527
CDUS43 KLOT 210704
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
204 AM CDT THU SEP 21 2023
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 20 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 80 3:30 PM 93 2018 74 6 86
MINIMUM 63 4:29 AM 36 1991 55 8 63
AVERAGE 72 65 7 75
PRECIPITATION (IN)
YESTERDAY 0.01 1.33 2001 0.11 -0.10 0.16
MONTH TO DATE 2.80 2.16 0.64 2.08
SINCE SEP 1 2.80 2.16 0.64 2.08
SINCE JAN 1 27.06 28.87 -1.81 27.19
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 3 -3 0
MONTH TO DATE 13 30 -17 4
SINCE SEP 1 13 30 -17 4
SINCE JUL 1 15 36 -21 4
COOLING
YESTERDAY 7 3 4 10
MONTH TO DATE 103 96 7 146
SINCE SEP 1 103 96 7 146
SINCE JAN 1 1037 968 69 1147
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 6.4
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 76 11:00 PM
LOWEST 52 4:00 PM
AVERAGE 64
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 94 2017
MINIMUM TEMPERATURE (F) 55 39 1889
1983
1991
SUNRISE AND SUNSET
SEPTEMBER 21 2023.....SUNRISE 6:38 AM CDT SUNSET 6:51 PM CDT
SEPTEMBER 22 2023.....SUNRISE 6:39 AM CDT SUNSET 6:49 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