804
CDUS43 KLOT 130706
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
206 AM CDT THU AUG 13 2026
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR AUGUST 12 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 84 4:13 PM 101 1918 83 1 85
MINIMUM 71 10:36 AM 47 1982 66 5 72
AVERAGE 78 74 4 79
PRECIPITATION (IN)
YESTERDAY T 2.03 1908 0.14 -0.14 0.15
MONTH TO DATE 3.70 1.66 2.04 0.52
SINCE JUN 1 14.06 9.47 4.59 8.44
SINCE JAN 1 29.65 24.12 5.53 17.94
SNOWFALL (IN)
YESTERDAY 0.0 T 1989 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE JUN 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 11 33 -22 13
SINCE JUL 1 0 2 -2 0
COOLING
YESTERDAY 13 10 3 14
MONTH TO DATE 127 120 7 143
SINCE JUN 1 682 645 37 832
SINCE JAN 1 760 715 45 866
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 4.5
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 91 6:00 AM
LOWEST 59 4:00 PM
AVERAGE 75
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 98 1944
MINIMUM TEMPERATURE (F) 66 51 1982
2004
SUNRISE AND SUNSET
AUGUST 13 2026........SUNRISE 5:58 AM CDT SUNSET 7:55 PM CDT
AUGUST 14 2026........SUNRISE 5:59 AM CDT SUNSET 7:53 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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