671
CDUS43 KLOT 130632
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT SUN SEP 13 2026
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 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 88 1:45 PM 96 1952 77 11 84
MINIMUM 66 5:55 AM 44 1955 59 7 60
2014
AVERAGE 77 68 9 72
PRECIPITATION (IN)
YESTERDAY 0.00 2.43 1961 0.10 -0.10 0.00
MONTH TO DATE 0.06 1.33 -1.27 0.01
SINCE SEP 1 0.06 1.33 -1.27 0.01
SINCE JAN 1 31.03 28.04 2.99 22.46
SNOWFALL (IN)
YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 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 2 -2 0
MONTH TO DATE 0 10 -10 32
SINCE SEP 1 0 10 -10 32
SINCE JUL 1 0 16 -16 37
COOLING
YESTERDAY 12 4 8 7
MONTH TO DATE 156 67 89 26
SINCE SEP 1 156 67 89 26
SINCE JAN 1 1082 939 143 1018
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WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 8.1
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 6:00 AM
LOWEST 42 1:00 PM
AVERAGE 66
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 98 1939
MINIMUM TEMPERATURE (F) 58 39 1890
SUNRISE AND SUNSET
SEPTEMBER 13 2026.....SUNRISE 6:30 AM CDT SUNSET 7:04 PM CDT
SEPTEMBER 14 2026.....SUNRISE 6:31 AM CDT SUNSET 7:03 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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