372
CDUS43 KLOT 210650
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
150 AM CDT MON JUL 21 2025
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR JULY 20 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1928 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 79 12:58 PM 103 1934 85 -6 81
MINIMUM 69 10:46 PM 50 1941 68 1 64
AVERAGE 74 77 -3 73
PRECIPITATION (IN)
YESTERDAY 0.04 3.03 1978 0.12 -0.08 0.00
MONTH TO DATE 2.46 2.25 0.21 5.24
SINCE JUN 1 7.83 6.26 1.57 8.68
SINCE JAN 1 17.40 18.74 -1.34 24.66
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 9 24 -15 3
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 9 12 -3 8
MONTH TO DATE 274 230 44 225
SINCE JUN 1 598 452 146 547
SINCE JAN 1 649 534 115 660
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (50)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 8.5
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 91 4:00 AM
LOWEST 61 7:00 PM
AVERAGE 76
......................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 108 1934
MINIMUM TEMPERATURE (F) 68 51 1970
SUNRISE AND SUNSET
JULY 21 2025..........SUNRISE 5:35 AM CDT SUNSET 8:20 PM CDT
JULY 22 2025..........SUNRISE 5:36 AM CDT SUNSET 8:19 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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