485
CDUS43 KLOT 212132
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
432 PM CDT MON APR 21 2025
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR APRIL 21 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 64 2:00 AM 86 1985 62 2 59
MINIMUM 50 10:59 AM 28 1943 43 7 35
AVERAGE 57 53 4 47
PRECIPITATION (IN)
TODAY 0.01 1.08 1973 0.13 -0.12 0.00
MONTH TO DATE 2.66 2.30 0.36 1.54
SINCE MAR 1 6.05 4.18 1.87 5.54
SINCE JAN 1 7.41 7.12 0.29 8.52
DEGREE DAYS
HEATING
TODAY 8 13 -5 18
MONTH TO DATE 329 341 -12 265
SINCE MAR 1 918 1129 -211 867
SINCE JUL 1 4856 5452 -596 4416
COOLING
TODAY 0 0 0 0
MONTH TO DATE 5 0 5 7
SINCE MAR 1 5 2 3 7
SINCE JAN 1 5 2 3 7
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 49 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 20.2
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 1:00 AM
LOWEST 57 2:00 PM
AVERAGE 70
......................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 63 91 1980
MINIMUM TEMPERATURE (F) 44 25 1936
SUNRISE AND SUNSET
APRIL 21 2025.........SUNRISE 6:01 AM CDT SUNSET 7:39 PM CDT
APRIL 22 2025.........SUNRISE 6:00 AM CDT SUNSET 7:40 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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