Climatological Report (Monthly)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
028 CXUS53 KLOT 011319 CLMRFD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 819 AM CDT TUE OCT 01 2024 ................................... ...THE ROCKFORD IL CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2024... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1905 TO 2024 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 24 09/28/1942 HIGHEST 92 09/21 92 09/03 09/04 LOWEST 40 09/08 42 09/14 AVG. MAXIMUM 80.7 75.3 5.4 77.4 AVG. MINIMUM 53.3 53.5 -0.2 56.6 MEAN 67.0 64.4 2.6 67.0 DAYS MAX >= 90 2 2.0 0.0 2 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 0 0.3 -0.3 0 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 10.68 1961 MINIMUM 0.05 1979 TOTALS 2.05 3.62 -1.57 2.19 DAILY AVG. 0.07 0.12 -0.05 0.07 DAYS >= .01 2 8.4 -6.4 12 DAYS >= .10 2 5.4 -3.4 6 DAYS >= .50 2 2.3 -0.3 1 DAYS >= 1.00 1 1.0 0.0 0 GREATEST 24 HR. TOTAL 1.31 09/22 TO 09/22 0.68 DEGREE DAYS HEATING TOTAL 37 107 -70 38 SINCE 7/1 46 116 -70 MM COOLING TOTAL 106 89 17 104 SINCE 1/1 941 828 113 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 5.3 HIGHEST WIND SPEED/DIRECTION 24/340 DATE 09/06 HIGHEST GUST SPEED/DIRECTION 36/010 DATE 09/27 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.42 NUMBER OF DAYS FAIR 16 NUMBER OF DAYS PC 9 NUMBER OF DAYS CLOUDY 5 AVERAGE RH (PERCENT) 68 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 1 MIXED PRECIP 0 HEAVY RAIN 2 RAIN 2 LIGHT RAIN 7 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 12 FOG W/VIS <= 1/4 MILE 1 HAZE 1 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$