Climatological Report (Daily)
Issued by NWS
Issued by NWS
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825
CDUS43 KLOT 180632
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT WED SEP 18 2024
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 17 2024...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2024
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 85 2:05 PM 93 1955 75 10 64
MINIMUM 62 5:49 AM 37 1984 57 5 57
AVERAGE 74 66 8 61
PRECIPITATION (IN)
YESTERDAY 0.00 2.42 1927 0.11 -0.11 1.60
MONTH TO DATE 0.04 1.84 -1.80 2.52
SINCE SEP 1 0.04 1.84 -1.80 2.52
SINCE JAN 1 26.90 28.55 -1.65 26.78
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 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 3 -3 4
MONTH TO DATE 14 21 -7 9
SINCE SEP 1 14 21 -7 9
SINCE JUL 1 14 27 -13 11
COOLING
YESTERDAY 9 4 5 0
MONTH TO DATE 112 87 25 96
SINCE SEP 1 112 87 25 96
SINCE JAN 1 1098 959 139 1030
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 4.9
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 11:00 PM
LOWEST 29 4:00 PM
AVERAGE 58
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 94 1955
MINIMUM TEMPERATURE (F) 56 40 1889
1901
1903
SUNRISE AND SUNSET
SEPTEMBER 18 2024.....SUNRISE 6:35 AM CDT SUNSET 6:55 PM CDT
SEPTEMBER 19 2024.....SUNRISE 6:36 AM CDT SUNSET 6:53 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$