Climatological Report (Daily)
Issued by NWS
Issued by NWS
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027
CDUS43 KLOT 180635
CLIUGN
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
135 AM CDT FRI SEP 18 2026
...................................
...THE WAUKEGAN IL CLIMATE SUMMARY FOR SEPTEMBER 17 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 2000 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 70 1:13 PM 91 2021 73 -3 82
MINIMUM 64 11:59 PM 42 2014 53 11 54
AVERAGE 67 63 4 68
PRECIPITATION (IN)
YESTERDAY 0.26 2.00 2015 0.12 0.14 0.00
MONTH TO DATE 1.11 1.99 -0.88 1.60
SINCE SEP 1 1.11 1.99 -0.88 1.60
SINCE JAN 1 32.00 26.35 5.65 21.23
DEGREE DAYS
HEATING
YESTERDAY 0 4 -4 0
MONTH TO DATE 12 41 -29 36
SINCE SEP 1 12 41 -29 36
SINCE JUL 1 18 66 -48 52
COOLING
YESTERDAY 2 2 0 3
MONTH TO DATE 112 54 58 37
SINCE SEP 1 112 54 58 37
SINCE JAN 1 694 601 93 810
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 3.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 5:00 AM
LOWEST 93 12:00 AM
AVERAGE 97
..........................................................
THE WAUKEGAN IL CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 87 2007
MINIMUM TEMPERATURE (F) 53 40 2012
SUNRISE AND SUNSET
SEPTEMBER 18 2026.....SUNRISE 6:35 AM CDT SUNSET 6:56 PM CDT
SEPTEMBER 19 2026.....SUNRISE 6:36 AM CDT SUNSET 6:54 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$