Climatological Report (Monthly)
Issued by NWS
Issued by NWS
879 CXUS53 KLOT 011758 CLMPWK CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 1158 AM CST MON JAN 01 2024 ................................... ...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2023... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1996 TO 2023 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 69 12/03/2012 12/05/2001 LOW -8 12/23/2022 12/19/2016 12/22/2000 HIGHEST 57 12/25 60 12/29 LOWEST 17 12/19 -8 12/23 AVG. MAXIMUM 44.4 36.9 7.5 36.5 AVG. MINIMUM 32.3 24.0 8.3 22.9 MEAN 38.4 30.4 8.0 29.7 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 0 10.0 -10.0 9 DAYS MIN <= 32 17 25.5 -8.5 21 DAYS MIN <= 0 0 1.2 -1.2 3 PRECIPITATION (INCHES) RECORD MAXIMUM 4.30 2008 MINIMUM 0.27 2017 TOTALS 2.33 1.64 0.69 1.84 DAILY AVG. 0.08 0.05 0.03 0.06 DAYS >= .01 10 8.4 1.6 6 DAYS >= .10 6 4.1 1.9 3 DAYS >= .50 1 1.3 -0.3 1 DAYS >= 1.00 0 0.3 -0.3 1 GREATEST 24 HR. TOTAL 0.58 12/01 TO 12/01 1.30 DEGREE DAYS HEATING TOTAL 817 1071 -254 1084 SINCE 7/1 1875 2251 -376 MM COOLING TOTAL 0 0 0 0 SINCE 1/1 878 933 -55 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 7.2 HIGHEST WIND SPEED/DIRECTION 32/330 DATE 12/18 HIGHEST GUST SPEED/DIRECTION 42/330 DATE 12/18 AVERAGE RH (PERCENT) 76 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 0 RAIN 4 LIGHT RAIN 12 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 3 SLEET 0 FOG 16 FOG W/VIS <= 1/4 MILE 2 HAZE 1 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$