CXUS53 KLOT 011644 CLMORD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 1044 AM CST SUN NOV 01 2026 ................................... ...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2026... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1871 TO 2026 WEATHER OBSERVED NORMAL DEPART LAST YEAR'S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 94 10/06/1963 LOW 14 10/25/1887 HIGHEST 88 10/12 89 10/03 LOWEST 39 10/17 34 10/24 AVG. MAXIMUM 70.0 62.7 7.3 66.1 AVG. MINIMUM 51.6 45.4 6.2 50.2 MEAN 60.8 54.0 6.8 58.2 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 0 2.7 -2.7 0 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 12.06 1954 MINIMUM 0.18 1897 TOTALS 2.61 3.43 -0.82 2.67 DAILY AVG. 0.08 0.11 -0.03 0.09 DAYS >= .01 6 10.5 -4.5 MM DAYS >= .10 3 6.3 -3.3 MM DAYS >= .50 2 2.3 -0.3 MM DAYS >= 1.00 1 0.7 0.3 MM GREATEST 24 HR. TOTAL 1.41 10/01 TO 10/01 1.35 SNOWFALL (INCHES) RECORDS TOTAL 6.3 1989 TOTALS 0.0 0.2 -0.2 0.0 SINCE 7/1 0.0 0.2 -0.2 MM SNOWDEPTH AVG. 0 0 DAYS >= 1.0 0 0.0 0.0 0 GREATEST SNOW DEPTH 0 0 MM 24 HR TOTAL MM 0.0 DEGREE DAYS HEATING TOTAL 153 355 -202 259 SINCE 7/1 180 440 -260 MM COOLING TOTAL 32 15 17 57 SINCE 1/1 1145 1003 142 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 7.2 HIGHEST WIND SPEED/DIRECTION 33/350 DATE 10/16 HIGHEST GUST SPEED/DIRECTION 49/340 DATE 10/16 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.46 NUMBER OF DAYS FAIR 13 NUMBER OF DAYS PC 10 NUMBER OF DAYS CLOUDY 8 AVERAGE RH (PERCENT) 63 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 2 MIXED PRECIP 0 HEAVY RAIN 2 RAIN 1 LIGHT RAIN 9 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 11 FOG W/VIS <= 1/4 MILE 1 HAZE 4 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$