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
367
CDUS43 KLOT 010655
CLIPWK
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
155 AM CDT MON SEP 01 2025
...................................
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR AUGUST 31 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1996 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 75 2:45 PM 94 2012 80 -5 84
MINIMUM 50 4:52 AM 47 2009 62 -12 61
AVERAGE 63 71 -8 73
PRECIPITATION (IN)
YESTERDAY 0.00 0.17 2019 0.13 -0.13 0.00
MONTH TO DATE 3.26 3.70 -0.44 1.83
SINCE JUN 1 10.00 10.82 -0.82 12.10
SINCE JAN 1 17.77 22.34 -4.57 26.39
DEGREE DAYS
HEATING
YESTERDAY 2 0 2 0
MONTH TO DATE 8 0 8 2
SINCE JUN 1 29 40 -11 16
SINCE JUL 1 8 3 5 5
COOLING
YESTERDAY 0 6 -6 8
MONTH TO DATE 271 263 8 280
SINCE JUN 1 903 754 149 832
SINCE JAN 1 924 814 110 869
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 2.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 5:00 AM
LOWEST 50 11:00 AM
AVERAGE 73
..........................................................
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 94 2000
2011
MINIMUM TEMPERATURE (F) 62 46 2009
SUNRISE AND SUNSET
SEPTEMBER 1 2025.....SUNRISE 6:17 AM CDT SUNSET 7:25 PM CDT
SEPTEMBER 2 2025.....SUNRISE 6:18 AM CDT SUNSET 7:23 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$