495
CDUS43 KLOT 170633
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT SUN MAY 17 2026
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR MAY 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 83 2:10 PM 94 1962 71 12 89
MINIMUM 63 6:45 AM 35 1940 52 11 63
AVERAGE 73 62 11 76
PRECIPITATION (IN)
YESTERDAY 0.02 1.38 1974 0.12 -0.10 T
MONTH TO DATE 0.38 2.12 -1.74 0.60
SINCE MAR 1 10.11 7.57 2.54 7.18
SINCE JAN 1 12.67 10.51 2.16 8.54
DEGREE DAYS
HEATING
YESTERDAY 0 6 -6 0
MONTH TO DATE 164 119 45 92
SINCE MAR 1 1113 1346 -233 1069
SINCE JUL 1 5323 5669 -346 5007
COOLING
YESTERDAY 8 2 6 11
MONTH TO DATE 9 24 -15 38
SINCE MAR 1 30 35 -5 51
SINCE JAN 1 30 35 -5 51
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 10.6
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 6:00 AM
LOWEST 44 2:00 PM
AVERAGE 67
......................................................
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 2026...........SUNRISE 5:29 AM CDT SUNSET 8:06 PM CDT
MAY 18 2026...........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.
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