Climatological Report (Monthly)
Issued by NWS
Issued by NWS
225
CXUS53 KLOT 010925
CLMUGN
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
425 AM CDT TUE SEP 01 2026
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...THE WAUKEGAN IL CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 2000 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 100 08/24/2023
LOW 45 08/15/2004
HIGHEST 87 08/31 96 08/09
LOWEST 52 08/24 46 08/31
AVG. MAXIMUM 78.6 80.0 -1.4 81.6
AVG. MINIMUM 62.6 61.1 1.5 61.9
MEAN 70.6 70.5 0.1 71.7
DAYS MAX >= 90 0 2.5 -2.5 4
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.0 0.0 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 10.22 2007
MINIMUM 1.03 2008
TOTALS 6.05 3.59 2.46 1.40
DAILY AVG. 0.20 0.12 0.08 0.05
DAYS >= .01 15 12.6 2.4 9
DAYS >= .10 9 6.2 2.8 4
DAYS >= .50 5 2.5 2.5 0
DAYS >= 1.00 2 1.0 1.0 0
GREATEST
24 HR. TOTAL 1.99 07/31 TO 08/01 0.40
DEGREE DAYS
HEATING TOTAL 2 12 -10 13
SINCE 7/1 6 20 -14 MM
COOLING TOTAL 184 184 0 229
SINCE 1/1 582 547 35 MM
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WIND (MPH)
AVERAGE WIND SPEED 6.2
HIGHEST WIND SPEED/DIRECTION 24/060 DATE 08/01
24/230 08/30
HIGHEST GUST SPEED/DIRECTION 35/080 DATE 08/01
35/340 08/09
AVERAGE RH (PERCENT) 81
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 9 MIXED PRECIP 0
HEAVY RAIN 6 RAIN 7
LIGHT RAIN 16 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 17 FOG W/VIS <= 1/4 MILE 2
HAZE 3
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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