Climatological Report (Seasonal)
Issued by NWS

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CXUS53 KGRR 012000
CLSMKG

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
349 PM EDT THU JUN 1 2017

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

...THE MUSKEGON MI CLIMATE SUMMARY FOR THE SEASON, FROM
3/1/2017 TO 5/31/2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1896 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              93   05/29/1962
 LOW              -11   03/16/1897
HIGHEST            83   05/17        83       0       88  05/31
LOWEST             14   03/04         7       7        7  03/04
AVG. MAXIMUM     56.5              55.2     1.3     57.5
AVG. MINIMUM     38.6              37.1     1.5     38.1
MEAN             47.6              46.2     1.4     47.8
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      8               4.9     3.1        3
DAYS MIN <= 32     28              31.1    -3.1       27
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        16.61   2004
 MINIMUM         1.93   1930
TOTALS           8.78              8.41    0.37     9.72
DAILY AVG.       0.10              0.09    0.01     0.11
DAYS >= .01        45              34.0    11.0       34
DAYS >= .10        23              18.7     4.3       23
DAYS >= .50         4               5.0    -1.0        6
DAYS >= 1.00        2               1.3     0.7        2
GREATEST
 24 HR. TOTAL    1.20   04/29 TO 04/30

SNOWFALL (INCHES)
RECORDS
 TOTAL           41.8   1965
 24 HR TOTAL     12.0   04/05/1982 TO 04/05/1982
 SNOW DEPTH        24   03/05/2014
TOTALS            4.5              11.3    -6.8      7.3
SINCE 7/1        46.4              93.7   -47.3     61.8
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= TRACE      10               8.0     2.0       12
DAYS >= 1.0         2               3.3    -1.3        2
GREATEST
 SNOW DEPTH         2   03/14                          4  03/02
 24 HR TOTAL      1.8   03/13 TO 03/13

DEGREE_DAYS
HEATING TOTAL    1606              1761    -155     1599
 SINCE 7/1         MM              6494      MM       MM
COOLING TOTAL      22                28      -6       44
 SINCE 1/1         22                29      -7       44

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

WIND (MPH)
AVERAGE WIND SPEED              10.6
RESULTANT WIND SPEED/DIRECTION   1/257
HIGHEST WIND SPEED/DIRECTION    38/200    DATE  04/27
HIGHEST GUST SPEED/DIRECTION    52/200    DATE  03/07

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR           15
NUMBER OF DAYS PC             37
NUMBER OF DAYS CLOUDY         40

AVERAGE RH (PERCENT)     66

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              9     MIXED PRECIP               0
HEAVY RAIN                9     RAIN                      18
LIGHT RAIN               55     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                1     SNOW                       3
LIGHT SNOW               10     SLEET                      0
FOG                      42     FOG W/VIS <= 1/4 MILE      6
HAZE                      7

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

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