Climatological Report (Seasonal)
Issued by NWS
Issued by NWS
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000 CXUS53 KLOT 011741 CLSORD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 1141 AM CST WED DEC 01 2021 ................................... ...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE SEASON, FROM 9/1/2021 TO 11/30/2021... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1871 TO 2021 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 89 09/17 MM MM 88 09/03 09/19 09/02 LOWEST 18 11/26 MM MM 28 11/02 AVG. MAXIMUM 64.9 62.2 2.7 63.7 AVG. MINIMUM 48.6 45.5 3.1 46.3 MEAN 56.8 53.9 2.9 55.0 DAYS MAX >= 90 0 1.6 -1.6 MM DAYS MAX <= 32 1 2.2 -1.2 MM DAYS MIN <= 32 15 17.3 -2.3 MM DAYS MIN <= 0 0 0.0 0.0 MM PRECIPITATION (INCHES) RECORD MAXIMUM 19.32 1961 MINIMUM 2.07 1956 TOTALS 7.71 9.04 -1.33 8.55 DAILY AVG. 0.08 0.10 -0.02 0.10 DAYS >= .01 29 29.0 0.0 MM DAYS >= .10 15 17.2 -2.2 MM DAYS >= .50 5 5.7 -0.7 MM DAYS >= 1.00 1 2.0 -1.0 MM GREATEST 24 HR. TOTAL 1.85 10/24 TO 10/24 1.67 10/22 TO 10/22 DEGREE DAYS HEATING TOTAL 968 1145 -177 999 SINCE 7/1 968 1151 -183 999 COOLING TOTAL 242 132 110 113 SINCE 1/1 1316 1003 313 1295 ................................................................ WIND (MPH) AVERAGE WIND SPEED 9.1 HIGHEST WIND SPEED/DIRECTION 33/030 DATE 10/25 HIGHEST GUST SPEED/DIRECTION 46/050 DATE 10/25 SKY COVER AVERAGE SKY COVER 0.58 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 13 MIXED PRECIP 0 HEAVY RAIN 10 RAIN 13 LIGHT RAIN 39 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 6 SLEET 1 FOG 30 FOG W/VIS <= 1/4 MILE 0 HAZE 9 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$