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Report for 2021 April
Monthly Climatological Summary for Apr 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 33.2 45.0 16:40 24.5 07:02 31.1 0.0 0.00 1.5 17.0 01:48 WNW
2 37.3 51.9 16:42 21.1 06:09 27.2 0.0 0.00 1.1 11.0 00:08 ESE
3 53.2 71.8 16:21 37.5 03:03 12.5 1.0 0.00 1.7 11.0 00:35 S
4 60.3 77.6 16:47 41.7 07:11 7.9 3.3 0.00 0.7 11.0 00:35 ESE
5 65.2 77.0 17:45 54.5 06:27 2.6 2.8 0.04 1.0 10.0 16:44 SSE
6 68.9 81.7 15:19 55.7 06:38 1.9 5.8 0.00 1.2 14.0 13:04 SE
7 67.7 82.6 14:56 56.6 05:01 1.9 4.6 0.00 1.1 14.0 01:28 ESE
8 56.8 68.3 00:10 49.3 19:09 8.3 0.1 0.14 0.8 13.0 10:57 ESE
9 54.0 63.0 17:02 49.0 05:10 11.0 0.0 0.03 1.2 13.0 01:59 SSE
10 50.7 56.4 13:01 44.5 05:03 14.2 0.0 0.01 0.4 13.0 01:59 S
11 49.7 56.4 17:48 42.5 03:03 15.2 0.0 0.02 0.2 10.0 11:59 W
12 53.8 61.3 13:02 45.3 23:59 11.2 0.0 0.00 1.5 19.0 02:34 WSW
13 46.8 54.8 16:05 40.6 06:32 18.1 0.0 0.01 1.3 19.0 02:34 WSW
14 41.8 49.9 14:28 32.5 05:47 21.2 0.0 0.03 1.9 16.0 06:08 W
15 45.3 56.8 14:36 37.3 01:49 19.6 0.0 0.01 1.9 16.0 06:08 WNW
16 47.4 62.9 15:49 35.8 02:49 17.5 0.0 0.00 0.5 15.0 01:54 WSW
17 46.6 60.3 16:35 35.7 03:26 18.3 0.0 0.00 0.4 7.0 01:13 SSE
18 50.0 62.9 15:50 35.3 06:21 15.0 0.0 0.00 0.5 10.0 01:29 SW
19 45.6 51.5 09:02 40.2 23:52 19.3 0.0 0.00 1.4 13.0 10:40 WSW
20 37.3 41.6 16:05 33.1 23:09 27.7 0.0 0.00 0.4 12.0 04:52 NNW
21 38.6 48.1 16:30 31.7 23:24 26.4 0.0 0.02 1.1 16.0 12:27 W
22 44.5 60.6 16:17 28.1 06:10 20.4 0.0 0.12 1.1 17.0 01:57 W
23 50.8 61.4 14:24 38.9 02:51 14.2 0.0 0.00 0.9 17.0 01:57 SE
24 54.9 65.3 16:45 49.2 05:14 10.1 0.0 0.00 0.4 11.0 01:19 WNW
25 44.7 55.4 13:42 39.6 21:02 20.2 0.0 0.00 0.8 9.0 00:04 SSW
26 60.0 79.1 17:13 38.9 06:31 9.5 4.6 0.00 2.1 15.0 06:04 ESE
27 73.8 88.1 16:40 61.8 06:14 0.4 9.2 0.00 1.9 15.0 06:04 SE
28 50.9 71.9 00:00 46.2 16:37 14.2 0.1 0.09 0.2 13.0 06:04 SE
29 55.7 71.3 17:13 45.9 03:35 10.0 0.7 0.06 1.4 19.0 07:20 W
30 51.5 59.2 11:01 42.3 05:16 8.1 0.0 0.00 1.1 19.0 07:20 W
----------------------------------------------------------------------------------
51.2 88.1 27 21.1 2 435.2 32.2 0.58 1.0 19.0 12 SSW
Max >= 80.0: 3
Max <= 25.2: 0
Min <= 32.0: 4
Min <= 0.0: 0
Max Rain: 0.14 on day 8
Days of Rain: 12 (>= 0.01 in) 2 (>= 0.10 in) 0 (>= 1.00 in)
Heat Base: 65.0 Cool Base: 65.0 Method: Integration