Climatological Report (Monthly)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
209
CXUS53 KLOT 011650
CLMRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1150 AM CDT WED APR 01 2026
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...THE ROCKFORD IL CLIMATE SUMMARY FOR THE MONTH OF MARCH 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 85 03/29/1986
LOW -11 03/03/2014
03/04/2002
03/01/1962
HIGHEST 82 03/30 80 03/28
03/14
LOWEST 7 03/17 12 03/02
AVG. MAXIMUM 54.4 46.5 7.9 54.8
AVG. MINIMUM 30.6 28.1 2.5 31.0
MEAN 42.5 37.3 5.2 42.9
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 2 4.0 -2.0 1
DAYS MIN <= 32 18 21.9 -3.9 20
DAYS MIN <= 0 0 0.4 -0.4 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 6.20 1944
MINIMUM 0.27 1910
TOTALS 3.06 2.40 0.66 2.82
DAILY AVG. 0.10 0.08 0.02 0.09
DAYS >= .01 13 10.8 2.2 10
DAYS >= .10 6 5.3 0.7 8
DAYS >= .50 2 1.2 0.8 2
DAYS >= 1.00 2 0.5 1.5 0
GREATEST
24 HR. TOTAL 1.38 03/06 TO 03/07 0.92
SNOWFALL (INCHES)
RECORDS
TOTAL 22.7 1964
TOTALS 6.8 4.9 1.9 4.2
SINCE 7/1 30.8 36.2 -5.4 MM
SNOWDEPTH AVG. 1 0
DAYS >= 1.0 2 1.0 1.0 1
GREATEST
SNOW DEPTH 6 03/17 3 03/16
03/18
24 HR TOTAL 5.7 03/15 TO 03/16 4.1
DEGREE DAYS
HEATING TOTAL 689 860 -171 677
SINCE 7/1 5513 5787 -274 MM
COOLING TOTAL 0 2 -2 0
SINCE 1/1 0 2 -2 MM
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WIND (MPH)
AVERAGE WIND SPEED 10.0
HIGHEST WIND SPEED/DIRECTION 44/200 DATE 03/13
HIGHEST GUST SPEED/DIRECTION 62/200 DATE 03/13
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.72
NUMBER OF DAYS FAIR 1
NUMBER OF DAYS PC 13
NUMBER OF DAYS CLOUDY 17
AVERAGE RH (PERCENT) 66
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 8 MIXED PRECIP 0
HEAVY RAIN 3 RAIN 5
LIGHT RAIN 10 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 1 SNOW 2
LIGHT SNOW 7 SLEET 0
FOG 17 FOG W/VIS <= 1/4 MILE 3
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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