Climatological Report (Seasonal)
Issued by NWS
Issued by NWS
000 CXUS53 KGRR 011808 CLSMKG WRKCLSMKG 000 TTAA00 GRR 011755 CLIMATE REPORT NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN 153 PM EDT WED SEP 01 2021 ................................... ...THE MUSKEGON CLIMATE SUMMARY FOR THE SEASON, FROM 6/1/2021 TO 8/31/2021... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1896 TO 2021 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 99 07/06/2012 08/03/1964 07/30/1913 LOW 31 06/11/1972 HIGHEST 90 08/24 90 0 MM LOWEST 44 06/22 41 3 MM AVG. MAXIMUM 81.5 79.8 1.7 MM AVG. MINIMUM 62.3 60.2 2.1 MM MEAN 71.9 70.0 1.9 MM DAYS MAX >= 90 1 3.0 -2.0 MM DAYS MAX <= 32 0 0.0 0.0 MM DAYS MIN <= 32 0 0.0 0.0 MM DAYS MIN <= 0 0 0.0 0.0 MM PRECIPITATION (INCHES) RECORD MAXIMUM 19.15 1905 MINIMUM 3.00 1930 TOTALS 14.12 8.90 5.22 MM DAILY AVG. 0.16 0.10 0.06 MM DAYS >= .01 29 28.2 0.8 MM DAYS >= .10 18 16.6 1.4 MM DAYS >= .50 9 6.1 2.9 MM DAYS >= 1.00 7 2.0 5.0 MM GREATEST 24 HR. TOTAL 2.24 SNOWFALL (INCHES) RECORDS TOTAL 0.0 MM 24 HR TOTAL 0.0 MM SNOW DEPTH MM MM TOTALS 0.0 0.0 0.0 MM SINCE 7/1 0.0 0.0 0.0 MM SNOWDEPTH AVG. 0 MM DAYS >= TRACE 0 0.0 0.0 MM DAYS >= 1.0 0 0.0 0.0 MM GREATEST SNOW DEPTH 0 MM 24 HR TOTAL MM DEGREE DAYS HEATING TOTAL 29 72 -43 MM SINCE 7/1 3 16 -13 MM COOLING TOTAL 690 538 152 MM SINCE 1/1 740 573 167 MM FREEZE DATES RECORD EARLIEST 09/22/1976 LATEST 06/22/1992 EARLIEST MM LATEST 05/13 ................................................................ WIND (MPH) AVERAGE WIND SPEED 7.3 RESULTANT WIND SPEED/DIRECTION 3/220 HIGHEST WIND SPEED/DIRECTION 37/290 DATE 08/10 HIGHEST GUST SPEED/DIRECTION 52/270 DATE 08/10 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.50 NUMBER OF DAYS FAIR 27 NUMBER OF DAYS PC 48 NUMBER OF DAYS CLOUDY 17 AVERAGE RH (PERCENT) 69 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 20 MIXED PRECIP 0 HEAVY RAIN 14 RAIN 16 LIGHT RAIN 37 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 39 FOG W/VIS <= 1/4 MILE 4 HAZE 13 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$