Climatological Report (Daily)
Issued by NWS
Issued by NWS
Versions:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
618
CDUS43 KLOT 012245
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
445 PM CST MON DEC 01 2025
...................................
...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR DECEMBER 1 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1928 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 30 2:07 PM 68 1970 42 -12 28
MINIMUM 19 4:29 AM 5 1930 29 -10 14
AVERAGE 25 36 -11 21
PRECIPITATION (IN)
TODAY T 1.04 2006 0.07 -0.07 0.00
MONTH TO DATE T 0.07 -0.07 0.00
SINCE DEC 1 T 0.07 -0.07 0.00
SINCE JAN 1 29.69 32.70 -3.01 35.19
DEGREE DAYS
HEATING
TODAY 40 29 11 44
MONTH TO DATE 40 29 11 44
SINCE DEC 1 40 29 11 44
SINCE JUL 1 949 1113 -164 750
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1410 1112 298 1384
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 4.3
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT SNOW
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 3:00 AM
LOWEST 69 11:00 AM
AVERAGE 81
..........................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 42 69 1982
MINIMUM TEMPERATURE (F) 29 -1 1940
1942
SUNRISE AND SUNSET
DECEMBER 1 2025......SUNRISE 6:59 AM CST SUNSET 4:21 PM CST
DECEMBER 2 2025......SUNRISE 7:00 AM CST SUNSET 4:21 PM CST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$