Climatological Report (Monthly)
Issued by NWS

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CXUS53 KGRR 011423
CLMMKG


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
909 AM EST FRI FEB 1 2013

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

...THE MUSKEGON MI CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1895 TO 2013

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            59   01/29        47      12       56  01/11
LOWEST              3   01/22                 4        9  01/20
AVG. MAXIMUM     35.4              30.8     4.6     37.7
AVG. MINIMUM     22.3              20.1     2.2     24.8
MEAN             28.9              25.4     3.5     31.2
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     13              16.5    -3.5       10
DAYS MIN <= 32     28              26.9     1.1       27
DAYS MIN <= 0       0               0.9    -0.9        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         7.72   1897
 MINIMUM         0.29   1934
TOTALS           5.48              2.03    3.45     3.13
DAILY AVG.       0.18              0.07    0.11     0.10
DAYS >= .01        20              15.7     4.3       14
DAYS >= .10        10               6.2     3.8        9
DAYS >= .50         3               0.7     2.3        2
DAYS >= 1.00        1               0.0     1.0        0
GREATEST
 24 HR. TOTAL    2.68   01/29 TO 01/30           01/23 TO 01/23
                                                          01/14 TO 01/14


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           31.4              28.0     3.4     37.6
 LIQUID EQUIV      MM              2.80      MM       MM
SINCE 7/1        39.6              63.1   -23.5     39.5
 LIQUID 7/1      0.82              6.30   -5.48     0.19
SNOWDEPTH AVG.      2                 6      -4        3
DAYS >= TRACE      21              15.1     5.9       16
DAYS >= 1.0         6               8.2    -2.2       10
GREATEST
 SNOW DEPTH        14   01/26                         16  01/15
 24 HR TOTAL      9.4   01/25 TO 01/25           01/14 TO 01/14


DEGREE_DAYS
HEATING TOTAL    1114              1226    -112     1040
 SINCE 7/1       3313              3672    -359     3086
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              11.2
RESULTANT WIND SPEED/DIRECTION   6/244
HIGHEST WIND SPEED/DIRECTION    37/290    DATE  01/19
HIGHEST GUST SPEED/DIRECTION    52/290    DATE  01/19

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.80
NUMBER OF DAYS FAIR            5
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY         18

AVERAGE RH (PERCENT)     72

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       3
LIGHT RAIN                9     FREEZING RAIN              0
LT FREEZING RAIN          3     HAIL                       0
HEAVY SNOW                5     SNOW                       6
LIGHT SNOW               20     SLEET                      0
FOG                      17     FOG W/VIS <= 1/4 MILE      4
HAZE                      9

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

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