Climatological Report (Monthly)
Issued by NWS
Issued by NWS
777
CXUS53 KLOT 011449
CLMUGN
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
949 AM CDT MON SEP 01 2025
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...THE WAUKEGAN IL CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 2000 TO 2025
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 96 08/09 96 08/26
08/27
LOWEST 46 08/31 48 08/22
AVG. MAXIMUM 81.6 80.0 1.6 81.0
AVG. MINIMUM 61.9 61.1 0.8 62.9
MEAN 71.7 70.5 1.2 72.0
DAYS MAX >= 90 4 2.5 1.5 3
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 1.40 3.59 -2.19 2.50
DAILY AVG. 0.05 0.12 -0.07 0.08
DAYS >= .01 9 12.6 -3.6 7
DAYS >= .10 4 6.2 -2.2 7
DAYS >= .50 0 2.5 -2.5 1
DAYS >= 1.00 0 1.0 -1.0 0
GREATEST
24 HR. TOTAL 0.40 08/18 TO 08/18 0.84
DEGREE DAYS
HEATING TOTAL 13 12 1 9
SINCE 7/1 16 20 -4 MM
COOLING TOTAL 229 184 45 233
SINCE 1/1 773 547 226 MM
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WIND (MPH)
AVERAGE WIND SPEED 6.2
HIGHEST WIND SPEED/DIRECTION 24/200 DATE 08/09
HIGHEST GUST SPEED/DIRECTION 37/320 DATE 08/10
AVERAGE RH (PERCENT) 69
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 6 MIXED PRECIP 0
HEAVY RAIN 4 RAIN 4
LIGHT RAIN 10 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 16 FOG W/VIS <= 1/4 MILE 1
HAZE 9
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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