275
CDUS43 KLOT 280634
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT THU SEP 28 2023
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 27 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 72 2:18 PM 91 1971 71 1 61
MINIMUM 63 6:23 AM 31 1942 53 10 46
AVERAGE 68 62 6 54
PRECIPITATION (IN)
YESTERDAY 0.02 2.28 2019 0.10 -0.08 0.00
MONTH TO DATE 3.35 2.90 0.45 2.20
SINCE SEP 1 3.35 2.90 0.45 2.20
SINCE JAN 1 27.61 29.61 -2.00 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 11
MONTH TO DATE 13 59 -46 44
SINCE SEP 1 13 59 -46 44
SINCE JUL 1 15 65 -50 44
COOLING
YESTERDAY 3 2 1 0
MONTH TO DATE 143 112 31 154
SINCE SEP 1 143 112 31 154
SINCE JAN 1 1077 984 93 1155
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WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 8.2
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 5:00 AM
LOWEST 70 11:00 AM
AVERAGE 84
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 92 1953
MINIMUM TEMPERATURE (F) 52 29 1942
SUNRISE AND SUNSET
SEPTEMBER 28 2023.....SUNRISE 6:45 AM CDT SUNSET 6:39 PM CDT
SEPTEMBER 29 2023.....SUNRISE 6:46 AM CDT SUNSET 6:37 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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