Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 200658
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
158 AM CDT SUN APR 20 2025
...................................
...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR APRIL 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 62 12:17 AM 86 1985 61 1 58
MINIMUM 45 8:15 AM 24 1983 43 2 43
AVERAGE 54 52 2 51
PRECIPITATION (IN)
YESTERDAY T 1.52 1970 0.13 -0.13 0.00
MONTH TO DATE 2.39 2.04 0.35 1.54
SINCE MAR 1 5.78 3.92 1.86 5.54
SINCE JAN 1 7.14 6.86 0.28 8.52
DEGREE DAYS
HEATING
YESTERDAY 11 13 -2 14
MONTH TO DATE 313 315 -2 225
SINCE MAR 1 902 1103 -201 827
SINCE JUL 1 4840 5426 -586 4376
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 5 0 5 7
SINCE MAR 1 5 2 3 7
SINCE JAN 1 5 2 3 7
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 7.5
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 6:00 AM
LOWEST 67 4:00 PM
AVERAGE 80
..........................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 62 87 1987
MINIMUM TEMPERATURE (F) 43 27 1983
SUNRISE AND SUNSET
APRIL 20 2025.........SUNRISE 6:03 AM CDT SUNSET 7:38 PM CDT
APRIL 21 2025.........SUNRISE 6:01 AM CDT SUNSET 7:39 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$