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Report for 2021 December
                   Monthly Climatological Summary for Dec 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  41.0  45.2   13:50  31.7   00:00  23.5   0.0  0.00   0.5  13.0   00:53    SE
 2  48.9  56.7   11:13  41.9   21:06  16.0   0.0  0.00   1.2  16.0   23:23   WSW
 3  44.4  54.0   13:38  36.6   23:54  20.6   0.0  0.00   0.2  13.0   00:07     E
 4  36.0  43.6   13:22  29.2   07:29  28.9   0.0  0.00   0.9  11.0   13:51     W
 5  36.6  40.0   20:07  33.1   10:49  28.4   0.0  0.01   1.2  17.0   17:41     E
 6  27.0  35.7   00:00  12.8   23:53  37.4   0.0  0.00   3.4  26.0   10:16     W
 7  17.6  23.4   23:20  10.7   03:56  47.1   0.0  0.00   0.4  22.0   01:01   ESE
 8  27.1  33.4   13:26  23.1   01:05  37.8   0.0  0.00   0.7  10.0   12:39     W
 9  36.4  45.0   15:25  23.9   00:09  28.5   0.0  0.00   1.1  23.0   19:01     E
10  42.8  57.3   21:50  34.7   04:37  22.1   0.0  0.01   0.5  13.0   13:06    SE
11  39.4  55.5   03:09  29.3   23:49  25.5   0.0  0.00   2.3  25.0   21:01   WSW
12  37.6  47.3   15:19  29.2   04:10  27.4   0.0  0.00   1.4  24.0   00:08    SE
13  38.6  48.1   13:40  32.6   23:59  26.3   0.0  0.00   0.5  10.0   05:42     S
14  43.1  52.3   19:21  31.9   02:15  21.9   0.0  0.00   1.1  11.0   06:27     E
15  58.4  63.4   23:22  49.0   00:00   6.5   0.0  0.00   3.2  21.0   22:56   ESE
16  42.4  63.8   01:41  30.6   23:57  22.5   0.0  0.00   2.7  21.0   09:27   SSW
17  32.1  39.9   13:41  22.8   06:56  32.8   0.0  0.00   0.2  11.0   01:34   SSW
18  34.1  37.3   00:59  30.3   20:02  30.9   0.0  0.01   1.0  11.0   21:33   WNW
19  31.0  36.1   13:13  25.5   07:51  33.9   0.0  0.01   0.4  11.0   00:36    SE
20  32.7  41.4   14:38  26.6   23:44  32.3   0.0  0.00   1.1  10.0   08:31   SSE
21  30.9  39.6   13:05  23.1   07:35  33.9   0.0  0.00   1.8  16.0   08:37    SW
22  23.1  29.6   13:27  16.6   07:28  41.8   0.0  0.00   1.1  16.0   08:37     W
23  35.3  44.6   14:06  23.7   01:41  29.7   0.0  0.00   0.6  10.0   21:40    SE
24  46.6  55.3   18:49  33.7   01:42  18.4   0.0  0.00   1.0   9.0   21:48   ESE
25  43.0  52.3   00:00  30.8   23:56  22.0   0.0  0.05   0.3   8.0   04:25    NW
26  34.2  42.7   11:50  26.0   07:56  30.8   0.0  0.40   0.5  14.0   09:48    SE
27  37.3  43.8   11:57  31.1   23:26  27.7   0.0  0.25   0.7  16.0   23:38   WSW
28  32.3  34.5   10:07  29.6   04:07  32.7   0.0  0.04   0.2  15.0   03:31   WSW
29  31.9  34.6   01:34  28.3   23:11  33.1   0.0  0.13   0.5   9.0   10:19     W
30  31.8  34.5   20:43  28.5   00:00  33.0   0.0  0.05   0.0   5.0   00:10   ---
31  36.6  41.0   15:27  30.9   08:13  28.3   0.0  0.12   0.2   7.0   11:01   WSW
----------------------------------------------------------------------------------
    36.5  63.8    16    10.7     7   881.7   0.0  1.08   0.9  26.0     6     SSW

Max >=  80.0:  0
Max <=  25.2:  1
Min <=  32.0: 24
Min <=   0.0:  0
Max Rain: 0.40 on day 26
Days of Rain: 11 (>= 0.01 in)  4 (>= 0.10 in)  0 (>= 1.00 in)
Heat Base: 65.0  Cool Base: 65.0  Method: Integration