873
CDUS43 KLOT 310648
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
148 AM CDT MON JUL 31 2023
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JULY 30 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 80 2:45 PM 102 1916 84 -4 83
MINIMUM 67 11:59 PM 50 1984 67 0 63
AVERAGE 74 75 -1 73
PRECIPITATION (IN)
YESTERDAY 0.00 2.43 1979 0.14 -0.14 0.00
MONTH TO DATE 7.61 3.58 4.03 4.50
SINCE JUN 1 9.97 7.68 2.29 7.16
SINCE JAN 1 22.93 22.33 0.60 23.06
SNOWFALL (IN)
YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 T
SINCE JUN 1 0.0 0.0 0.0 T
SINCE JUL 1 0.0 0.0 0.0 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 25 31 -6 7
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 9 10 -1 8
MONTH TO DATE 328 317 11 314
SINCE JUN 1 533 516 17 546
SINCE JAN 1 626 586 40 691
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 7.1
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 73 6:00 AM
LOWEST 48 5:00 PM
AVERAGE 61
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 99 1945
2006
MINIMUM TEMPERATURE (F) 67 51 1984
SUNRISE AND SUNSET
JULY 31 2023..........SUNRISE 5:44 AM CDT SUNSET 8:11 PM CDT
AUGUST 1 2023........SUNRISE 5:45 AM CDT SUNSET 8:10 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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