Climatological Report (Monthly)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
478
CXUS53 KLOT 011611
CLMRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1111 AM CDT WED JUL 01 2026
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...THE ROCKFORD IL CLIMATE SUMMARY FOR THE MONTH OF JUNE 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 106 06/01/1934
LOW 35 06/05/1945
06/04/1945
HIGHEST 91 06/29 94 06/22
06/30
LOWEST 45 06/03 43 06/01
AVG. MAXIMUM 79.6 80.7 -1.1 84.6
AVG. MINIMUM 59.1 59.6 -0.5 61.7
MEAN 69.4 70.1 -0.7 73.2
DAYS MAX >= 90 2 4.0 -2.0 9
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 14.23 2018
MINIMUM 0.34 1922
TOTALS 5.88 5.23 0.65 3.38
DAILY AVG. 0.20 0.17 0.03 0.11
DAYS >= .01 13 11.4 1.6 9
DAYS >= .10 7 7.8 -0.8 5
DAYS >= .50 5 3.3 1.7 2
DAYS >= 1.00 2 1.5 0.5 1
GREATEST
24 HR. TOTAL 2.34 06/10 TO 06/11 1.79
DEGREE DAYS
HEATING TOTAL 12 27 -15 9
SINCE 7/1 6096 6493 -397 MM
COOLING TOTAL 150 182 -32 263
SINCE 1/1 218 243 -25 MM
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WIND (MPH)
AVERAGE WIND SPEED 7.5
HIGHEST WIND SPEED/DIRECTION 31/280 DATE 06/11
HIGHEST GUST SPEED/DIRECTION 43/280 DATE 06/11
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.63
NUMBER OF DAYS FAIR 2
NUMBER OF DAYS PC 20
NUMBER OF DAYS CLOUDY 8
AVERAGE RH (PERCENT) 70
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 7 MIXED PRECIP 0
HEAVY RAIN 5 RAIN 5
LIGHT RAIN 14 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 12 FOG W/VIS <= 1/4 MILE 0
HAZE 6
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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