016
CDUS43 KLOT 180640
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
140 AM CDT MON SEP 18 2023
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR SEPTEMBER 17 2023
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1928 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 69 3:30 PM 93 1955 76 -7 88
MINIMUM 55 11:59 PM 39 1937 58 -3 71
AVERAGE 62 67 -5 80
PRECIPITATION (IN)
YESTERDAY 1.20R 1.20 1978 0.09 1.11 T
MONTH TO DATE 2.73 1.60 1.13 1.61
SINCE SEP 1 2.73 1.60 1.13 1.61
SINCE JAN 1 28.34 25.63 2.71 25.53
DEGREE DAYS
HEATING
YESTERDAY 3 2 1 0
MONTH TO DATE 10 15 -5 3
SINCE SEP 1 10 15 -5 3
SINCE JUL 1 11 19 -8 3
COOLING
YESTERDAY 0 4 -4 15
MONTH TO DATE 89 98 -9 164
SINCE SEP 1 89 98 -9 164
SINCE JAN 1 1051 1054 -3 1436
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 10.9
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 8:00 AM
LOWEST 59 3:00 PM
AVERAGE 76
......................................................
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 2023.....SUNRISE 6:34 AM CDT SUNSET 6:56 PM CDT
SEPTEMBER 19 2023.....SUNRISE 6:35 AM CDT SUNSET 6:54 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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