Climatological Report (Monthly)
Issued by NWS Grand Rapids, MI
Issued by NWS Grand Rapids, MI
000 CXUS53 KGRR 011325 CLMGRR CLIMATE REPORT NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN 925 AM EDT SUN OCT 01 2023 ................................... ...THE GRAND RAPIDS CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1892 TO 2023 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 98 09/02/1913 09/16/1899 LOW 27 09/28/1991 HIGHEST 91 09/05 87 4 85 09/03 LOWEST 44 09/19 35 9 38 09/23 AVG. MAXIMUM 74.2 73.9 0.3 72.8 AVG. MINIMUM 54.9 53.1 1.8 54.6 MEAN 64.6 63.5 1.1 63.7 DAYS MAX >= 90 3 0.7 2.3 0 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 0 0.2 -0.2 0 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 11.85 1986 MINIMUM 0.00 1979 TOTALS 1.25 3.43 -2.18 1.30 DAILY AVG. 0.04 0.11 -0.07 0.04 DAYS >= .01 5 10.2 -5.2 8 DAYS >= .10 2 6.4 -4.4 4 DAYS >= .50 1 2.2 -1.2 0 DAYS >= 1.00 1 0.8 0.2 0 GREATEST 24 HR. TOTAL 1.04 09/11 TO 09/11 SNOWFALL (INCHES) RECORDS TOTAL T 2003 SNOW DEPTH T MM TOTALS 0.0 0.0 0.0 0.0 SINCE 7/1 0.0 0.0 0.0 MM SNOWDEPTH AVG. 0 0 DAYS >= TRACE 0 0.0 0.0 0 DAYS >= 1.0 0 0.0 0.0 0 GREATEST SNOW DEPTH 0 0 MM DEGREE DAYS HEATING TOTAL 77 118 -41 114 SINCE 7/1 91 135 -44 MM COOLING TOTAL 73 73 0 84 SINCE 1/1 641 725 -84 MM FREEZE DATES RECORD EARLIEST 09/03/1946 LATEST 06/04/1945 EARLIEST MM LATEST 04/27 ................................................................ WIND (MPH) AVERAGE WIND SPEED 6.4 RESULTANT WIND SPEED/DIRECTION 1/140 HIGHEST WIND SPEED/DIRECTION 24/230 DATE 09/06 HIGHEST GUST SPEED/DIRECTION 35/220 DATE 09/06 SKY COVER POSSIBLE SUNSHINE (PERCENT) 47 AVERAGE SKY COVER 0.57 NUMBER OF DAYS FAIR 5 NUMBER OF DAYS PC 17 NUMBER OF DAYS CLOUDY 8 AVERAGE RH (PERCENT) 77 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 1 MIXED PRECIP 0 HEAVY RAIN 1 RAIN 1 LIGHT RAIN 9 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 19 FOG W/VIS <= 1/4 MILE 2 HAZE 0 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$