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Report for 2021 July
Monthly Climatological Summary for Jul 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 71.0 80.2 13:27 60.6 23:56 0.3 6.4 0.02 0.4 6.0 22:39 SSE
2 66.5 76.4 15:45 57.0 05:17 2.4 3.9 0.02 0.1 6.0 05:02 SE
3 71.5 86.0 16:00 54.8 03:26 2.7 9.2 0.01 0.5 9.0 03:51 WNW
4 78.2 90.6 16:10 65.4 05:42 0.0 13.2 0.01 0.3 9.0 03:51 NW
5 80.7 91.0 16:14 70.8 06:34 0.0 15.7 0.01 0.4 12.0 05:21 ESE
6 81.3 91.0 15:39 74.4 06:21 0.0 16.3 0.01 0.4 12.0 05:21 E
7 78.1 89.8 14:33 69.4 23:57 0.0 13.0 0.00 0.3 8.0 04:11 NNW
8 66.4 69.4 00:00 63.2 23:53 0.2 1.6 0.01 0.2 8.0 04:11 WNW
9 68.2 78.8 15:58 56.9 05:41 1.9 5.1 0.00 0.1 7.0 03:38 NNE
10 67.4 76.1 11:17 61.2 05:41 0.9 3.2 0.01 0.3 7.0 11:08 E
11 65.8 67.6 16:34 64.4 06:04 0.0 0.8 0.00 0.1 6.0 01:56 SSW
12 69.3 74.5 17:38 65.5 06:06 0.0 4.3 0.08 0.0 5.0 04:06 E
13 71.2 78.8 17:26 67.4 05:15 0.0 6.2 0.09 0.2 7.0 15:18 NW
14 74.4 82.9 13:47 64.4 05:40 0.0 9.4 0.01 0.0 7.0 03:42 SE
15 72.3 79.0 15:37 66.5 23:58 0.0 7.3 0.79 0.1 6.0 03:33 ENE
16 68.1 72.9 15:51 64.5 05:58 0.0 3.1 0.00 0.0 7.0 02:25 NNW
17 72.3 80.8 15:30 64.9 06:12 0.0 7.2 0.00 0.1 8.0 21:16 SSE
18 73.3 84.9 14:35 64.5 04:02 0.0 8.3 0.00 0.1 5.0 01:37 SE
19 74.3 87.4 16:15 64.6 05:46 0.0 9.3 0.00 0.1 5.0 01:42 NW
20 74.2 87.5 15:56 63.5 05:42 0.2 9.4 0.00 0.3 9.0 13:08 W
21 69.9 76.4 16:54 64.8 05:22 0.0 4.9 0.00 0.0 9.0 01:33 E
22 74.4 86.1 14:46 62.2 03:27 0.4 9.8 0.00 0.0 4.0 02:10 ESE
23 80.8 85.7 12:00 71.6 05:53 0.0 15.7 0.00 0.5 5.0 11:54 NW
24 84.1 85.7 00:00 79.2 23:58 0.0 7.4 0.00 0.8 11.0 06:09 NW
25 80.5 90.2 14:01 70.5 06:25 0.0 15.4 0.00 0.3 11.0 06:09 WNW
26 80.5 96.1 15:53 68.0 06:22 0.0 15.4 0.00 0.1 8.0 04:17 WNW
27 77.4 88.1 15:41 67.0 06:22 0.0 12.3 0.00 0.1 7.0 06:12 ESE
28 78.8 87.9 17:08 71.7 08:27 0.0 13.8 0.46 0.0 6.0 05:10 NW
29 78.1 90.9 16:01 67.9 04:41 0.0 13.0 0.24 0.6 17.0 21:30 WNW
30 69.0 75.8 13:26 63.9 23:50 0.1 4.0 0.00 0.1 12.0 02:01 SSW
31 70.0 80.8 16:10 58.9 06:17 1.1 6.1 0.00 0.3 8.0 12:23 WNW
----------------------------------------------------------------------------------
73.8 96.1 26 54.8 3 10.2 270.7 1.77 0.2 17.0 29 NW
Max >= 80.0: 20
Max <= 25.2: 0
Min <= 32.0: 0
Min <= 0.0: 0
Max Rain: 0.79 on day 15
Days of Rain: 14 (>= 0.01 in) 3 (>= 0.10 in) 0 (>= 1.00 in)
Heat Base: 65.0 Cool Base: 65.0 Method: Integration