Climatological Report (Daily)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
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CDUS43 KLOT 170638
CLIRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
138 AM CDT THU APR 17 2025
...................................
...THE ROCKFORD IL CLIMATE SUMMARY FOR APRIL 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 58 3:54 PM 86 1977 60 -2 78
2002
MINIMUM 28 5:18 AM 19 1949 39 -11 53
AVERAGE 43 49 -6 66
PRECIPITATION (IN)
YESTERDAY 0.00 3.17 1972 0.13 -0.13 0.35
MONTH TO DATE 1.41 1.89 -0.48 2.69
SINCE MAR 1 4.23 4.29 -0.06 7.27
SINCE JAN 1 5.48 7.52 -2.04 9.84
SNOWFALL (IN)
YESTERDAY 0.0 4.4 1961 0.0 0.0 0.0
MONTH TO DATE T 0.6 -0.6 0.5
SINCE MAR 1 4.2 5.5 -1.3 6.1
SINCE JUL 1 17.1 36.8 -19.7 27.3
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 22 16 6 0
MONTH TO DATE 324 298 26 236
SINCE MAR 1 1001 1158 -157 915
SINCE JUL 1 5596 6086 -490 5089
COOLING
YESTERDAY 0 0 0 1
MONTH TO DATE 0 0 0 8
SINCE MAR 1 0 2 -2 8
SINCE JAN 1 0 2 -2 8
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 4.5
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 6:00 AM
LOWEST 21 5:00 PM
AVERAGE 50
..........................................................
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 60 86 1977
MINIMUM TEMPERATURE (F) 39 22 2022
SUNRISE AND SUNSET
APRIL 17 2025.........SUNRISE 6:12 AM CDT SUNSET 7:40 PM CDT
APRIL 18 2025.........SUNRISE 6:10 AM CDT SUNSET 7:42 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$