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Report for 2021 October
Monthly Climatological Summary for Oct 2021
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 70.8 87.8 14:29 57.9 07:26 1.7 7.5 0.00 0.0 6.0 04:24 E
2 69.3 78.0 12:27 64.8 07:20 0.0 4.3 0.17 0.0 5.0 12:09 NNE
3 68.4 74.9 15:47 64.6 23:57 0.0 3.4 0.03 0.1 9.0 13:23 NW
4 63.6 64.6 00:00 62.8 05:32 1.4 0.0 0.00 0.0 9.0 01:17 NW
5 64.5 67.0 15:16 63.6 21:14 0.5 0.2 0.00 0.0 4.0 20:07 ---
6 65.4 69.5 13:10 62.6 03:33 0.5 0.9 0.00 0.1 5.0 05:14 E
7 66.4 74.7 15:55 63.2 21:08 0.3 1.7 1.01 0.0 6.0 16:49 N
8 64.0 73.1 13:47 60.7 23:02 2.0 1.0 0.09 0.0 6.0 04:08 ---
9 69.4 82.6 15:11 60.4 07:39 1.1 5.5 0.01 0.0 6.0 13:45 E
10 72.2 81.0 15:56 68.4 07:12 0.0 7.2 0.03 0.0 6.0 01:04 SE
11 68.7 75.5 13:13 60.7 23:27 0.6 4.2 0.79 0.1 7.0 07:08 ESE
12 59.8 64.3 16:53 53.5 23:58 5.2 0.0 0.04 0.1 9.0 01:37 NNW
13 59.8 70.3 12:07 51.5 05:21 5.7 0.6 0.33 0.2 9.0 01:37 E
14 62.8 70.5 15:48 54.4 23:26 3.4 1.2 0.22 0.0 11.0 06:09 NW
15 54.8 61.6 15:38 50.5 05:09 10.2 0.0 0.02 0.2 9.0 23:59 WNW
16 50.0 60.7 15:26 41.0 07:00 15.0 0.0 0.00 0.8 15.0 01:11 WNW
17 50.9 68.8 14:57 37.5 06:49 14.4 0.3 0.00 0.3 15.0 01:11 WNW
18 54.4 75.7 15:00 40.8 04:41 12.1 1.5 0.00 0.0 9.0 01:11 N
19 57.4 72.4 14:40 47.8 07:34 8.6 1.1 0.00 0.1 5.0 00:57 SE
20 59.9 72.4 14:57 49.5 04:00 6.2 1.1 0.00 0.1 6.0 15:36 ESE
21 52.0 64.7 00:10 46.8 10:55 13.0 0.0 0.01 0.7 11.0 21:19 W
22 48.6 54.8 15:06 42.9 07:40 16.4 0.0 0.00 0.2 8.0 01:37 WNW
23 45.2 58.2 14:18 36.1 07:17 18.8 0.0 0.00 0.1 7.0 01:04 W
24 45.0 49.3 14:35 38.6 01:33 19.9 0.0 0.00 0.5 9.0 20:21 ESE
25 47.8 51.0 16:15 45.6 23:50 17.1 0.0 0.00 1.0 9.0 07:39 SSE
26 47.2 57.1 14:29 39.8 23:58 17.4 0.0 0.00 0.1 7.0 03:56 NW
27 45.5 58.3 13:44 34.7 07:19 19.4 0.0 0.00 0.2 7.0 02:48 E
28 47.7 47.7 00:00 47.7 00:00 4.3 0.0 0.00 0.0 0.0 00:00 ---
29 52.6 53.9 05:58 0.0 05:58 9.3 0.0 0.00 0.8 7.0 23:06 NW
30 52.4 61.5 14:25 42.5 23:59 12.6 0.0 0.00 0.6 10.0 15:52 NW
31 44.9 53.0 16:01 35.2 23:57 20.1 0.0 0.00 0.9 12.0 16:11 WNW
----------------------------------------------------------------------------------
57.5 87.8 1 0.0 29 257.2 41.7 2.75 0.2 15.0 16 WNW
Max >= 80.0: 3
Max <= 25.2: 0
Min <= 32.0: 1
Min <= 0.0: 1
Max Rain: 1.01 on day 7
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