224
CDUS43 KLOT 172136
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
436 PM CDT SUN SEP 17 2023
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 17 2023
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 64 12:51 PM 93 1955 75 -11 85
MINIMUM 59 8:35 AM 37 1984 57 2 68
AVERAGE 62 66 -4 77
PRECIPITATION (IN)
TODAY 1.60 2.42 1927 0.11 1.49 0.00
MONTH TO DATE 2.52 1.84 0.68 1.48
SINCE SEP 1 2.52 1.84 0.68 1.48
SINCE JAN 1 26.78 28.55 -1.77 26.59
SNOWFALL (IN)
TODAY 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
TODAY 3 3 0 0
MONTH TO DATE 8 21 -13 4
SINCE SEP 1 8 21 -13 4
SINCE JUL 1 10 27 -17 4
COOLING
TODAY 0 4 -4 12
MONTH TO DATE 96 87 9 119
SINCE SEP 1 96 87 9 119
SINCE JAN 1 1030 959 71 1120
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 10.5
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 4:00 AM
LOWEST 80 12:00 AM
AVERAGE 88
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 94 1955
MINIMUM TEMPERATURE (F) 56 40 1889
1901
1903
SUNRISE AND SUNSET
SEPTEMBER 17 2023.....SUNRISE 6:34 AM CDT SUNSET 6:58 PM CDT
SEPTEMBER 18 2023.....SUNRISE 6:35 AM CDT SUNSET 6:56 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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