Climatological Report (Monthly) Issued by NWS
000
CXUS53 KGRR 010921
CLMMKG
CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
421 AM EST MON JAN 01 2024
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...THE MUSKEGON CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2023...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1896 TO 2023
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 66 12/03/2012
LOW -15 12/31/1976
HIGHEST 59 12/25 51 8 57 12/29
LOWEST 26 12/30 5 21 7 12/23
AVG. MAXIMUM 45.8 37.4 8.4 37.4
AVG. MINIMUM 36.2 26.3 9.9 28.1
MEAN 41.0 31.9 9.1 32.7
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 9.9 -9.9 9
DAYS MIN <= 32 8 24.7 -16.7 21
DAYS MIN <= 0 0 0.2 -0.2 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 6.99 2008
MINIMUM 0.47 1930
TOTALS 1.81 2.42 -0.61 1.45
DAILY AVG. 0.06 0.08 -0.02 0.05
DAYS >= .01 17 14.9 2.1 14
DAYS >= .10 7 6.7 0.3 5
DAYS >= .50 0 1.0 -1.0 1
DAYS >= 1.00 0 0.3 -0.3 0
GREATEST
24 HR. TOTAL 0.32 12/03 TO 12/03
SNOWFALL (INCHES)
RECORDS
TOTAL 82.6 1963
SNOW DEPTH 34 12/20/1963
TOTALS 4.2 22.3 -18.1 17.8
SINCE 7/1 17.4 28.8 -11.4 24.3
SNOWDEPTH AVG. 0 3
DAYS >= TRACE 8 10.9 -2.9 14
DAYS >= 1.0 2 6.9 -4.9 6
GREATEST
SNOW DEPTH 2 12/19 13 12/26
12/27
DEGREE DAYS
HEATING TOTAL 736 1028 -292 990
SINCE 7/1 1839 2300 -461 2118
COOLING TOTAL 0 0 0 0
SINCE 1/1 795 650 145 878
FREEZE DATES
RECORD
EARLIEST 09/22/1976
LATEST 06/22/1992
EARLIEST 10/31
LATEST 04/27
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WIND (MPH)
AVERAGE WIND SPEED 9.0
RESULTANT WIND SPEED/DIRECTION 1/220
HIGHEST WIND SPEED/DIRECTION 35/210 DATE 12/09
HIGHEST GUST SPEED/DIRECTION 53/190 DATE 12/09
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.80
NUMBER OF DAYS FAIR 2
NUMBER OF DAYS PC 9
NUMBER OF DAYS CLOUDY 20
AVERAGE RH (PERCENT) 73
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 5
LIGHT RAIN 17 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 3 SNOW 4
LIGHT SNOW 8 SLEET 0
FOG 20 FOG W/VIS <= 1/4 MILE 7
HAZE 21
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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