Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 180632
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT WED SEP 18 2024
...................................
...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR SEPTEMBER 17 2024...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1928 TO 2024
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 85 2:51 PM 93 1955 76 9 69
MINIMUM 62 5:24 AM 39 1937 58 4 55
AVERAGE 74 67 7 62
PRECIPITATION (IN)
YESTERDAY 0.00 1.20 1978 0.09 -0.09 1.20
2023
MONTH TO DATE T 1.60 -1.60 2.73
SINCE SEP 1 T 1.60 -1.60 2.73
SINCE JAN 1 29.47 25.63 3.84 28.34
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 3
MONTH TO DATE 10 15 -5 10
SINCE SEP 1 10 15 -5 10
SINCE JUL 1 10 19 -9 11
COOLING
YESTERDAY 9 4 5 0
MONTH TO DATE 127 98 29 89
SINCE SEP 1 127 98 29 89
SINCE JAN 1 1250 1054 196 1051
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 4.8
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 11:00 PM
LOWEST 25 3:00 PM
AVERAGE 52
..........................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 94 1955
MINIMUM TEMPERATURE (F) 58 39 1929
SUNRISE AND SUNSET
SEPTEMBER 18 2024.....SUNRISE 6:35 AM CDT SUNSET 6:54 PM CDT
SEPTEMBER 19 2024.....SUNRISE 6:36 AM CDT SUNSET 6:52 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$