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
135
CDUS43 KLOT 030634
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1234 AM CST WED DEC 03 2025
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 2 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 24 12:25 AM 71 1982 41 -17 25
MINIMUM 17 11:46 AM -1 1893 28 -11 14
1942
AVERAGE 21 34 -13 20
PRECIPITATION (IN)
YESTERDAY T 4.47 1982 0.08 -0.08 0.00
MONTH TO DATE 0.13 0.16 -0.03 0.00
SINCE DEC 1 0.13 0.16 -0.03 0.00
SINCE JAN 1 27.85 35.91 -8.06 32.99
SNOWFALL (IN)
YESTERDAY 0.1 5.6 1991 0.2 -0.1 0.0
MONTH TO DATE 1.5 0.4 1.1 0.0
SINCE DEC 1 1.5 0.4 1.1 0.0
SINCE JUL 1 11.9 2.4 9.5 2.9
SNOW DEPTH 7
DEGREE DAYS
HEATING
YESTERDAY 44 30 14 45
MONTH TO DATE 85 60 25 89
SINCE DEC 1 85 60 25 89
SINCE JUL 1 1054 1211 -157 856
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1215 1003 212 1212
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 9.2
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 3:00 AM
LOWEST 77 12:00 PM
AVERAGE 87
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 41 71 1970
MINIMUM TEMPERATURE (F) 28 -5 1940
SUNRISE AND SUNSET
DECEMBER 3 2025......SUNRISE 7:02 AM CST SUNSET 4:21 PM CST
DECEMBER 4 2025......SUNRISE 7:03 AM CST SUNSET 4:20 PM CST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$