Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 220631
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
131 AM CDT TUE APR 22 2025
...................................
...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR APRIL 21 2025...
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)
YESTERDAY
MAXIMUM 64 2:00 AM 86 1985 62 2 59
MINIMUM 46 11:59 PM 28 1943 43 3 35
AVERAGE 55 53 2 47
PRECIPITATION (IN)
YESTERDAY 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
YESTERDAY 10 13 -3 18
MONTH TO DATE 331 341 -10 265
SINCE MAR 1 920 1129 -209 867
SINCE JUL 1 4858 5452 -594 4416
COOLING
YESTERDAY 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 17.0
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 1:00 AM
LOWEST 55 8:00 PM
AVERAGE 69
..........................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 63 91 1980
MINIMUM TEMPERATURE (F) 44 25 1936
SUNRISE AND SUNSET
APRIL 22 2025.........SUNRISE 6:00 AM CDT SUNSET 7:40 PM CDT
APRIL 23 2025.........SUNRISE 5:58 AM CDT SUNSET 7:41 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$