Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KLOT 180637
CLIUGN
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
137 AM CDT MON AUG 18 2025
...................................
...THE WAUKEGAN IL CLIMATE SUMMARY FOR AUGUST 17 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 2000 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 81 11:27 AM 87 2002 80 1 83
2016
MINIMUM 71 11:14 PM 52 2013 61 10 69
AVERAGE 76 71 5 76
PRECIPITATION (IN)
YESTERDAY 0.07 0.66 2000 0.12 -0.05 0.10
MONTH TO DATE 0.92 1.97 -1.05 2.01
SINCE JUN 1 10.72 9.90 0.82 14.29
SINCE JAN 1 19.15 22.74 -3.59 33.04
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 39 86 -47 35
SINCE JUL 1 3 13 -10 6
COOLING
YESTERDAY 11 6 5 11
MONTH TO DATE 179 110 69 123
SINCE JUN 1 714 441 273 546
SINCE JAN 1 723 473 250 561
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 6.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 91 2:00 AM
LOWEST 64 1:00 PM
AVERAGE 78
..........................................................
THE WAUKEGAN IL CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 87 2016
MINIMUM TEMPERATURE (F) 61 51 2012
SUNRISE AND SUNSET
AUGUST 18 2025........SUNRISE 6:02 AM CDT SUNSET 7:48 PM CDT
AUGUST 19 2025........SUNRISE 6:03 AM CDT SUNSET 7:46 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$