Climatological Report (Seasonal)
Issued by NWS Grand Rapids, MI
Issued by NWS Grand Rapids, MI
042 CXUS53 KGRR 031325 CLSGRR WRKCLSGRR 000 TTAA00 GRR 021842 CLIMATE REPORT NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN 121 PM EST WED DEC 02 2020 ................................... ...THE GRAND RAPIDS CLIMATE SUMMARY FOR THE SEASON, FROM 9/1/2020 TO 11/30/2020... CLIMATE NORMAL PERIOD: 1981 TO 2010 CLIMATE RECORD PERIOD: 1892 TO 2020 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 -10 11/25/1950 HIGHEST 85 09/03 87 -2 88 09/11 LOWEST 22 11/14 16 6 15 11/13 AVG. MAXIMUM 60.7 60.2 0.5 57.8 AVG. MINIMUM 41.7 42.5 -0.8 42.9 MEAN 51.2 51.3 -0.1 50.3 DAYS MAX >= 90 0 0.3 -0.3 0 DAYS MAX <= 32 0 1.8 -1.8 4 DAYS MIN <= 32 19 18.0 1.0 23 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 18.11 1911 MINIMUM 2.59 1956 TOTALS 8.01 11.05 -3.04 17.07 DAILY AVG. 0.09 0.12 -0.03 0.19 DAYS >= .01 23 35.7 -12.7 46 DAYS >= .10 14 21.0 -7.0 25 DAYS >= .50 3 7.1 -4.1 13 DAYS >= 1.00 0 2.3 -2.3 5 GREATEST 24 HR. TOTAL 1.12 09/08 TO 09/08 SNOWFALL (INCHES) RECORDS TOTAL 31.0 2014 24 HR TOTAL 10.4 11/03/1991 TO 11/03/1991 SNOW DEPTH 11 11/21/2000 11/07/1951 TOTALS 0.4 7.3 -6.9 6.8 SINCE 7/1 0.4 7.3 -6.9 MM SNOWDEPTH AVG. 0 0 DAYS >= TRACE 7 4.7 2.3 16 DAYS >= 1.0 0 2.2 -2.2 1 GREATEST SNOW DEPTH 0 4 11/12 24 HR TOTAL 0.2 11/24 TO 11/24 DEGREE DAYS HEATING TOTAL 1274 1317 -43 1414 SINCE 7/1 1276 1337 -61 MM COOLING TOTAL 39 74 -35 100 SINCE 1/1 832 699 133 742 FREEZE DATES RECORD EARLIEST 09/03/1946 LATEST 06/04/1945 EARLIEST 10/05 LATEST 05/13 ................................................................ WIND (MPH) AVERAGE WIND SPEED 9.7 RESULTANT WIND SPEED/DIRECTION 4/230 HIGHEST WIND SPEED/DIRECTION 44/230 DATE 11/15 HIGHEST GUST SPEED/DIRECTION 63/240 DATE 11/15 SKY COVER POSSIBLE SUNSHINE (PERCENT) 51 AVERAGE SKY COVER 0.58 NUMBER OF DAYS FAIR 6 NUMBER OF DAYS PC 12 NUMBER OF DAYS CLOUDY 12 AVERAGE RH (PERCENT) 73 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 9 MIXED PRECIP 0 HEAVY RAIN 8 RAIN 14 LIGHT RAIN 40 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 1 SNOW 0 LIGHT SNOW 6 SLEET 0 FOG 40 FOG W/VIS <= 1/4 MILE 2 HAZE 1 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$