Climatological Report (Monthly)
Issued by NWS
Issued by NWS
000 CXUS53 KGRR 011325 CLMBIV CLIMATE REPORT NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN 925 AM EDT SUN OCT 01 2023 ................................... ...THE HOLLAND CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1905 TO 2023 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 99 09/06/1954 LOW 27 09/28/1991 HIGHEST 93 09/05 MM MM 85 09/01 LOWEST 45 09/14 MM MM 39 09/23 09/19 AVG. MAXIMUM 74.7 73.5 1.2 72.5 AVG. MINIMUM 54.8 52.4 2.4 55.2 MEAN 64.8 62.9 1.9 63.9 DAYS MAX >= 90 1 0.8 0.2 0 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 10.89 1986 MINIMUM T 1979 TOTALS 1.58 2.95 -1.37 2.47 DAILY AVG. 0.05 0.10 -0.05 0.08 DAYS >= .01 8 11.1 -3.1 6 DAYS >= .10 3 5.8 -2.8 5 DAYS >= .50 1 1.9 -0.9 1 DAYS >= 1.00 0 0.6 -0.6 1 GREATEST 24 HR. TOTAL 0.97 09/11 TO 09/11 DEGREE DAYS HEATING TOTAL 80 123 -43 102 SINCE 7/1 90 147 -57 MM COOLING TOTAL 81 62 19 73 SINCE 1/1 610 623 -13 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 5.6 RESULTANT WIND SPEED/DIRECTION 2/160 HIGHEST WIND SPEED/DIRECTION 24/230 DATE 09/03 HIGHEST GUST SPEED/DIRECTION 35/230 DATE 09/06 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.40 NUMBER OF DAYS FAIR 15 NUMBER OF DAYS PC 9 NUMBER OF DAYS CLOUDY 6 AVERAGE RH (PERCENT) 76 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 1 MIXED PRECIP 0 HEAVY RAIN 3 RAIN 3 LIGHT RAIN 9 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 20 FOG W/VIS <= 1/4 MILE 7 HAZE 1 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$