Climatological Report (Monthly)
Issued by NWS
Issued by NWS
890 CXUS53 KLOT 011541 CLMMDW CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 1041 AM CDT WED NOV 01 2023 ................................... ...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2023... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1928 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 20 10/24/1981 10/18/1948 10/20/1930 HIGHEST 87 10/03 82 10/22 LOWEST 29 10/31 34 10/20 AVG. MAXIMUM 63.9 63.4 0.5 65.8 AVG. MINIMUM 48.7 46.5 2.2 46.8 MEAN 56.3 54.9 1.4 56.3 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 2 0.9 1.1 0 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 12.06 1954 MINIMUM 0.20 1964 TOTALS 2.75 3.48 -0.73 2.12 DAILY AVG. 0.09 0.11 -0.02 0.07 DAYS >= .01 14 11.5 2.5 9 DAYS >= .10 8 6.3 1.7 4 DAYS >= .50 0 2.2 -2.2 2 DAYS >= 1.00 0 1.0 -1.0 0 GREATEST 24 HR. TOTAL 0.89 10/13 TO 10/14 0.94 DEGREE DAYS HEATING TOTAL 313 332 -19 281 SINCE 7/1 329 393 -64 MM COOLING TOTAL 50 20 30 21 SINCE 1/1 1149 1112 37 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 9.8 HIGHEST WIND SPEED/DIRECTION 29/060 DATE 10/14 29/330 10/21 HIGHEST GUST SPEED/DIRECTION 39/200 DATE 10/24 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.65 NUMBER OF DAYS FAIR 5 NUMBER OF DAYS PC 14 NUMBER OF DAYS CLOUDY 12 AVERAGE RH (PERCENT) 67 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 1 MIXED PRECIP 0 HEAVY RAIN 1 RAIN 2 LIGHT RAIN 17 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 1 SNOW 0 LIGHT SNOW 1 SLEET 0 FOG 14 FOG W/VIS <= 1/4 MILE 1 HAZE 1 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$