309
CDUS43 KLOT 180639
CLIRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
139 AM CDT SUN MAY 18 2025
...............................
..THE ROCKFORD IL CLIMATE SUMMARY FOR MAY 17 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1905 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 70 3:56 PM 91 1934 72 -2 82
MINIMUM 51 4:46 AM 32 1930 50 1 51
AVERAGE 61 61 0 67
PRECIPITATION (IN)
YESTERDAY 0.00 2.25 1969 0.14 -0.14 0.00
MONTH TO DATE 0.94 2.13 -1.19 2.94
SINCE MAR 1 5.92 8.28 -2.36 11.41
SINCE JAN 1 7.17 11.51 -4.34 13.98
SNOWFALL (IN)
YESTERDAY 0.0 T 2017 0.0 0.0 0.0
MONTH TO DATE T 0.0 0.0 T
SINCE MAR 1 4.2 5.8 -1.6 6.1
SINCE JUL 1 17.1 37.1 -20.0 27.3
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 4 6 -2 0
MONTH TO DATE 95 138 -43 57
SINCE MAR 1 1219 1480 -261 1144
SINCE JUL 1 5814 6408 -594 5318
COOLING
YESTERDAY 0 2 -2 2
MONTH TO DATE 34 17 17 8
SINCE MAR 1 38 24 14 24
SINCE JAN 1 38 24 14 24
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WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 16.2
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 71 12:00 AM
LOWEST 39 2:00 PM
AVERAGE 55
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THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 94 1934
MINIMUM TEMPERATURE (F) 50 31 2002
SUNRISE AND SUNSET
MAY 18 2025...........SUNRISE 5:32 AM CDT SUNSET 8:14 PM CDT
MAY 19 2025...........SUNRISE 5:31 AM CDT SUNSET 8:15 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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