Climatological Report (Seasonal)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
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000 CXUS53 KLOT 011741 CLSRFD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 1141 AM CST WED DEC 01 2021 ................................... ...THE ROCKFORD IL CLIMATE SUMMARY FOR THE SEASON, FROM 9/1/2021 TO 11/30/2021... 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 103 09/07/1939 LOW -10 11/26/1977 HIGHEST 93 09/19 MM MM 88 09/02 LOWEST 14 11/26 MM MM 21 11/02 AVG. MAXIMUM 66.2 61.6 4.6 63.4 AVG. MINIMUM 44.1 42.0 2.1 42.1 MEAN 55.1 51.8 3.3 52.8 DAYS MAX >= 90 5 1.6 3.4 MM DAYS MAX <= 32 1 2.8 -1.8 MM DAYS MIN <= 32 21 23.5 -2.5 MM DAYS MIN <= 0 0 0.0 0.0 MM PRECIPITATION (INCHES) RECORD MAXIMUM 21.56 1961 MINIMUM 3.05 1956 TOTALS 6.27 8.52 -2.25 10.51 DAILY AVG. 0.07 0.09 -0.02 0.12 DAYS >= .01 23 26.8 -3.8 MM DAYS >= .10 15 15.7 -0.7 MM DAYS >= .50 5 5.5 -0.5 MM DAYS >= 1.00 0 2.0 -2.0 MM GREATEST 24 HR. TOTAL 0.87 10/24 TO 10/24 2.06 09/08 TO 09/08 09/08 TO 09/08 09/08 TO 09/08 DEGREE DAYS HEATING TOTAL 1064 1305 -241 1154 SINCE 7/1 1064 1317 -253 MM COOLING TOTAL 192 100 92 65 SINCE 1/1 1252 839 413 1042 ................................................................ WIND (MPH) AVERAGE WIND SPEED 7.6 HIGHEST WIND SPEED/DIRECTION 30/280 DATE 11/11 HIGHEST GUST SPEED/DIRECTION 50/230 DATE 11/12 SKY COVER AVERAGE SKY COVER 0.56 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 8 MIXED PRECIP 0 HEAVY RAIN 7 RAIN 13 LIGHT RAIN 34 FREEZING RAIN 0 LT FREEZING RAIN 1 HAIL 2 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 7 SLEET 1 FOG 34 FOG W/VIS <= 1/4 MILE 1 HAZE 3 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$