Climatological Report (Monthly)
Issued by NWS
Issued by NWS
570
CXUS53 KLOT 011542
CLMUGN
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1042 AM CDT MON JUN 01 2026
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...THE WAUKEGAN IL CLIMATE SUMMARY FOR THE MONTH OF MAY 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 92 05/28/2012
LOW 25 05/09/2020
05/03/2004
HIGHEST 83 05/16 86 05/16
LOWEST 27 05/02 36 05/09
05/23
05/24
AVG. MAXIMUM 66.5 66.6 -0.1 63.8
AVG. MINIMUM 43.4 45.9 -2.5 44.5
MEAN 54.9 56.3 -1.4 54.2
DAYS MAX >= 90 0 0.2 -0.2 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 8 0.9 7.1 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 8.69 2004
MINIMUM 0.99 2023
TOTALS 1.10 3.92 -2.82 2.72
DAILY AVG. 0.04 0.13 -0.09 0.09
DAYS >= .01 5 13.6 -8.6 11
DAYS >= .10 2 8.2 -6.2 6
DAYS >= .50 1 3.2 -2.2 2
DAYS >= 1.00 0 1.0 -1.0 0
GREATEST
24 HR. TOTAL 0.66 05/24 TO 05/24 0.95
DEGREE DAYS
HEATING TOTAL 324 298 26 337
SINCE 7/1 6198 6617 -419 MM
COOLING TOTAL 19 27 -8 8
SINCE 1/1 24 32 -8 MM
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WIND (MPH)
AVERAGE WIND SPEED 8.6
HIGHEST WIND SPEED/DIRECTION 31/220 DATE 05/03
HIGHEST GUST SPEED/DIRECTION 46/210 DATE 05/03
AVERAGE RH (PERCENT) 66
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 3 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 2
LIGHT RAIN 10 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 7 FOG W/VIS <= 1/4 MILE 0
HAZE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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