Climatological Report (Daily)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
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066
CDUS43 KLOT 210635
CLIRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
135 AM CDT TUE JUL 21 2026
...................................
...THE ROCKFORD IL CLIMATE SUMMARY FOR JULY 20 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 83 3:40 PM 102 1930 84 -1 78
MINIMUM 58 4:19 AM 49 1927 64 -6 65
AVERAGE 71 74 -3 72
PRECIPITATION (IN)
YESTERDAY 0.10 2.45 2017 0.12 -0.02 T
MONTH TO DATE 2.53 2.45 0.08 4.73
SINCE JUN 1 8.41 7.68 0.73 8.11
SINCE JAN 1 19.39 21.24 -1.85 16.51
SNOWFALL (IN)
YESTERDAY 0.0 T 1994 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 6 9 -3 7
MONTH TO DATE 234 179 55 211
SINCE JUN 1 384 361 23 474
SINCE JAN 1 452 422 30 512
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 7.5
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 3:00 AM
LOWEST 65 4:00 PM
AVERAGE 79
..........................................................
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 102 1934
MINIMUM TEMPERATURE (F) 64 43 1944
SUNRISE AND SUNSET
JULY 21 2026..........SUNRISE 5:39 AM CDT SUNSET 8:26 PM CDT
JULY 22 2026..........SUNRISE 5:40 AM CDT SUNSET 8:26 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$