Climatological Report (Daily)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
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107
CDUS43 KLOT 170647
CLIRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
147 AM CDT SAT MAY 17 2025
...................................
...THE ROCKFORD IL CLIMATE SUMMARY FOR MAY 16 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 88 2:09 PM 90 1992 71 17 79
MINIMUM 54 11:59 PM 29 1997 50 4 49
AVERAGE 71 60 11 64
PRECIPITATION (IN)
YESTERDAY 0.07 2.54 1974 0.13 -0.06 0.00
MONTH TO DATE 0.94 1.99 -1.05 2.94
SINCE MAR 1 5.92 8.14 -2.22 11.41
SINCE JAN 1 7.17 11.37 -4.20 13.98
SNOWFALL (IN)
YESTERDAY 0.0 T 2014 0.0 0.0 0.0
MONTH TO DATE 0.0 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 MM
DEGREE DAYS
HEATING
YESTERDAY 0 6 -6 1
MONTH TO DATE 91 132 -41 57
SINCE MAR 1 1215 1474 -259 1144
SINCE JUL 1 5810 6402 -592 5318
COOLING
YESTERDAY 6 2 4 0
MONTH TO DATE 34 15 19 6
SINCE MAR 1 38 22 16 22
SINCE JAN 1 38 22 16 22
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 52 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 15.4
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
LIGHT RAIN
HAIL
RELATIVE HUMIDITY (PERCENT)
HIGHEST 77 4:00 AM
LOWEST 21 1:00 PM
AVERAGE 49
..........................................................
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 2025...........SUNRISE 5:33 AM CDT SUNSET 8:13 PM CDT
MAY 18 2025...........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.
$$