Climatological Report (Daily)
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603
CDUS43 KLOT 170650
CLIUGN

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
150 AM CDT MON AUG 17 2026

...................................

...THE WAUKEGAN IL CLIMATE SUMMARY FOR AUGUST 16 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         85   2:54 PM  94    2025  80      5       94
  MINIMUM         67  11:59 PM  50    2004  61      6       72
  AVERAGE         76                        71      5       83

PRECIPITATION (IN)
  YESTERDAY        0.01          1.14 2018   0.12  -0.11     0.30
  MONTH TO DATE    3.82                      1.85   1.97     0.85
  SINCE JUN 1     13.91                      9.78   4.13    10.65
  SINCE JAN 1     28.66                     22.62   6.04    19.08

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1     52                        86    -34       39
  SINCE JUL 1      4                        13     -9        3

 COOLING
  YESTERDAY       11                         6      5       18
  MONTH TO DATE  114                       104     10      168
  SINCE JUN 1    488                       435     53      703
  SINCE JAN 1    512                       467     45      712
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED     6.1


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          12:00 AM
 LOWEST     68           3:00 PM
 AVERAGE    84

..........................................................


THE WAUKEGAN IL CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   80        87      2002
                                             2016
 MINIMUM TEMPERATURE (F)   61        52      2013


SUNRISE AND SUNSET
AUGUST 17 2026........SUNRISE   6:01 AM CDT   SUNSET   7:50 PM CDT
AUGUST 18 2026........SUNRISE   6:02 AM CDT   SUNSET   7:48 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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