Climatological Report (Daily)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
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
696
CDUS43 KLOT 280641
CLIRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
141 AM CDT MON SEP 28 2026
...................................
...THE ROCKFORD IL CLIMATE SUMMARY FOR SEPTEMBER 27 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1905 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 75 2:02 PM 90 2021 71 4 87
MINIMUM 46 6:10 AM 29 1942 49 -3 54
AVERAGE 61 60 1 71
PRECIPITATION (IN)
YESTERDAY 0.00 2.00 1999 0.10 -0.10 0.00
MONTH TO DATE 6.45 3.34 3.11 1.05
SINCE SEP 1 6.45 3.34 3.11 1.05
SINCE JAN 1 28.68 30.13 -1.45 22.62
SNOWFALL (IN)
YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 4 6 -2 0
MONTH TO DATE 44 84 -40 59
SINCE SEP 1 44 84 -40 59
SINCE JUL 1 44 95 -51 78
COOLING
YESTERDAY 0 1 -1 6
MONTH TO DATE 146 85 61 96
SINCE SEP 1 146 85 61 96
SINCE JAN 1 893 824 69 953
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 1.3
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 4:00 AM
LOWEST 39 1:00 PM
AVERAGE 70
..........................................................
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 91 1952
MINIMUM TEMPERATURE (F) 48 24 1942
SUNRISE AND SUNSET
SEPTEMBER 28 2026.....SUNRISE 6:50 AM CDT SUNSET 6:43 PM CDT
SEPTEMBER 29 2026.....SUNRISE 6:51 AM CDT SUNSET 6:41 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$