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CXUS53 KLOT 011547
CLARFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
947 AM CST THU JAN 01 2026
...............................
..THE ROCKFORD IL CLIMATE SUMMARY FOR THE YEAR OF 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
............................................................
TEMPERATURE (F)
RECORD
HIGH 112 07/14/1936
LOW -31 01/31/2019
HIGHEST 94 05/15 98 08/27
06/22
LOWEST -11 02/18 -16 01/15
01/21
AVG. MAXIMUM 60.8 58.8 2.0 63.3
AVG. MINIMUM 39.5 40.0 -0.5 42.4
MEAN 50.1 49.4 0.7 52.8
DAYS MAX >= 90 20 14.8 5.2 18
DAYS MAX <= 32 57 50.0 7.0 26
DAYS MIN <= 32 135 135.8 -0.8 112
DAYS MIN <= 0 16 11.5 4.5 8
PRECIPITATION (INCHES)
RECORD
MAXIMUM 56.48 1973
MINIMUM 22.87 1910
TOTALS 27.74 37.24 -9.50 35.49
DAILY AVG. 0.08 0.10 -0.02 0.10
DAYS >= .01 103 120.7 -17.7 109
DAYS >= .10 51 69.0 -18.0 64
DAYS >= .50 19 23.6 -4.6 20
DAYS >= 1.00 7 8.8 -1.8 8
GREATEST
24 HR. TOTAL 1.79 06/18 TO 06/19 3.68
SNOWFALL (INCHES)
RECORDS
TOTAL 84.3 2008
TOTALS 31.1 37.1 -6.0 28.2
SINCE 7/1 19.2 11.9 7.3 5.2
DAYS >= 1.0 8 11.1 -3.1 9
GREATEST
SNOW DEPTH 9 11/30 10 01/13
12/07
01/14
24 HR TOTAL 8.0 11/29 TO 11/29 7.0
DEGREE DAYS
HEATING TOTAL 6304 6497 -193 5310
SINCE 7/1 2439 2486 -47 2073
COOLING TOTAL 1015 838 177 958
SINCE 1/1 1015 839 176 958
............................................................
WIND (MPH)
AVERAGE WIND SPEED 7.8
HIGHEST WIND SPEED/DIRECTION 44/200 DATE 05/15
HIGHEST GUST SPEED/DIRECTION 63/210 DATE 03/14
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.60
NUMBER OF DAYS FAIR 74
NUMBER OF DAYS PC 165
NUMBER OF DAYS CLOUDY 126
AVERAGE RH (PERCENT) 66
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 39 MIXED PRECIP 0
HEAVY RAIN 18 RAIN 37
LIGHT RAIN 130 FREEZING RAIN 0
LT FREEZING RAIN 10 HAIL 3
HEAVY SNOW 3 SNOW 8
LIGHT SNOW 56 SLEET 0
FOG 158 FOG W/VIS <= 1/4 MILE 12
HAZE 65
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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