498
CDUS43 KLOT 110633
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT MON SEP 11 2023
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 10 2023
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 83 2:54 PM 95 1983 78 5 84
2013
MINIMUM 54 4:05 AM 44 1943 59 -5 63
AVERAGE 69 69 0 74
PRECIPITATION (IN)
YESTERDAY 0.01 2.48 1922 0.10 -0.09 0.00
MONTH TO DATE 0.12 1.12 -1.00 T
SINCE SEP 1 0.12 1.12 -1.00 T
SINCE JAN 1 24.38 27.83 -3.45 25.11
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 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 2 7 -5 0
SINCE SEP 1 2 7 -5 0
SINCE JUL 1 4 13 -9 0
COOLING
YESTERDAY 4 5 -1 9
MONTH TO DATE 93 58 35 85
SINCE SEP 1 93 58 35 85
SINCE JAN 1 1027 930 97 1086
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 3.9
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 3:00 AM
LOWEST 38 3:00 PM
AVERAGE 61
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 95 1952
MINIMUM TEMPERATURE (F) 59 42 1993
SUNRISE AND SUNSET
SEPTEMBER 11 2023.....SUNRISE 6:27 AM CDT SUNSET 7:08 PM CDT
SEPTEMBER 12 2023.....SUNRISE 6:28 AM CDT SUNSET 7:07 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page