Climatological Report (Seasonal) Issued by NWS
000
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
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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.
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