Climatological Report (Seasonal)
Issued by NWS
Issued by NWS
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000 CXUS53 KLOT 021728 CLSORD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 1128 AM CST WED DEC 02 2020 ................................... ...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE SEASON, FROM 9/1/2020 TO 11/30/2020... CLIMATE NORMAL PERIOD: 1981 TO 2010 CLIMATE RECORD PERIOD: 1871 TO 2020 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE NORMAL .............................................................. TEMPERATURE (F) RECORD HIGH 101 09/02/1953 09/01/1953 LOW -2 11/24/1950 11/29/1872 HIGHEST 88 09/03 MM MM 90 09/02 LOWEST 28 11/02 MM MM 7 AVG. MAXIMUM 63.7 61.8 1.9 59.1 AVG. MINIMUM 46.3 43.2 3.1 44.3 MEAN 55.0 52.5 2.5 51.7 DAYS MAX >= 90 0 DAYS MAX <= 32 0 DAYS MIN <= 32 11 DAYS MIN <= 0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 19.32 1961 MINIMUM 2.07 1956 TOTALS 8.55 9.51 -0.96 DAYS >= .01 30 DAYS >= .10 21 DAYS >= .50 6 DAYS >= 1.00 1 DEGREE DAYS HEATING TOTAL 999 1243 -244 SINCE 7/1 999 1254 -255 COOLING TOTAL 113 103 10 SINCE 1/1 1295 843 452 .............................................................. WIND (MPH) AVERAGE WIND SPEED 10.1 HIGHEST WIND SPEED/DIRECTION 39/240 DATE 11/10 HIGHEST GUST SPEED/DIRECTION 64/250 DATE 11/10 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 12 MIXED PRECIP 0 HEAVY RAIN 11 RAIN 16 LIGHT RAIN 36 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 1 LIGHT SNOW 4 SLEET 0 FOG 29 FOG W/VIS <= 1/4 MILE 0 HAZE 18 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$