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.

$$