759
CDUS43 KLOT 202157
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
457 PM CDT TUE MAY 20 2025
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR MAY 20 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 58 2:59 PM 95 1977 73 -15 85
MINIMUM 50 6:55 AM 36 1981 53 -3 63
AVERAGE 54 63 -9 74
PRECIPITATION (IN)
TODAY 0.39 2.54 1975 0.13 0.26 0.15
MONTH TO DATE 0.99 2.66 -1.67 3.50
SINCE MAR 1 7.57 8.11 -0.54 11.98
SINCE JAN 1 8.93 11.05 -2.12 14.96
DEGREE DAYS
HEATING
TODAY 11 5 6 0
MONTH TO DATE 128 139 -11 40
SINCE MAR 1 1105 1366 -261 985
SINCE JUL 1 5043 5689 -646 4534
COOLING
TODAY 0 3 -3 9
MONTH TO DATE 38 33 5 55
SINCE MAR 1 51 44 7 72
SINCE JAN 1 51 44 7 72
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 15.6
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 1:00 PM
LOWEST 64 2:00 AM
AVERAGE 76
......................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 94 1934
MINIMUM TEMPERATURE (F) 54 34 2002
SUNRISE AND SUNSET
MAY 20 2025...........SUNRISE 5:26 AM CDT SUNSET 8:09 PM CDT
MAY 21 2025...........SUNRISE 5:25 AM CDT SUNSET 8:10 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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