Climatological Report (Seasonal)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
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000 CXUS53 KLOT 011559 CLSRFD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 1059 AM CDT WED SEP 01 2021 ................................... ...THE ROCKFORD IL CLIMATE SUMMARY FOR THE SEASON, FROM 6/1/2021 TO 8/31/2021... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1905 TO 2021 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 112 07/14/1936 LOW 35 06/05/1945 06/04/1945 08/30/1915 HIGHEST 99 06/11 MM MM 95 08/27 08/24 08/25 LOWEST 48 06/22 MM MM 51 08/05 06/15 AVG. MAXIMUM 86.0 82.2 3.8 86.0 AVG. MINIMUM 64.3 61.7 2.6 63.4 MEAN 75.1 71.9 3.2 74.7 DAYS MAX >= 90 30 12.5 17.5 23 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 25.76 1972 MINIMUM 3.82 1927 TOTALS 7.14 13.23 -6.09 7.37 DAILY AVG. 0.08 0.14 -0.06 0.08 DAYS >= .01 31 29.8 1.2 22 DAYS >= .10 16 20.0 -4.0 12 DAYS >= .50 3 8.7 -5.7 7 DAYS >= 1.00 1 3.6 -2.6 2 GREATEST 24 HR. TOTAL 2.52 08/09 TO 08/09 1.16 DEGREE DAYS HEATING TOTAL 4 39 -35 5 SINCE 7/1 0 6 -6 0 COOLING TOTAL 960 678 282 921 SINCE 1/1 1060 739 321 977 ................................................................ WIND (MPH) AVERAGE WIND SPEED 6.5 HIGHEST WIND SPEED/DIRECTION 41/240 DATE 08/11 HIGHEST GUST SPEED/DIRECTION 60/210 DATE 08/11 SKY COVER AVERAGE SKY COVER 0.54 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 21 MIXED PRECIP 0 HEAVY RAIN 8 RAIN 10 LIGHT RAIN 41 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 38 FOG W/VIS <= 1/4 MILE 2 HAZE 31 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$