Climatological Report (Monthly)
Issued by NWS
Issued by NWS
027 CXUS53 KLOT 011319 CLMPWK CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 819 AM CDT TUE OCT 01 2024 ................................... ...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2024... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1996 TO 2024 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 96 09/22/2017 09/10/2013 LOW 34 09/24/2012 HIGHEST 92 09/21 94 09/05 LOWEST 46 09/08 47 09/15 AVG. MAXIMUM 79.2 75.3 3.9 76.3 AVG. MINIMUM 58.0 56.3 1.7 58.9 MEAN 68.6 65.8 2.8 67.6 DAYS MAX >= 90 1 1.7 -0.7 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 9.43 2008 MINIMUM 0.31 2004 TOTALS 0.99 3.04 -2.05 2.89 DAILY AVG. 0.03 0.10 -0.07 0.10 DAYS >= .01 5 9.5 -4.5 11 DAYS >= .10 2 5.4 -3.4 5 DAYS >= .50 1 1.7 -0.7 2 DAYS >= 1.00 0 0.7 -0.7 1 GREATEST 24 HR. TOTAL 0.64 09/22 TO 09/22 1.45 DEGREE DAYS HEATING TOTAL 20 82 -62 34 SINCE 7/1 25 89 -64 MM COOLING TOTAL 138 106 32 119 SINCE 1/1 1007 920 87 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 5.4 HIGHEST WIND SPEED/DIRECTION 24/060 DATE 09/27 HIGHEST GUST SPEED/DIRECTION 38/020 DATE 09/27 AVERAGE RH (PERCENT) 67 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 1 MIXED PRECIP 0 HEAVY RAIN 1 RAIN 1 LIGHT RAIN 5 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 5 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. $$