Climatological Report (Seasonal)
Issued by NWS
Issued by NWS
320 CXUS53 KGRR 031329 RRA CLSMKG WRKCLSMKG 000 TTAA00 GRR 021842 CLIMATE REPORT NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN 121 PM EST WED DEC 02 2020 ................................... ...THE MUSKEGON CLIMATE SUMMARY FOR THE SEASON, FROM 9/1/2020 TO 11/30/2020... CLIMATE NORMAL PERIOD: 1981 TO 2010 CLIMATE RECORD PERIOD: 1896 TO 2020 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 95 09/06/1954 09/01/1953 LOW -14 11/25/1950 HIGHEST 81 09/03 85 -4 85 09/11 LOWEST 24 11/18 18 6 18 11/13 AVG. MAXIMUM 61.4 58.9 2.5 57.5 AVG. MINIMUM 44.3 43.1 1.2 44.0 MEAN 52.9 51.0 1.9 50.8 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 0 1.7 -1.7 4 DAYS MIN <= 32 10 16.7 -6.7 20 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 17.29 1988 MINIMUM 2.91 1956 TOTALS 8.35 10.36 -2.01 17.03 DAILY AVG. 0.09 0.11 -0.02 0.18 DAYS >= .01 8 36.1 -28.1 49 DAYS >= .10 4 20.8 -16.8 27 DAYS >= .50 1 6.6 -5.6 11 DAYS >= 1.00 0 2.0 -2.0 5 GREATEST 24 HR. TOTAL 0.96 09/08 TO 09/08 SNOWFALL (INCHES) RECORDS TOTAL 25.7 1995 24 HR TOTAL 16.0 11/14/1908 TO 11/14/1908 SNOW DEPTH 16 11/14/1908 TOTALS 1.2 6.2 -5.0 10.9 SINCE 7/1 1.2 6.2 -5.0 MM SNOWDEPTH AVG. T 0 DAYS >= TRACE 6 4.3 1.7 12 DAYS >= 1.0 1 1.7 -0.7 4 GREATEST SNOW DEPTH 0 6 11/08 24 HR TOTAL 1.2 11/24 TO 11/24 DEGREE DAYS HEATING TOTAL 1129 1337 -208 1366 SINCE 7/1 1134 1367 -233 MM COOLING TOTAL 44 59 -15 95 SINCE 1/1 833 566 267 640 FREEZE DATES RECORD EARLIEST 09/22/1976 LATEST 06/22/1992 EARLIEST 10/27 LATEST 05/13 ................................................................ WIND (MPH) AVERAGE WIND SPEED 10.2 RESULTANT WIND SPEED/DIRECTION 3/220 HIGHEST WIND SPEED/DIRECTION 35/260 DATE 11/15 HIGHEST GUST SPEED/DIRECTION 70/220 DATE 09/06 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.61 NUMBER OF DAYS FAIR 7 NUMBER OF DAYS PC 11 NUMBER OF DAYS CLOUDY 12 AVERAGE RH (PERCENT) 65 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 8 MIXED PRECIP 0 HEAVY RAIN 4 RAIN 13 LIGHT RAIN 41 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 1 LIGHT SNOW 7 SLEET 0 FOG 26 FOG W/VIS <= 1/4 MILE 3 HAZE 4 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$