426
CDUS43 KLOT 200634
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT TUE MAY 20 2025
...............................
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR MAY 19 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 57 11:59 PM 95 1934 72 -15 77
MINIMUM 45 7:32 AM 37 1929 53 -8 63
1937
AVERAGE 51 63 -12 70
PRECIPITATION (IN)
YESTERDAY 0.00 1.54 1931 0.14 -0.14 0.00
MONTH TO DATE 0.60 2.53 -1.93 3.35
SINCE MAR 1 7.18 7.98 -0.80 11.83
SINCE JAN 1 8.54 10.92 -2.38 14.81
DEGREE DAYS
HEATING
YESTERDAY 14 5 9 0
MONTH TO DATE 117 134 -17 40
SINCE MAR 1 1094 1361 -267 985
SINCE JUL 1 5032 5684 -652 4534
COOLING
YESTERDAY 0 2 -2 5
MONTH TO DATE 38 30 8 46
SINCE MAR 1 51 41 10 63
SINCE JAN 1 51 41 10 63
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 12.6
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 76 3:00 AM
LOWEST 57 2:00 PM
AVERAGE 67
......................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 95 1977
MINIMUM TEMPERATURE (F) 53 36 1981
SUNRISE AND SUNSET
MAY 20 2025...........SUNRISE 5:26 AM CDT SUNSET 8:09 PM CDT
MAY 21 2025...........SUNRISE 5:25 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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