Climatological Report (Daily)
Issued by NWS
Issued by NWS
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043
CDUS43 KLOT 170647
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
147 AM CDT SAT MAY 17 2025
...................................
...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR MAY 16 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 89 3:50 PM 94 1962 71 18 76
MINIMUM 63 MM 35 1940 52 11 52
AVERAGE 76 62 14 64
PRECIPITATION (IN)
YESTERDAY T 1.38 1974 0.12 -0.12 0.19
MONTH TO DATE 0.60 2.12 -1.52 3.35
SINCE MAR 1 7.18 7.57 -0.39 11.83
SINCE JAN 1 8.54 10.51 -1.97 14.81
DEGREE DAYS
HEATING
YESTERDAY 0 6 -6 1
MONTH TO DATE 92 119 -27 40
SINCE MAR 1 1069 1346 -277 985
SINCE JUL 1 5007 5669 -662 4534
COOLING
YESTERDAY 11 2 9 0
MONTH TO DATE 38 24 14 26
SINCE MAR 1 51 35 16 43
SINCE JAN 1 51 35 16 43
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 41 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 60 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 16.1
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
SANDSTORM
RELATIVE HUMIDITY (PERCENT)
HIGHEST 56 4:00 AM
LOWEST 17 4:00 PM
AVERAGE 37
..........................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 94 1962
MINIMUM TEMPERATURE (F) 52 36 1929
1973
SUNRISE AND SUNSET
MAY 17 2025...........SUNRISE 5:29 AM CDT SUNSET 8:06 PM CDT
MAY 18 2025...........SUNRISE 5:28 AM CDT SUNSET 8:07 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$