Climatological Report (Daily)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
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CDUS43 KLOT 310635
CLIRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
135 AM CDT FRI JUL 31 2026
...................................
...THE ROCKFORD IL CLIMATE SUMMARY FOR JULY 30 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 85 2:25 PM 104 1916 84 1 78
MINIMUM 55 5:21 AM 47 1971 63 -8 66
AVERAGE 70 73 -3 72
PRECIPITATION (IN)
YESTERDAY 0.00 1.48 1970 0.12 -0.12 0.48
MONTH TO DATE 2.53 3.68 -1.15 6.49
SINCE JUN 1 8.41 8.91 -0.50 9.87
SINCE JAN 1 19.39 22.47 -3.08 18.27
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 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 27 -15 9
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 5 8 -3 7
MONTH TO DATE 310 268 42 350
SINCE JUN 1 460 450 10 613
SINCE JAN 1 528 511 17 651
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 2.8
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 2:00 AM
LOWEST 42 11:00 AM
AVERAGE 69
..........................................................
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 105 1916
MINIMUM TEMPERATURE (F) 63 43 1918
SUNRISE AND SUNSET
JULY 31 2026..........SUNRISE 5:48 AM CDT SUNSET 8:16 PM CDT
AUGUST 1 2026........SUNRISE 5:49 AM CDT SUNSET 8:15 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$