Climatological Report (Seasonal)
Issued by NWS
Issued by NWS
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000 CXUS53 KLOT 011559 CLSORD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 1059 AM CDT WED SEP 01 2021 ................................... ...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE SEASON, FROM 6/1/2021 TO 8/31/2021... 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 105 07/24/1934 LOW 35 06/04/1945 HIGHEST 95 08/24 MM MM 97 08/24 LOWEST 50 06/01 MM MM 52 06/15 06/13 AVG. MAXIMUM 84.1 82.5 1.6 86.2 AVG. MINIMUM 66.5 64.1 2.4 67.1 MEAN 75.3 73.3 2.0 76.7 DAYS MAX >= 90 21 14.3 6.7 30 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 0 0.0 0.0 0 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 23.48 1987 MINIMUM 3.16 1894 TOTALS 13.19 12.06 1.13 7.75 DAILY AVG. 0.15 0.13 0.02 0.09 DAYS >= .01 29 30.2 -1.2 24 DAYS >= .10 21 19.0 2.0 15 DAYS >= .50 8 7.9 0.1 4 DAYS >= 1.00 5 3.3 1.7 2 GREATEST 24 HR. TOTAL 1.91 08/24 TO 08/24 1.55 DEGREE DAYS HEATING TOTAL 3 37 -34 12 SINCE 7/1 0 2 -2 0 COOLING TOTAL 973 802 171 1108 SINCE 1/1 1074 872 202 1182 ................................................................ WIND (MPH) AVERAGE WIND SPEED 8.1 HIGHEST WIND SPEED/DIRECTION 39/010 DATE 08/24 HIGHEST GUST SPEED/DIRECTION 57/290 DATE 08/10 SKY COVER AVERAGE SKY COVER 0.55 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 26 MIXED PRECIP 0 HEAVY RAIN 18 RAIN 19 LIGHT RAIN 38 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 32 FOG W/VIS <= 1/4 MILE 0 HAZE 15 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$