


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
683 CDUS43 KLOT 312133 CLIPWK CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 433 PM CDT THU JUL 31 2025 ................................... ...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR JULY 31 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 76 2:38 PM 98 2002 84 -8 93 2006 MINIMUM 69 6:12 AM 56 1997 66 3 70 AVERAGE 73 75 -2 82 PRECIPITATION (IN) TODAY 0.00 1.65 2010 0.10 -0.10 0.09 MONTH TO DATE 3.44 3.15 0.29 5.69 SINCE JUN 1 6.74 7.12 -0.38 10.27 SINCE JAN 1 14.51 18.64 -4.13 24.56 DEGREE DAYS HEATING TODAY 0 0 0 0 MONTH TO DATE 0 0 0 3 SINCE JUN 1 21 37 -16 14 SINCE JUL 1 0 0 0 3 COOLING TODAY 8 10 -2 17 MONTH TO DATE 370 310 60 295 SINCE JUN 1 634 491 143 552 SINCE JAN 1 655 551 104 589 ................................................................... WIND (MPH) HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (50) HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NE (30) AVERAGE WIND SPEED 12.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 90 12:00 AM LOWEST 53 9:00 AM AVERAGE 72 .......................................................... THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 84 99 2006 MINIMUM TEMPERATURE (F) 66 56 2019 SUNRISE AND SUNSET JULY 31 2025..........SUNRISE 5:44 AM CDT SUNSET 8:11 PM CDT AUGUST 1 2025........SUNRISE 5:45 AM CDT SUNSET 8:10 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$