


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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506 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. $$