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
202
CDUS43 KLOT 172139
CLIPWK
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
439 PM CDT FRI OCT 17 2025
...................................
...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR OCTOBER 17 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 74 2:59 PM 82 2016 62 12 64
MINIMUM 56 3:25 AM 30 2015 44 12 31
AVERAGE 65 53 12 48
PRECIPITATION (IN)
TODAY 0.00 3.00 1998 0.09 -0.09 0.00
MONTH TO DATE 0.80 1.84 -1.04 0.24
SINCE SEP 1 2.50 4.88 -2.38 1.23
SINCE JAN 1 20.27 27.22 -6.95 27.62
DEGREE DAYS
HEATING
TODAY 0 12 -12 17
MONTH TO DATE 73 159 -86 122
SINCE SEP 1 107 241 -134 142
SINCE JUL 1 115 248 -133 147
COOLING
TODAY 0 0 0 0
MONTH TO DATE 43 11 32 4
SINCE SEP 1 183 117 66 142
SINCE JAN 1 1107 931 176 1011
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 10.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 64 7:00 AM
LOWEST 50 3:00 PM
AVERAGE 57
..........................................................
THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 62 78 2007
MINIMUM TEMPERATURE (F) 44 30 2009
2015
SUNRISE AND SUNSET
OCTOBER 17 2025.......SUNRISE 7:07 AM CDT SUNSET 6:06 PM CDT
OCTOBER 18 2025.......SUNRISE 7:08 AM CDT SUNSET 6:05 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$