Climatological Report (Monthly)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
543
CXUS53 KLOT 020941
CLMRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
441 AM CDT SUN AUG 02 2026
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...THE ROCKFORD IL CLIMATE SUMMARY FOR THE MONTH OF JULY 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1905 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 112 07/14/1936
LOW 43 07/05/1967
07/21/1944
07/31/1918
HIGHEST 96 07/27 93 07/05
07/28
LOWEST 52 07/23 53 07/18
AVG. MAXIMUM 85.4 83.9 1.5 85.8
AVG. MINIMUM 64.4 63.6 0.8 66.6
MEAN 74.9 73.8 1.1 76.2
DAYS MAX >= 90 10 5.0 5.0 8
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.0 0.0 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 11.81 1952
MINIMUM 0.05 1937
TOTALS 3.01 3.81 -0.80 6.49
DAILY AVG. 0.10 0.12 -0.02 0.21
DAYS >= .01 6 9.1 -3.1 14
DAYS >= .10 5 6.0 -1.0 8
DAYS >= .50 2 2.8 -0.8 5
DAYS >= 1.00 1 0.8 0.2 3
GREATEST
24 HR. TOTAL 1.61 07/03 TO 07/04 1.73
DEGREE DAYS
HEATING TOTAL 0 3 -3 0
SINCE 7/1 0 0 0 MM
COOLING TOTAL 313 274 39 355
SINCE 1/1 531 517 14 MM
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WIND (MPH)
AVERAGE WIND SPEED 5.5
HIGHEST WIND SPEED/DIRECTION 26/170 DATE 07/20
HIGHEST GUST SPEED/DIRECTION 39/170 DATE 07/20
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.49
NUMBER OF DAYS FAIR 8
NUMBER OF DAYS PC 18
NUMBER OF DAYS CLOUDY 5
AVERAGE RH (PERCENT) 73
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 7 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 5
LIGHT RAIN 7 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 14 FOG W/VIS <= 1/4 MILE 1
HAZE 7
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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