413
CDUS43 KLOT 030631
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
131 AM CDT FRI OCT 03 2025
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR OCTOBER 2 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 84 MM 91 1971 70 14 72
MINIMUM 60 MM 28 1974 52 8 49
AVERAGE 72 61 11 61
PRECIPITATION (IN)
YESTERDAY MM 3.80 2006 0.12 MM 0.00
MONTH TO DATE 0.00 0.23 -0.23 0.00
SINCE SEP 1 0.56 3.00 -2.44 1.89
SINCE JAN 1 25.38 27.03 -1.65 31.36
DEGREE DAYS
HEATING
YESTERDAY 0 6 -6 4
MONTH TO DATE 0 11 -11 5
SINCE SEP 1 21 70 -49 15
SINCE JUL 1 23 74 -51 15
COOLING
YESTERDAY 7 2 5 0
MONTH TO DATE 13 4 9 0
SINCE SEP 1 217 140 77 219
SINCE JAN 1 1358 1096 262 1342
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WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SE (120)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 6.1
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 64 6:00 AM
LOWEST 35 2:00 PM
AVERAGE 50
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THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 91 1954
MINIMUM TEMPERATURE (F) 52 29 1974
SUNRISE AND SUNSET
OCTOBER 3 2025.......SUNRISE 6:50 AM CDT SUNSET 6:29 PM CDT
OCTOBER 4 2025.......SUNRISE 6:51 AM CDT SUNSET 6:27 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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