Climatological Report (Monthly)
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CXUS53 KGRR 011633
CLMMKG


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
1220 PM EDT FRI JUN 1 2018

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

...THE MUSKEGON MI CLIMATE SUMMARY FOR THE MONTH OF MAY 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              96   05/29/2018
 LOW               22   05/10/1947
HIGHEST            96R  05/29        83      13       83  05/17
LOWEST             41   05/11        31      10       31  05/09
AVG. MAXIMUM     73.6              66.9     6.7     66.1
AVG. MINIMUM     52.0              46.9     5.1     46.4
MEAN             62.8              56.9     5.9     56.3
DAYS MAX >= 90      3               0.0     3.0        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.7    -0.7        3
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         9.59   2004
 MINIMUM         0.23   1936
TOTALS           4.62              3.25    1.37     1.50
DAILY AVG.       0.15              0.10    0.05     0.05
DAYS >= .01        14              10.7     3.3       13
DAYS >= .10         9               6.2     2.8        6
DAYS >= .50         4               2.3     1.7        0
DAYS >= 1.00        0               0.7    -0.7        0
GREATEST
 24 HR. TOTAL    0.90   05/21 TO 05/21

SNOWFALL (INCHES)
RECORDS
 TOTAL            5.0   1923
 24 HR TOTAL      5.0   05/09/1923 TO 05/09/1923
 SNOW DEPTH         2   05/10/1902
TOTALS            0.0               0.0     0.0      0.0
SINCE 7/1       105.3              93.7    11.6     49.0
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= TRACE       0               0.0     0.0        0
DAYS >= 1.0         0               0.0     0.0        0
GREATEST
 SNOW DEPTH         0   MM                             0  MM
 24 HR TOTAL      0.0   05/31 TO 05/31

DEGREE_DAYS
HEATING TOTAL     140               276    -136      279
 SINCE 7/1       6403              6494     -91     5471
COOLING TOTAL      79                25      54       17
 SINCE 1/1         79                29      50       22

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

WIND (MPH)
AVERAGE WIND SPEED              8.0
RESULTANT WIND SPEED/DIRECTION   3/182
HIGHEST WIND SPEED/DIRECTION    36/300    DATE  05/04
HIGHEST GUST SPEED/DIRECTION    50/300    DATE  05/04

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            6
NUMBER OF DAYS PC             12
NUMBER OF DAYS CLOUDY         13

AVERAGE RH (PERCENT)     67

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              5     MIXED PRECIP                0
HEAVY RAIN                4     RAIN                       10
LIGHT RAIN               18     FREEZING RAIN               0
LT FREEZING RAIN          0     HAIL                        0
HEAVY SNOW                0     SNOW                        0
LIGHT SNOW                0     SLEET                       0
FOG                      20     FOG W/VIS <= 1/4 MILE       6
HAZE                      6

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

$$

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