Climatological Report (Seasonal)
Issued by NWS
Issued by NWS
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446 CXUS53 KLOT 011956 CLSORD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 256 PM CDT TUE JUN 01 2021 ................................... ...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE SEASON, FROM 3/1/2021 TO 5/31/2021... 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 98 05/31/1934 LOW -12 03/04/1873 HIGHEST 90 05/24 MM MM 90 05/24 LOWEST 22 03/02 MM MM 25 03/07 AVG. MAXIMUM 61.4 58.8 2.6 59.3 AVG. MINIMUM 42.8 40.6 2.2 41.4 MEAN 52.1 49.7 2.4 50.3 DAYS MAX >= 90 1 0.8 0.2 1 DAYS MAX <= 32 0 3.1 -3.1 0 DAYS MIN <= 32 15 26.1 -11.1 15 DAYS MIN <= 0 0 0.2 -0.2 0 PRECIPITATION (INCHES) RECORD MAXIMUM 17.51 1983 MINIMUM 2.73 1887 TOTALS 3.75 10.69 -6.94 16.80 DAILY AVG. 0.04 0.12 -0.08 0.18 DAYS >= .01 24 35.6 -11.6 40 DAYS >= .10 11 20.7 -9.7 25 DAYS >= .50 2 6.9 -4.9 8 DAYS >= 1.00 0 2.3 -2.3 4 GREATEST 24 HR. TOTAL 0.74 05/26 TO 05/26 3.53 SNOWFALL (INCHES) RECORDS TOTAL 29.7 1926 TOTALS 1.8 6.8 -5.0 7.9 SINCE 7/1 48.8 38.4 10.4 MM DAYS >= TRACE 3 5.0 -2.0 11 DAYS >= 1.0 1 1.9 -0.9 4 GREATEST SNOW DEPTH 1 03/16 3 03/23 24 HR TOTAL 1.8 03/15 TO 03/15 3.0 DEGREE DAYS HEATING TOTAL 1262 1474 -212 1393 SINCE 7/1 5602 5943 -341 MM COOLING TOTAL 101 70 31 74 SINCE 1/1 101 70 31 74 ................................................................ WIND (MPH) AVERAGE WIND SPEED 10.2 HIGHEST WIND SPEED/DIRECTION 39/020 DATE 03/18 HIGHEST GUST SPEED/DIRECTION 57/310 DATE 04/29 SKY COVER AVERAGE SKY COVER 0.61 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 2 MIXED PRECIP 0 HEAVY RAIN 5 RAIN 12 LIGHT RAIN 35 FREEZING RAIN 0 LT FREEZING RAIN 2 HAIL 0 HEAVY SNOW 1 SNOW 1 LIGHT SNOW 3 SLEET 1 FOG 25 FOG W/VIS <= 1/4 MILE 2 HAZE 11 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$