Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 120632
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT SAT SEP 12 2026
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 11 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 82 2:28 PM 95 1952 77 5 77
MINIMUM 60 5:30 AM 42 1993 59 1 62
AVERAGE 71 68 3 70
PRECIPITATION (IN)
YESTERDAY 0.00 2.37 2000 0.11 -0.11 0.00
MONTH TO DATE 0.06 1.23 -1.17 0.01
SINCE SEP 1 0.06 1.23 -1.17 0.01
SINCE JAN 1 31.03 27.94 3.09 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 1 -1 0
MONTH TO DATE 0 8 -8 32
SINCE SEP 1 0 8 -8 32
SINCE JUL 1 0 14 -14 37
COOLING
YESTERDAY 6 5 1 5
MONTH TO DATE 144 63 81 19
SINCE SEP 1 144 63 81 19
SINCE JAN 1 1070 935 135 1011
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 6.7
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 3:00 AM
LOWEST 39 12:00 PM
AVERAGE 65
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 96 1952
MINIMUM TEMPERATURE (F) 59 44 1955
2014
SUNRISE AND SUNSET
SEPTEMBER 12 2026.....SUNRISE 6:29 AM CDT SUNSET 7:06 PM CDT
SEPTEMBER 13 2026.....SUNRISE 6:30 AM CDT SUNSET 7:04 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$