518
CDUS43 KLOT 180650
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
150 AM CDT WED OCT 18 2023
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR OCTOBER 17 2023
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1928 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 63 2:23 PM 86 1950 63 0 45
MINIMUM 40 3:20 AM 26 1948 46 -6 39
AVERAGE 52 54 -2 42
PRECIPITATION (IN)
YESTERDAY 0.00 1.48 1988 0.12 -0.12 0.00
MONTH TO DATE 2.05 1.96 0.09 1.14
SINCE SEP 1 5.65 4.73 0.92 3.20
SINCE JAN 1 31.26 28.76 2.50 27.12
DEGREE DAYS
HEATING
YESTERDAY 13 11 2 23
MONTH TO DATE 145 136 9 146
SINCE SEP 1 160 195 -35 200
SINCE JUL 1 161 199 -38 200
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 42 17 25 1
SINCE SEP 1 179 153 26 215
SINCE JAN 1 1141 1109 32 1487
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 4.7
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 12:00 AM
LOWEST 46 3:00 PM
AVERAGE 68
......................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 63 87 1950
MINIMUM TEMPERATURE (F) 46 20 1948
SUNRISE AND SUNSET
OCTOBER 18 2023.......SUNRISE 7:06 AM CDT SUNSET 6:05 PM CDT
OCTOBER 19 2023.......SUNRISE 7:08 AM CDT SUNSET 6:04 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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