373
CDUS43 KLOT 300632
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT SAT SEP 30 2023
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 29 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 77 3:31 PM 99 1953 70 7 64
MINIMUM 59 2:12 AM 32 1984 52 7 44
AVERAGE 68 61 7 54
PRECIPITATION (IN)
YESTERDAY 0.00 1.39 1921 0.09 -0.09 0.00
MONTH TO DATE 3.36 3.09 0.27 2.20
SINCE SEP 1 3.36 3.09 0.27 2.20
SINCE JAN 1 27.62 29.80 -2.18 27.31
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 6 -6 11
MONTH TO DATE 13 70 -57 67
SINCE SEP 1 13 70 -57 67
SINCE JUL 1 15 76 -61 67
COOLING
YESTERDAY 3 2 1 0
MONTH TO DATE 147 116 31 154
SINCE SEP 1 147 116 31 154
SINCE JAN 1 1081 988 93 1155
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 4.6
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 6:00 AM
LOWEST 56 3:00 PM
AVERAGE 73
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 92 1971
MINIMUM TEMPERATURE (F) 51 29 1984
SUNRISE AND SUNSET
SEPTEMBER 30 2023.....SUNRISE 6:47 AM CDT SUNSET 6:35 PM CDT
OCTOBER 1 2023.......SUNRISE 6:48 AM CDT SUNSET 6:34 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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