Climatological Report (Monthly)
Issued by NWS
Issued by NWS
993
CXUS53 KGRR 011833
CLMMKG
CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
233 PM EDT TUE SEP 01 2026
...................................
...THE MUSKEGON CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1896 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 99 08/03/1964
LOW 36 08/16/1979
HIGHEST 86 08/14 88 -2 91 08/08
08/09
LOWEST 49 08/24 46 3 43 08/30
AVG. MAXIMUM 78.9 80.2 -1.3 80.0
AVG. MINIMUM 62.2 61.3 0.9 60.0
MEAN 70.5 70.8 -0.3 70.0
DAYS MAX >= 90 0 0.4 -0.4 2
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.0 0.0 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 4.51 2021
MINIMUM 0.18 2020
TOTALS 6.52 3.10 3.42 3.78
DAILY AVG. 0.21 0.10 0.11 0.12
DAYS >= .01 11 9.1 1.9 10
DAYS >= .10 7 5.7 1.3 6
DAYS >= .50 4 2.1 1.9 2
DAYS >= 1.00 1 0.7 0.3 2
GREATEST
24 HR. TOTAL 3.35 08/18 TO 08/18
SNOWFALL (INCHES)
RECORDS
TOTAL MM MM
SNOW DEPTH MM MM
TOTALS 0.0 0.0 0.0 0.0
SINCE 7/1 0.0 0.0 0.0 MM
SNOWDEPTH AVG. 0 0
DAYS >= TRACE 0 0.0 0.0 0
DAYS >= 1.0 0 0.0 0.0 0
GREATEST
SNOW DEPTH 0 0 MM
DEGREE DAYS
HEATING TOTAL 6 13 -7 40
SINCE 7/1 10 16 -6 MM
COOLING TOTAL 186 191 -5 203
SINCE 1/1 575 573 2 MM
FREEZE DATES
RECORD
EARLIEST 09/22/1976
LATEST 06/22/1992
EARLIEST MM
LATEST 05/12
................................................................
WIND (MPH)
AVERAGE WIND SPEED 6.7
RESULTANT WIND SPEED/DIRECTION 2/230
HIGHEST WIND SPEED/DIRECTION 25/190 DATE 08/30
HIGHEST GUST SPEED/DIRECTION 38/190 DATE 08/30
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.54
NUMBER OF DAYS FAIR 10
NUMBER OF DAYS PC 14
NUMBER OF DAYS CLOUDY 7
AVERAGE RH (PERCENT) 76
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 8 MIXED PRECIP 1
HEAVY RAIN 5 RAIN 6
LIGHT RAIN 13 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 19 FOG W/VIS <= 1/4 MILE 1
HAZE 2
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$