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
604
CDUS43 KLOT 170650
CLIRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
150 AM CDT MON AUG 17 2026
...................................
...THE ROCKFORD IL CLIMATE SUMMARY FOR AUGUST 16 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 86 2:48 PM 104 1988 82 4 89
MINIMUM 66 11:54 PM 44 1992 62 4 68
AVERAGE 76 72 4 79
PRECIPITATION (IN)
YESTERDAY 0.04 3.58 1968 0.14 -0.10 0.08
MONTH TO DATE 1.95 2.13 -0.18 2.29
SINCE JUN 1 10.84 11.17 -0.33 12.16
SINCE JAN 1 21.82 24.73 -2.91 20.56
SNOWFALL (IN)
YESTERDAY 0.0 T 1935 0.0 0.0 0.0
1948
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE JUN 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 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 12 30 -18 9
SINCE JUL 1 0 3 -3 0
COOLING
YESTERDAY 11 7 4 14
MONTH TO DATE 130 126 4 146
SINCE JUN 1 593 582 11 764
SINCE JAN 1 661 643 18 802
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 9.0
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 12:00 AM
LOWEST 65 3:00 PM
AVERAGE 81
..........................................................
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 102 1988
MINIMUM TEMPERATURE (F) 62 46 1924
SUNRISE AND SUNSET
AUGUST 17 2026........SUNRISE 6:06 AM CDT SUNSET 7:54 PM CDT
AUGUST 18 2026........SUNRISE 6:07 AM CDT SUNSET 7:53 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$