987
CXUS53 KLOT 021919 CCA
CLMRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1010 AM CDT THU MAY 01 2025
...............................
..THE ROCKFORD IL CLIMATE SUMMARY FOR THE MONTH OF APRIL 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 93 04/10/1930
LOW 5 04/07/1982
HIGHEST 85 04/28 84 04/14
LOWEST 21 04/08 24 04/06
AVG. MAXIMUM 61.7 59.7 2.0 62.4
AVG. MINIMUM 38.2 38.5 -0.3 40.9
MEAN 49.9 49.1 0.8 51.7
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 8 7.4 0.6 5
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 9.92 1973
MINIMUM 0.28 1915
TOTALS 2.16 3.75 -1.59 3.89
DAILY AVG. 0.07 0.12 -0.05 0.13
DAYS >= .01 9 11.8 -2.8 13
DAYS >= .10 4 7.2 -3.2 9
DAYS >= .50 1 2.6 -1.6 1
DAYS >= 1.00 1 1.0 0.0 1
GREATEST
24 HR. TOTAL 1.12 04/02 TO 04/02 1.71
SNOWFALL (INCHES)
RECORDS
TOTAL 9.0 1936
TOTALS T 0.9 -0.9 0.5
SINCE 7/1 17.1 37.1 -20.0 MM
SNOWDEPTH AVG. 0 0
DAYS >= 1.0 0 0.0 0.0 0
GREATEST
SNOW DEPTH 0 0 MM
24 HR TOTAL T 0.5
DEGREE DAYS
HEATING TOTAL 447 482 -35 408
SINCE 7/1 5719 6271 -552 MM
COOLING TOTAL 4 5 -1 16
SINCE 1/1 4 7 -3 MM
............................................................
WIND (MPH)
AVERAGE WIND SPEED 9.5
HIGHEST WIND SPEED/DIRECTION 33/190 DATE 04/28
HIGHEST GUST SPEED/DIRECTION 49/300 DATE 04/14
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.69
NUMBER OF DAYS FAIR 2
NUMBER OF DAYS PC 14
NUMBER OF DAYS CLOUDY 14
AVERAGE RH (PERCENT) 59
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 2 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 2
LIGHT RAIN 19 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 1 SLEET 0
FOG 9 FOG W/VIS <= 1/4 MILE 0
HAZE 5
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page