Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 160636
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
136 AM CDT SUN AUG 16 2026
...................................
...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR AUGUST 15 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1928 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 81 5:32 PM 98 1944 83 -2 92
MINIMUM 72 8:34 AM 48 1929 67 5 72
AVERAGE 77 75 2 82
PRECIPITATION (IN)
YESTERDAY 0.39 2.07 1934 0.14 0.25 0.00
MONTH TO DATE 3.85 1.92 1.93 0.35
SINCE JUN 1 17.37 9.48 7.89 12.38
SINCE JAN 1 31.26 21.96 9.30 21.95
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 3 25 -22 9
SINCE JUL 1 0 1 -1 0
COOLING
YESTERDAY 12 10 2 17
MONTH TO DATE 159 157 2 207
SINCE JUN 1 746 732 14 975
SINCE JAN 1 830 814 16 1026
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 6.8
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 8:00 AM
LOWEST 77 2:00 PM
AVERAGE 89
..........................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 101 1988
MINIMUM TEMPERATURE (F) 67 49 1976
SUNRISE AND SUNSET
AUGUST 16 2026........SUNRISE 6:00 AM CDT SUNSET 7:49 PM CDT
AUGUST 17 2026........SUNRISE 6:01 AM CDT SUNSET 7:48 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$