685
CDUS43 KLOT 290723
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
223 AM CDT FRI SEP 29 2023
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 28 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 71 4:07 PM 92 1953 71 0 61
MINIMUM 61 2:33 AM 29 1942 52 9 45
AVERAGE 66 61 5 53
PRECIPITATION (IN)
YESTERDAY 0.01 3.65 1972 0.10 -0.09 0.00
MONTH TO DATE 3.36 3.00 0.36 2.20
SINCE SEP 1 3.36 3.00 0.36 2.20
SINCE JAN 1 27.62 29.71 -2.09 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 5 -5 12
MONTH TO DATE 13 64 -51 56
SINCE SEP 1 13 64 -51 56
SINCE JUL 1 15 70 -55 56
COOLING
YESTERDAY 1 2 -1 0
MONTH TO DATE 144 114 30 154
SINCE SEP 1 144 114 30 154
SINCE JAN 1 1078 986 92 1155
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WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 7.6
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 2:00 AM
LOWEST 68 1:00 PM
AVERAGE 79
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 99 1953
MINIMUM TEMPERATURE (F) 52 32 1984
SUNRISE AND SUNSET
SEPTEMBER 29 2023.....SUNRISE 6:46 AM CDT SUNSET 6:37 PM CDT
SEPTEMBER 30 2023.....SUNRISE 6:47 AM CDT SUNSET 6:35 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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