Climatological Report (Monthly)
Issued by NWS
Issued by NWS
861
CXUS53 KLOT 011348
CLMUGN
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
848 AM CDT SAT NOV 01 2025
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...THE WAUKEGAN IL CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 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 92 10/03/2025
LOW 21 10/31/2020
HIGHEST 92R 10/03 84 10/11
LOWEST 28 10/24 31 10/17
10/25
10/27
AVG. MAXIMUM 65.0 60.9 4.1 69.0
AVG. MINIMUM 48.2 42.7 5.5 45.4
MEAN 56.6 51.8 4.8 57.2
DAYS MAX >= 90 2 0.0 2.0 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 2 4.0 -2.0 2
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 7.16 2009
MINIMUM 0.77 2005
TOTALS 1.89 3.25 -1.36 1.41
DAILY AVG. 0.06 0.10 -0.04 0.05
DAYS >= .01 9 11.6 -2.6 9
DAYS >= .10 5 5.9 -0.9 4
DAYS >= .50 1 2.0 -1.0 1
DAYS >= 1.00 0 0.8 -0.8 0
GREATEST
24 HR. TOTAL 1.06 10/18 TO 10/19 0.67
DEGREE DAYS
HEATING TOTAL 310 418 -108 262
SINCE 7/1 362 563 -201 MM
COOLING TOTAL 59 8 51 27
SINCE 1/1 944 626 318 MM
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WIND (MPH)
AVERAGE WIND SPEED 8.3
HIGHEST WIND SPEED/DIRECTION 25/200 DATE 10/05
25/230 10/21
HIGHEST GUST SPEED/DIRECTION 35/270 DATE 10/21
AVERAGE RH (PERCENT) 70
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 2 MIXED PRECIP 0
HEAVY RAIN 3 RAIN 2
LIGHT RAIN 11 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 8 FOG W/VIS <= 1/4 MILE 0
HAZE 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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