Climatological Report (Monthly) Issued by NWS Chicago, IL
000
CXUS53 KLOT 011509
CLMRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1009 AM CDT TUE AUG 01 2023
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...THE ROCKFORD IL CLIMATE SUMMARY FOR THE MONTH OF JULY 2023...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1905 TO 2023
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 92 07/28 96 07/05
LOWEST 54 07/18 55 07/02
07/19
07/10
AVG. MAXIMUM 83.9 83.9 0.0 84.2
AVG. MINIMUM 61.5 63.6 -2.1 63.8
MEAN 72.7 73.8 -1.1 74.0
DAYS MAX >= 90 4 5.4 -1.4 2
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 4.32 3.81 0.51 5.43
DAILY AVG. 0.14 0.12 0.02 0.18
DAYS >= .01 8 9.1 -1.1 12
DAYS >= .10 6 6.0 0.0 7
DAYS >= .50 4 2.8 1.2 4
DAYS >= 1.00 1 0.8 0.2 3
GREATEST
24 HR. TOTAL 1.30 07/28 TO 07/28 1.51
DEGREE DAYS
HEATING TOTAL 0 3 -3 0
SINCE 7/1 0 0 0 MM
COOLING TOTAL 247 274 -27 288
SINCE 1/1 460 517 -57 MM
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WIND (MPH)
AVERAGE WIND SPEED 5.2
HIGHEST WIND SPEED/DIRECTION 29/240 DATE 07/28
HIGHEST GUST SPEED/DIRECTION 37/350 DATE 07/28
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.47
NUMBER OF DAYS FAIR 10
NUMBER OF DAYS PC 15
NUMBER OF DAYS CLOUDY 6
AVERAGE RH (PERCENT) 72
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 7 MIXED PRECIP 0
HEAVY RAIN 6 RAIN 4
LIGHT RAIN 13 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 16 FOG W/VIS <= 1/4 MILE 0
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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