821
CDUS43 KLOT 172134
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CDT THU APR 17 2025
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR APRIL 17 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1928 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 66 1:53 PM 88 1976 61 5 70
MINIMUM 42 1:05 AM 29 1944 42 0 54
1983
AVERAGE 54 51 3 62
PRECIPITATION (IN)
TODAY T 1.87 2013 0.13 -0.13 0.02
MONTH TO DATE 2.04 1.78 0.26 1.47
SINCE MAR 1 5.43 3.66 1.77 5.47
SINCE JAN 1 6.79 6.60 0.19 8.45
DEGREE DAYS
HEATING
TODAY 11 14 -3 3
MONTH TO DATE 302 288 14 200
SINCE MAR 1 891 1076 -185 802
SINCE JUL 1 4829 5399 -570 4351
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 7
SINCE MAR 1 0 2 -2 7
SINCE JAN 1 0 2 -2 7
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 50 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 13.6
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 76 1:00 AM
LOWEST 28 1:00 PM
AVERAGE 52
......................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 61 89 2002
MINIMUM TEMPERATURE (F) 42 25 1983
SUNRISE AND SUNSET
APRIL 17 2025.........SUNRISE 6:07 AM CDT SUNSET 7:34 PM CDT
APRIL 18 2025.........SUNRISE 6:06 AM CDT SUNSET 7:36 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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