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
855
CDUS43 KLOT 300644
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
144 AM CDT WED SEP 30 2026
...................................
...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR SEPTEMBER 29 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1928 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 80 2:33 PM 99 1953 71 9 90
MINIMUM 53 5:56 AM 33 1942 53 0 65
AVERAGE 67 62 5 78
PRECIPITATION (IN)
YESTERDAY 0.00 1.13 1929 0.08 -0.08 0.00
MONTH TO DATE 4.49 2.68 1.81 0.56
SINCE SEP 1 4.49 2.68 1.81 0.56
SINCE JAN 1 36.63 26.71 9.92 25.38
DEGREE DAYS
HEATING
YESTERDAY 0 5 -5 0
MONTH TO DATE 27 54 -27 21
SINCE SEP 1 27 54 -27 21
SINCE JUL 1 27 58 -31 23
COOLING
YESTERDAY 2 2 0 13
MONTH TO DATE 203 133 70 194
SINCE SEP 1 203 133 70 194
SINCE JAN 1 1174 1089 85 1335
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 5.3
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 1:00 AM
LOWEST 31 4:00 PM
AVERAGE 64
..........................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 92 1971
MINIMUM TEMPERATURE (F) 53 34 1984
SUNRISE AND SUNSET
SEPTEMBER 30 2026.....SUNRISE 6:47 AM CDT SUNSET 6:34 PM CDT
OCTOBER 1 2026.......SUNRISE 6:48 AM CDT SUNSET 6:33 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$