CXUS53 KLOT 011705 CLMORD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 1205 PM CDT FRI NOV 01 2024 ................................... ...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2024... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1871 TO 2024 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 85 10/05 87 10/01 10/03 LOWEST 37 10/16 30 10/31 10/27 AVG. MAXIMUM 70.1 62.7 7.4 64.7 AVG. MINIMUM 49.3 45.4 3.9 49.4 MEAN 59.7 54.0 5.7 57.1 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 2 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 12.06 1954 MINIMUM 0.18 1897 TOTALS 1.18 3.43 -2.25 2.28 DAILY AVG. 0.04 0.11 -0.07 0.07 DAYS >= .01 7 10.5 -3.5 16 DAYS >= .10 3 6.3 -3.3 8 DAYS >= .50 1 2.3 -1.3 2 DAYS >= 1.00 0 0.7 -0.7 0 GREATEST 24 HR. TOTAL 0.84 10/24 TO 10/25 1.00 SNOWFALL (INCHES) RECORDS TOTAL 6.3 1989 TOTALS 0.0 0.2 -0.2 0.9 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 0.0 0.9 DEGREE DAYS HEATING TOTAL 194 355 -161 293 SINCE 7/1 209 440 -231 MM COOLING TOTAL 35 15 20 56 SINCE 1/1 1211 1003 208 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 9.6 HIGHEST WIND SPEED/DIRECTION 32/300 DATE 10/13 32/250 10/31 HIGHEST GUST SPEED/DIRECTION 50/200 DATE 10/31 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.40 NUMBER OF DAYS FAIR 14 NUMBER OF DAYS PC 11 NUMBER OF DAYS CLOUDY 6 AVERAGE RH (PERCENT) 56 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 3 MIXED PRECIP 0 HEAVY RAIN 2 RAIN 2 LIGHT RAIN 8 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 4 FOG W/VIS <= 1/4 MILE 0 HAZE 2 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$