Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 170647
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
147 AM CDT THU JUL 17 2025
...................................
...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR JULY 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 92 2:03 PM 100 1931 85 7 87
MINIMUM 73 2:59 PM 49 1930 68 5 70
1945
AVERAGE 83 77 6 79
PRECIPITATION (IN)
YESTERDAY 0.22 2.48 1950 0.11 0.11 0.00
MONTH TO DATE 2.25 1.80 0.45 5.24
SINCE JUN 1 7.62 5.81 1.81 8.68
SINCE JAN 1 17.19 18.29 -1.10 24.66
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 9 24 -15 3
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 18 12 6 14
MONTH TO DATE 239 182 57 194
SINCE JUN 1 563 404 159 516
SINCE JAN 1 614 486 128 629
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 36 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 53 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 11.1
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85 3:00 PM
LOWEST 46 2:00 PM
AVERAGE 66
..........................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 100 1942
MINIMUM TEMPERATURE (F) 68 51 1940
SUNRISE AND SUNSET
JULY 17 2025..........SUNRISE 5:31 AM CDT SUNSET 8:23 PM CDT
JULY 18 2025..........SUNRISE 5:32 AM CDT SUNSET 8:22 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$