Climatological Report (Monthly)
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CXUS53 KGRR 011356
CLMMKG


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
849 AM EST THU FEB 1 2018

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

...THE MUSKEGON MI CLIMATE SUMMARY FOR THE MONTH OF JANUARY 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              63   01/25/1950
 LOW              -21   01/12/1912
HIGHEST            56   01/11        47       9       62  01/21
LOWEST             -3   01/05                -2        9  01/06
                                                          01/05
AVG. MAXIMUM     33.2              30.8     2.4     35.0
AVG. MINIMUM     21.3              20.1     1.2     24.8
MEAN             27.3              25.4     1.9     29.9
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     13              16.5    -3.5       11
DAYS MIN <= 32     26              26.9    -0.9       21
DAYS MIN <= 0       1               0.9     0.1        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         7.72   1897
 MINIMUM         0.29   1934
TOTALS           2.92              2.03    0.89     3.03
DAILY AVG.       0.09              0.07    0.02     0.10
DAYS >= .01        15              15.7    -0.7       20
DAYS >= .10         9               6.2     2.8        8
DAYS >= .50         2               0.7     1.3        1
DAYS >= 1.00        1               0.0     1.0        0
GREATEST
 24 HR. TOTAL    1.03   01/22 TO 01/22

SNOWFALL (INCHES)
RECORDS
 TOTAL          102.4   1982
 24 HR TOTAL     22.0   01/10/1982 TO 01/10/1982
 SNOW DEPTH        33   01/16/1979
TOTALS           19.0              28.0    -9.0     17.4
SINCE 7/1        70.7              63.1     7.6     38.8
SNOWDEPTH AVG.      6                 6       0        1
DAYS >= TRACE      19              15.1     3.9       18
DAYS >= 1.0         6               8.2    -2.2       10
GREATEST
 SNOW DEPTH        17   01/04                          6  01/10
                        01/02
 24 HR TOTAL      5.6   01/03 TO 01/03

DEGREE_DAYS
HEATING TOTAL    1162              1226     -64     1078
 SINCE 7/1       3515              3672    -157     3043
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              11.6
RESULTANT WIND SPEED/DIRECTION   4/226
HIGHEST WIND SPEED/DIRECTION    32/230    DATE  01/02
HIGHEST GUST SPEED/DIRECTION    43/220    DATE  01/31

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.80
NUMBER OF DAYS FAIR            0
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY         21

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       2
LIGHT RAIN                8     FREEZING RAIN              0
LT FREEZING RAIN          2     HAIL                       0
HEAVY SNOW                2     SNOW                       4
LIGHT SNOW               19     SLEET                      0
FOG                      16     FOG W/VIS <= 1/4 MILE      4
HAZE                     17

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

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