653
CDUS43 KLOT 170731
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
231 AM CDT FRI APR 17 2026
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR APRIL 16 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 74 3:10 PM 88 2002 60 14 50
MINIMUM 50 11:59 PM 26 1949 42 8 36
1962
AVERAGE 62 51 11 43
PRECIPITATION (IN)
YESTERDAY 0.05 1.33 2006 0.14 -0.09 0.00
MONTH TO DATE 3.36 1.65 1.71 2.04
SINCE MAR 1 7.46 3.53 3.93 5.43
SINCE JAN 1 10.02 6.47 3.55 6.79
DEGREE DAYS
HEATING
YESTERDAY 3 14 -11 22
MONTH TO DATE 187 274 -87 291
SINCE MAR 1 809 1062 -253 880
SINCE JUL 1 5019 5385 -366 4818
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 17 0 17 0
SINCE MAR 1 19 2 17 0
SINCE JAN 1 19 2 17 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 11.3
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 10:00 PM
LOWEST 53 3:00 PM
AVERAGE 77
......................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 61 88 1976
MINIMUM TEMPERATURE (F) 42 29 1944
1983
SUNRISE AND SUNSET
APRIL 17 2026.........SUNRISE 6:08 AM CDT SUNSET 7:34 PM CDT
APRIL 18 2026.........SUNRISE 6:06 AM CDT SUNSET 7:35 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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