493
CDUS43 KLOT 170633
CLIRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT SUN MAY 17 2026
...............................
..THE ROCKFORD IL CLIMATE SUMMARY FOR MAY 16 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1905 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 84 4:46 PM 90 1992 71 13 88
MINIMUM 59 3:17 AM 29 1997 50 9 54
AVERAGE 72 60 12 71
PRECIPITATION (IN)
YESTERDAY 0.05 2.54 1974 0.13 -0.08 0.07
MONTH TO DATE 0.16 1.99 -1.83 0.94
SINCE MAR 1 9.68 8.14 1.54 5.92
SINCE JAN 1 10.62 11.37 -0.75 7.17
SNOWFALL (IN)
YESTERDAY 0.0 T 2014 0.0 0.0 T
2025
MONTH TO DATE 0.0 0.0 0.0 T
SINCE MAR 1 6.8 5.8 1.0 4.2
SINCE JUL 1 30.8 37.1 -6.3 17.1
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 6 -6 0
MONTH TO DATE 193 132 61 91
SINCE MAR 1 1237 1474 -237 1215
SINCE JUL 1 6061 6402 -341 5810
COOLING
YESTERDAY 7 2 5 6
MONTH TO DATE 9 15 -6 34
SINCE MAR 1 24 22 2 38
SINCE JAN 1 24 22 2 38
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WIND (MPH)
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 7.6
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 7:00 AM
LOWEST 38 3:00 PM
AVERAGE 66
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THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 91 1934
MINIMUM TEMPERATURE (F) 50 32 1930
SUNRISE AND SUNSET
MAY 17 2026...........SUNRISE 5:33 AM CDT SUNSET 8:13 PM CDT
MAY 18 2026...........SUNRISE 5:32 AM CDT SUNSET 8:14 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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