W 105 19 36
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 47.9 56.8 08:59 39.8 23:57 0.0 0.0 0.00 1.8 19.0 10:58 W
02 47.2 57.7 13:09 38.0 02:38 0.1 0.0 0.00 1.4 12.0 12:44 SE
03 51.0 61.5 12:02 42.7 23:57 0.0 0.0 0.00 1.9 40.0 21:09 E
04 29.2 42.8 00:03 21.2 22:32 10.9 0.0 0.00 2.6 29.0 07:56 NW
05 32.2 44.1 10:45 21.3 02:48 8.3 0.0 0.00 1.4 18.0 00:42 NNW
06 25.9 32.2 12:02 17.2 23:42 14.1 0.0 0.00 1.6 15.0 10:26 WNW
07 26.8 38.0 22:56 17.3 05:01 13.2 0.0 0.00 0.4 7.0 02:41 SSE
08 44.6 50.4 13:48 35.9 00:10 0.5 0.0 0.00 1.9 16.0 23:24 W
09 47.0 53.2 10:44 41.4 22:20 0.0 0.0 0.00 3.1 19.0 08:12 WNW
10 48.7 55.9 10:09 41.7 02:41 0.0 0.0 0.00 2.2 15.0 19:09 W
11 47.0 57.4 10:17 35.8 23:36 0.3 0.0 0.00 1.4 11.0 03:50 WNW
12 51.7 64.4 11:32 36.1 00:05 0.2 0.0 0.00 2.2 18.0 21:13 WNW
13 43.9 52.6 00:04 28.9 00:00 1.1 0.0 0.00 2.8 21.0 00:38 NNE
14 28.5 36.3 11:00 24.4 07:30 11.5 0.0 0.13 1.0 11.0 00:00 ESE
15 45.9 53.4 13:00 32.3 01:30 1.1 0.0 0.05 2.8 20.0 10:30 WNW
16 40.5 51.0 01:04 25.9 23:33 2.9 0.0 0.00 1.7 12.0 04:43 NW
17 28.4 34.6 14:07 25.5 00:53 11.6 0.0 0.00 0.9 11.0 15:31 ESE
18 43.1 52.7 10:20 31.4 00:41 1.4 0.0 0.00 1.1 8.0 10:22 S
19 40.6 47.2 23:21 36.2 07:15 0.8 0.0 0.00 1.1 21.0 23:17 E
20 48.2 57.2 13:00 40.5 00:00 0.0 0.0 0.00 2.5 23.0 14:00 NNE
21 17.1 40.5 00:00 9.9 20:58 22.7 0.0 0.00 1.0 14.0 00:00 ESE
22 26.8 40.5 10:45 17.4 00:00 13.2 0.0 0.18 1.4 13.0 11:41 WSW
23 20.6 40.5 12:19 5.2 23:59 19.5 0.0 0.02 2.2 20.0 12:39 ESE
24 15.0 27.5 14:28 3.0 01:35 25.0 0.0 0.08 1.8 16.0 03:36 S
25 15.2 28.1 18:19 8.5 22:31 24.8 0.0 0.00 1.3 9.0 10:42 ESE
26 7.2 23.2 23:58 3.7 17:43 32.8 0.0 0.00 1.3 8.0 11:39 SE
27 38.8 46.3 11:38 20.9 03:29 3.7 0.0 0.02 4.9 31.0 19:29 NNW
28 39.0 50.1 10:00 27.7 16:26 2.9 0.0 0.00 2.9 26.0 06:41 NNW
29 43.1 56.8 11:51 12.5 23:56 4.7 0.0 0.01 3.7 38.0 06:41 NNE
30 29.3 57.6 13:30 7.4 05:55 15.2 0.0 0.00 2.9 32.0 15:20 NE
31 14.3 23.1 01:37 7.3 19:24 25.7 0.0 0.00 0.8 7.0 07:09 ESE
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35.0 64.4 12 3.0 24 268.2 0.0 0.49 1.9 40.0 3 NNW
Max >= 27.0 29
Max <= 0.0 0
Min <= 0.0 0
Min <= -18.0 0
Max Rain: 0.18 on day 22
Days of Rain: 0 (>= 0.20 in) 0 (>= 2.00 in) 0 (>= 20.00 in)
Heat Base: 40.0 Cool Base: 80.0 Method: Integration