Climatological Report (Seasonal)
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CXUS53 KGRR 071642 CCA
CLSMKG

CLIMATE REPORT...CORRECTED SNOWFALL
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
1140 AM EST WED MAR 7 2018

...................................

...THE MUSKEGON MI CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2017 TO 2/28/2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1896 TO 2018

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            61   12/04        52       9       62  02/20
                                                          01/21
LOWEST             -6   12/31                -5        9  01/06
                                                          01/05
AVG. MAXIMUM     33.8              33.0     0.8     37.6
AVG. MINIMUM     21.2              22.2    -1.0     26.3
MEAN             27.5              27.6    -0.1     31.9
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     41              39.5     1.5       23
DAYS MIN <= 32     76              75.1     0.9       61
DAYS MIN <= 0       3               1.8     1.2        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        13.42   2009
 MINIMUM         1.38   2003
TOTALS           9.71              6.41    3.30     7.92
DAILY AVG.       0.11              0.07    0.04     0.09
DAYS >= .01        51              43.6     7.4       44
DAYS >= .10        28              18.3     9.7       19
DAYS >= .50         4               2.5     1.5        4
DAYS >= 1.00        2               0.5     1.5        2
GREATEST
 24 HR. TOTAL    1.69   02/20 TO 02/20

SNOWFALL (INCHES)
RECORDS
 TOTAL          140.6   1977
 24 HR TOTAL     22.0   01/10/1982 TO 01/10/1982
 SNOW DEPTH        70   02/05/1918
                        02/04/1918
                        02/03/1918
TOTALS           91.7              76.2    15.5     40.9
SINCE 7/1        91.7              82.4     9.3     41.9
SNOWDEPTH AVG.      6                 5       1        2
DAYS >= TRACE      55              39.2    15.8       49
DAYS >= 1.0        28              22.9     5.1       18
GREATEST
 SNOW DEPTH        18   12/30                         10  12/17
 24 HR TOTAL     14.7   12/29 TO 12/29

DEGREE_DAYS
HEATING TOTAL    3358              3364      -6     2960
 SINCE 7/1       4517              4732    -215     3865
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0

FREEZE DATES
RECORD
 EARLIEST     09/22/1976
 LATEST       06/22/1992
EARLIEST                        10/14
LATEST                          05/04
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              10.8
RESULTANT WIND SPEED/DIRECTION   3/241
HIGHEST WIND SPEED/DIRECTION    37/230    DATE  12/05
HIGHEST GUST SPEED/DIRECTION    49/250    DATE  12/05

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.80
NUMBER OF DAYS FAIR            2
NUMBER OF DAYS PC             26
NUMBER OF DAYS CLOUDY         62

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       6
LIGHT RAIN               17     FREEZING RAIN              0
LT FREEZING RAIN          4     HAIL                       0
HEAVY SNOW               10     SNOW                      24
LIGHT SNOW               54     SLEET                      1
FOG                      51     FOG W/VIS <= 1/4 MILE     13
HAZE                     46

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$

HOVING


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