Climatological Report (Seasonal)
Issued by NWS
Issued by NWS
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629 CXUS53 KLOT 011912 CLSORD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 112 PM CST FRI DEC 01 2023 ................................... ...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE SEASON, FROM 9/1/2023 TO 11/30/2023... 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 101 09/02/1953 09/01/1953 LOW -2 11/24/1950 11/29/1872 HIGHEST 94 09/03 88 09/01 09/04 09/05 09/03 LOWEST 14 11/28 13 11/20 AVG. MAXIMUM 64.5 62.2 2.3 63.8 AVG. MINIMUM 48.5 45.5 3.0 46.0 MEAN 56.5 53.9 2.6 54.9 DAYS MAX >= 90 3 2.0 1.0 0 DAYS MAX <= 32 2 2.0 0.0 2 DAYS MIN <= 32 14 17.3 -3.3 13 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 19.32 1961 MINIMUM 2.07 1956 TOTALS 6.50 9.04 -2.54 4.72 DAILY AVG. 0.07 0.10 -0.03 0.05 DAYS >= .01 38 29.0 9.0 21 DAYS >= .10 16 17.2 -1.2 10 DAYS >= .50 4 5.7 -1.7 2 DAYS >= 1.00 1 2.0 -1.0 1 GREATEST 24 HR. TOTAL 1.62 09/16 TO 09/17 1.45 SNOWFALL (INCHES) RECORDS TOTAL 14.8 1940 TOTALS 2.7 2.0 0.7 1.1 SINCE 7/1 2.7 2.0 0.7 4.3 DAYS >= 1.0 1 1.0 0.0 1 GREATEST SNOW DEPTH 1 11/26 1 11/15 11/27 24 HR TOTAL 1.8 11/26 TO 11/27 1.0 DEGREE DAYS HEATING TOTAL 962 1145 -183 1065 SINCE 7/1 964 1151 -187 2166 COOLING TOTAL 211 132 79 173 SINCE 1/1 1145 1003 142 1174 ................................................................ WIND (MPH) AVERAGE WIND SPEED 8.7 HIGHEST WIND SPEED/DIRECTION 28/190 DATE 11/16 HIGHEST GUST SPEED/DIRECTION 41/180 DATE 11/16 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.60 NUMBER OF DAYS FAIR 18 NUMBER OF DAYS PC 43 NUMBER OF DAYS CLOUDY 30 AVERAGE RH (PERCENT) 66 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 6 MIXED PRECIP 0 HEAVY RAIN 5 RAIN 11 LIGHT RAIN 37 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 2 LIGHT SNOW 4 SLEET 0 FOG 34 FOG W/VIS <= 1/4 MILE 1 HAZE 10 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$