Climatological Report (Seasonal) Issued by NWS
000
CXUS53 KGRR 011652
CLSMKG
WRKCLSMKG 000
TTAA00 GRR 011636
CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
1124 AM EST MON MAR 01 2021
...................................
...THE MUSKEGON CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2020 TO 2/28/2021...
CLIMATE NORMAL PERIOD: 1981 TO 2010
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 67 02/11/1999
LOW -30 02/11/1899
HIGHEST 54 12/10 52 2 MM
12/23
LOWEST -9 02/17 -8 MM
AVG. MAXIMUM 33.8 33.0 0.8 MM
AVG. MINIMUM 22.4 22.2 0.2 MM
MEAN 28.1 27.6 0.5 MM
DAYS MAX >= 90 0 0.0 0.0 MM
DAYS MAX <= 32 34 40.0 -6.0 MM
DAYS MIN <= 32 77 75.1 1.9 MM
DAYS MIN <= 0 2 1.8 0.2 MM
PRECIPITATION (INCHES)
RECORD
MAXIMUM 13.42 2009
MINIMUM 1.38 2003
TOTALS 5.71 6.41 -0.70 MM
DAILY AVG. 0.06 0.07 -0.01 MM
DAYS >= .01 44 43.6 0.4 MM
DAYS >= .10 17 18.3 -1.3 MM
DAYS >= .50 2 2.5 -0.5 MM
DAYS >= 1.00 1 0.5 0.5 MM
GREATEST
24 HR. TOTAL MM
SNOWFALL (INCHES)
RECORDS
TOTAL 140.6 1977
24 HR TOTAL 22.0 01/10/1982 TO 01/10/1982
SNOW DEPTH 34 12/20/1963
TOTALS 40.4 76.2 -35.8 MM
SINCE 7/1 41.6 82.4 -40.8 MM
SNOWDEPTH AVG. 4 MM
DAYS >= TRACE 48 39.0 9.0 MM
DAYS >= 1.0 16 23.0 -7.0 MM
GREATEST
SNOW DEPTH 16 02/22 MM
24 HR TOTAL 6.2 02/04 TO 02/05
DEGREE DAYS
HEATING TOTAL 3279 3364 -85 MM
SINCE 7/1 4413 4733 -320 MM
COOLING TOTAL 0 0 0 MM
SINCE 1/1 0 0 0 MM
FREEZE DATES
RECORD
EARLIEST 09/22/1976
LATEST 06/22/1992
EARLIEST 10/18
LATEST 05/13
................................................................
WIND (MPH)
AVERAGE WIND SPEED 8.9
RESULTANT WIND SPEED/DIRECTION 2/280
HIGHEST WIND SPEED/DIRECTION 36/220 DATE 12/24
HIGHEST GUST SPEED/DIRECTION 53/210 DATE 12/24
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.82
NUMBER OF DAYS FAIR 6
NUMBER OF DAYS PC 18
NUMBER OF DAYS CLOUDY 66
AVERAGE RH (PERCENT) 71
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 1
LIGHT RAIN 17 FREEZING RAIN 0
LT FREEZING RAIN 1 HAIL 0
HEAVY SNOW 3 SNOW 13
LIGHT SNOW 44 SLEET 0
FOG 46 FOG W/VIS <= 1/4 MILE 8
HAZE 43
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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