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Report for 2018 December
Monthly Climatological Summary for Dec 2018
Name: NapervilleWather.com City: Naperville State: IL
Elevation: 781 ft Lat: N 41° 47' 23" Lon: W 088° 07' 27"
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 38.4 43.5 21:26 34.2 03:26 26.6 0.0 1.25 1.1 8.0 04:13 SSE
2 39.7 44.3 07:51 34.6 21:05 25.3 0.0 0.05 1.1 12.0 19:56 WSW
3 32.3 35.1 11:32 28.7 23:21 32.7 0.0 0.04 2.1 13.0 10:43 WNW
4 29.4 31.8 11:50 27.6 23:37 35.5 0.0 0.00 1.2 13.0 02:41 WNW
5 28.1 31.9 19:24 24.3 07:37 36.7 0.0 0.00 1.4 13.0 00:21 SW
6 27.3 31.6 03:20 18.6 23:56 37.7 0.0 0.00 1.7 14.0 01:44 W
7 18.4 24.9 13:20 12.5 07:14 46.6 0.0 0.00 0.8 14.0 01:44 WSW
8 23.4 31.9 13:24 14.8 00:01 41.6 0.0 0.00 0.3 12.0 05:24 ESE
9 23.3 34.1 15:17 16.4 04:29 41.7 0.0 0.00 0.3 7.0 04:42 WNW
10 22.8 31.6 13:54 12.7 07:34 42.2 0.0 0.00 0.5 7.0 04:42 S
11 29.2 38.4 13:30 21.6 06:47 35.8 0.0 0.00 0.4 8.0 03:06 SW
12 34.4 41.6 11:47 27.1 23:57 30.5 0.0 0.00 1.5 12.0 07:45 S
13 33.8 43.5 12:18 22.6 06:33 31.2 0.0 0.17 0.2 12.0 07:45 E
14 38.4 41.1 13:46 32.3 23:54 26.6 0.0 0.11 0.1 9.0 03:18 NW
15 36.8 50.6 13:32 28.9 04:28 28.2 0.0 0.00 0.3 5.0 02:36 S
16 35.8 47.7 13:33 25.7 06:20 29.2 0.0 0.01 0.5 8.0 03:12 WSW
17 34.2 43.1 13:33 25.9 23:46 30.8 0.0 0.00 0.9 10.0 22:33 WNW
18 32.8 43.4 13:38 22.5 06:10 32.2 0.0 0.00 0.6 9.0 00:59 ESE
19 40.0 50.5 13:31 30.7 02:06 25.0 0.0 0.00 1.0 9.0 12:03 ESE
20 42.2 45.8 14:17 37.7 23:50 22.8 0.0 0.08 0.6 10.0 10:21 NW
21 32.9 37.9 01:16 29.6 23:36 32.1 0.0 0.05 2.2 14.0 02:51 WNW
22 31.2 35.3 14:27 28.3 08:29 33.8 0.0 0.00 0.8 14.0 02:51 WSW
23 33.3 38.4 13:38 28.4 23:58 31.7 0.0 0.00 1.8 22.0 20:33 WSW
24 27.6 34.2 15:31 22.3 07:47 37.4 0.0 0.00 0.9 22.0 12:32 WSW
25 34.8 46.2 15:30 27.3 00:00 30.2 0.0 0.00 0.3 10.0 05:07 S
26 36.9 48.0 13:39 25.6 05:06 28.1 0.0 0.00 0.7 10.0 14:45 E
27 44.8 52.4 22:36 38.0 03:52 20.2 0.0 0.69 2.8 19.0 03:00 E
28 35.4 52.4 00:56 28.6 22:02 29.6 0.0 0.09 2.3 19.0 03:00 SSW
29 27.5 29.1 13:00 22.6 23:55 37.5 0.0 0.00 0.8 15.0 00:58 SSW
30 27.6 36.5 15:32 18.4 07:40 37.4 0.0 0.05 1.3 11.0 04:11 SE
31 35.8 39.0 14:50 30.7 00:00 29.2 0.0 0.58 0.7 11.0 04:11 WNW
----------------------------------------------------------------------------------
32.5 52.4 27 12.5 7 1006.1 0.0 3.17 1.0 22.0 23 SW
Max >= 80.0: 0
Max <= 25.2: 1
Min <= 32.0: 26
Min <= 0.0: 0
Max Rain: 1.25 on day 1
Days of Rain: 12 (>= 0.01 in) 5 (>= 0.10 in) 1 (>= 1.00 in)
Heat Base: 65.0 Cool Base: 65.0 Method: Integration