897
CDUS43 KLOT 280638
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
138 AM CDT SAT OCT 28 2023
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 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 3:14 PM 83 1927 58 14 54
MINIMUM 45 11:59 PM 24 1942 42 3 37
AVERAGE 59 50 9 46
PRECIPITATION (IN)
YESTERDAY 0.07 1.56 1947 0.11 -0.04 0.00
MONTH TO DATE 2.24 3.01 -0.77 1.59
SINCE SEP 1 5.60 6.20 -0.60 3.79
SINCE JAN 1 29.86 32.91 -3.05 28.90
SNOWFALL (IN)
YESTERDAY 0.0 2.7 1967 0.0 0.0 0.0
MONTH TO DATE 0.0 0.1 -0.1 T
SINCE SEP 1 0.0 0.1 -0.1 T
SINCE JUL 1 0.0 0.1 -0.1 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 6 16 -10 19
MONTH TO DATE 194 291 -97 300
SINCE SEP 1 207 368 -161 375
SINCE JUL 1 209 374 -165 375
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 56 12 44 14
SINCE SEP 1 211 128 83 168
SINCE JAN 1 1145 1000 145 1169
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WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 11.5
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 10:00 AM
LOWEST 71 11:00 PM
AVERAGE 81
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 57 80 1999
MINIMUM TEMPERATURE (F) 41 19 1925
SUNRISE AND SUNSET
OCTOBER 28 2023.......SUNRISE 7:19 AM CDT SUNSET 5:51 PM CDT
OCTOBER 29 2023.......SUNRISE 7:20 AM CDT SUNSET 5:50 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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