511
CDUS43 KLOT 242138
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
436 PM CDT THU SEP 24 2020
...............................
..THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR SEPTEMBER 24 2020
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2020
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 79 250 PM 93 2017 72 7 79
MINIMUM 58 627 AM 35 1989 51 7 58
1985
1942
AVERAGE 69 61 8 69
PRECIPITATION (IN)
TODAY 0.00 1.85 1977 0.11 -0.11 0.00
MONTH TO DATE 2.78 2.61 0.17 4.57
SINCE SEP 1 2.78 2.61 0.17 4.57
SINCE JAN 1 30.90 27.74 3.16 36.32
SNOWFALL (IN)
TODAY 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
DEGREE DAYS
HEATING
TODAY 0 6 -6 0
MONTH TO DATE 33 65 -32 2
SINCE SEP 1 33 65 -32 2
SINCE JUL 1 33 78 -45 2
COOLING
TODAY 4 2 2 4
MONTH TO DATE 90 86 4 137
SINCE SEP 1 90 86 4 137
SINCE JAN 1 1272 826 446 933
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WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 7.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 700 AM
LOWEST 45 200 PM
AVERAGE 66
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THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 92 2017
MINIMUM TEMPERATURE (F) 50 30 1942
SUNRISE AND SUNSET
SEPTEMBER 24 2020.....SUNRISE 642 AM CDT SUNSET 644 PM CDT
SEPTEMBER 25 2020.....SUNRISE 643 AM CDT SUNSET 643 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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