Climatological Report (Monthly)
Issued by NWS
Issued by NWS
193 CXUS53 KLOT 011541 CLMORD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 1041 AM CDT WED NOV 01 2023 ................................... ...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2023... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1871 TO 2023 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 87 10/01 79 10/22 10/03 10/23 LOWEST 30 10/31 33 10/19 10/20 AVG. MAXIMUM 64.7 62.7 2.0 63.9 AVG. MINIMUM 49.4 45.4 4.0 44.2 MEAN 57.1 54.0 3.1 54.0 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 2 2.7 -0.7 0 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 12.06 1954 MINIMUM 0.18 1897 TOTALS 2.28 3.43 -1.15 1.66 DAILY AVG. 0.07 0.11 -0.04 0.05 DAYS >= .01 16 10.5 5.5 8 DAYS >= .10 8 6.3 1.7 3 DAYS >= .50 2 2.3 -0.3 1 DAYS >= 1.00 0 0.7 -0.7 0 GREATEST 24 HR. TOTAL 1.00 10/13 TO 10/14 0.75 SNOWFALL (INCHES) RECORDS TOTAL 6.3 1989 TOTALS 0.9 0.2 0.7 T SINCE 7/1 0.9 0.2 0.7 MM SNOWDEPTH AVG. 0 0 DAYS >= 1.0 0 0.1 -0.1 0 GREATEST SNOW DEPTH 0 0 MM 24 HR TOTAL 0.9 MM DEGREE DAYS HEATING TOTAL 293 355 -62 345 SINCE 7/1 308 440 -132 MM COOLING TOTAL 56 15 41 14 SINCE 1/1 1145 1003 142 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 9.4 HIGHEST WIND SPEED/DIRECTION 26/030 DATE 10/14 HIGHEST GUST SPEED/DIRECTION 40/030 DATE 10/14 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.65 NUMBER OF DAYS FAIR 5 NUMBER OF DAYS PC 16 NUMBER OF DAYS CLOUDY 10 AVERAGE RH (PERCENT) 65 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 2 MIXED PRECIP 0 HEAVY RAIN 2 RAIN 7 LIGHT RAIN 17 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 1 LIGHT SNOW 1 SLEET 0 FOG 13 FOG W/VIS <= 1/4 MILE 0 HAZE 3 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$