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Report for 2023 September
Monthly Climatological Summary for Sep 2023
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 67.2 85.8 17:09 54.5 06:58 3.1 5.3 0.00 0.2 4.0 11:32 ESE
2 72.4 88.3 16:36 58.7 06:48 1.3 8.8 0.00 0.3 6.0 13:21 ESE
3 77.7 92.9 15:45 64.8 06:39 0.0 12.7 0.00 0.4 8.0 12:00 SE
4 79.8 93.0 16:29 68.0 06:44 0.0 14.8 0.00 0.1 9.0 14:49 SE
5 78.9 89.4 13:37 71.5 07:09 0.0 13.9 0.03 0.4 9.0 16:09 SE
6 71.1 77.6 15:05 67.1 05:04 0.0 6.1 0.46 0.3 9.0 04:24 E
7 66.8 70.3 15:18 63.8 23:53 0.1 1.8 0.02 0.4 9.0 02:35 NW
8 63.4 68.3 14:26 58.1 22:33 2.0 0.4 0.00 0.0 5.0 08:30 WNW
9 64.0 79.5 15:57 54.6 06:38 4.1 3.2 0.00 0.0 5.0 12:54 ESE
10 65.5 82.4 16:04 50.5 05:07 4.7 5.2 0.00 0.0 6.0 15:45 ENE
11 62.9 66.6 01:47 59.6 23:28 2.2 0.1 1.09 0.0 5.0 10:04 NW
12 60.9 73.9 16:20 53.9 23:47 5.4 1.3 0.00 0.3 8.0 06:52 WNW
13 58.9 73.6 15:20 50.3 05:21 6.9 0.9 0.00 0.1 7.0 11:44 WNW
14 60.0 75.4 15:16 48.9 04:53 6.5 1.6 0.00 0.0 6.0 16:11 E
15 62.5 79.9 16:23 49.6 06:51 5.8 3.3 0.00 0.0 5.0 11:15 ENE
16 61.2 68.6 12:27 55.7 07:09 4.2 0.4 0.06 0.0 2.0 08:18 ---
17 68.8 158.0 07:47 53.7 23:28 4.9 8.7 0.75 0.1 8.0 12:51 NNW
18 60.8 74.2 15:11 52.3 06:51 5.6 1.4 0.00 0.1 7.0 11:39 NW
19 57.9 61.0 18:19 54.4 03:48 7.1 0.0 0.22 0.0 3.0 04:49 ---
20 67.3 81.2 15:54 59.3 04:53 1.8 4.0 0.01 0.0 5.0 15:56 E
21 66.8 74.2 12:19 62.2 07:27 0.6 2.4 0.08 0.0 3.0 16:35 ---
22 67.5 72.9 16:16 63.2 06:03 0.4 2.9 0.20 0.0 5.0 13:11 E
23 68.8 78.2 16:47 60.9 07:31 0.5 4.3 0.00 0.3 8.0 23:47 E
24 66.2 77.7 14:22 55.7 05:40 2.3 3.5 0.00 0.3 8.0 15:11 E
25 74.0 158.0 07:36 62.9 07:27 0.1 9.1 0.09 0.1 7.0 23:25 E
26 66.4 75.3 15:29 62.1 07:19 0.7 2.1 0.10 0.2 8.0 11:40 E
27 63.5 68.6 15:59 60.4 05:18 2.1 0.5 0.01 0.0 3.0 00:06 ---
28 63.2 70.4 15:28 56.5 23:57 2.9 1.1 0.00 0.0 5.0 11:35 ---
29 63.0 75.2 16:19 53.8 03:58 3.7 1.8 0.00 0.1 5.0 12:30 N
30 68.7 84.8 15:43 57.3 05:37 2.1 5.8 0.00 0.0 6.0 15:02 E
----------------------------------------------------------------------------------
66.5 158.0 17 48.9 14 81.1 127.4 3.12 0.1 9.0 4 E
Max >= 80.0: 10
Max <= 25.2: 0
Min <= 32.0: 0
Min <= 0.0: 0
Max Rain: 1.09 on day 11
Days of Rain: 13 (>= 0.01 in) 6 (>= 0.10 in) 1 (>= 1.00 in)
Heat Base: 65.0 Cool Base: 65.0 Method: Integration