Climatological Report (Monthly)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
215
CXUS53 KLOT 011517
CLMRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1017 AM CDT FRI AUG 01 2025
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...THE ROCKFORD IL CLIMATE SUMMARY FOR THE MONTH OF JULY 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1905 TO 2025
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 93 07/05 90 07/31
07/28
LOWEST 53 07/18 50 07/01
AVG. MAXIMUM 85.8 83.9 1.9 83.0
AVG. MINIMUM 66.6 63.6 3.0 63.0
MEAN 76.2 73.8 2.4 73.0
DAYS MAX >= 90 8 5.0 3.0 1
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 6.49 3.81 2.68 7.79
DAILY AVG. 0.21 0.12 0.09 0.25
DAYS >= .01 14 9.1 4.9 13
DAYS >= .10 8 6.0 2.0 10
DAYS >= .50 5 2.8 2.2 4
DAYS >= 1.00 3 0.8 2.2 3
GREATEST
24 HR. TOTAL 1.73 07/10 TO 07/11 3.68
DEGREE DAYS
HEATING TOTAL 0 3 -3 2
SINCE 7/1 0 0 0 MM
COOLING TOTAL 355 274 81 258
SINCE 1/1 656 517 139 MM
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WIND (MPH)
AVERAGE WIND SPEED 5.6
HIGHEST WIND SPEED/DIRECTION 31/280 DATE 07/11
HIGHEST GUST SPEED/DIRECTION 40/270 DATE 07/11
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.59
NUMBER OF DAYS FAIR 6
NUMBER OF DAYS PC 15
NUMBER OF DAYS CLOUDY 10
AVERAGE RH (PERCENT) 71
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 10 MIXED PRECIP 0
HEAVY RAIN 4 RAIN 8
LIGHT RAIN 16 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 21 FOG W/VIS <= 1/4 MILE 2
HAZE 11
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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