Climatological Report (Monthly)
Issued by NWS Grand Rapids, MI

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CXUS53 KGRR 011946
CLMGRR


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
237 PM EST WED FEB 1 2017

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

...THE GRAND RAPIDS MI (ASOS) CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1892 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              68   01/22/1894
 LOW              -22   01/19/1994
                        01/30/1951
HIGHEST            61   01/21        48      13       47  01/31
LOWEST              2   01/06        -6       8        2  01/19
AVG. MAXIMUM     34.1              30.7     3.4     31.8
AVG. MINIMUM     23.9              18.1     5.8     20.2
MEAN             29.0              24.4     4.6     26.0
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     10              17.0    -7.0       16
DAYS MIN <= 32     21              27.7    -6.7       28
DAYS MIN <= 0       0               2.2    -2.2        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         4.88   1897
 MINIMUM         0.29   1956
TOTALS           3.51              2.09    1.42     2.15
DAILY AVG.       0.11              0.07    0.04     0.07
DAYS >= .01        21              16.0     5.0       19
DAYS >= .10        11               6.1     4.9        9
DAYS >= .50         2               0.8     1.2        0
DAYS >= 1.00        0               0.1    -0.1        0
GREATEST
 24 HR. TOTAL    0.97   01/16 TO 01/17

SNOWFALL (INCHES)
RECORDS
 TOTAL           46.8   1999
 24 HR TOTAL     16.1   01/26/1978 TO 01/26/1978
 SNOW DEPTH        27   01/27/1978
TOTALS           14.8              20.8    -6.0     20.8
SINCE 7/1        52.6              50.0     2.6     26.8
SNOWDEPTH AVG.      1                 5      -4        2
DAYS >= TRACE      16              14.9     1.1       21
DAYS >= 1.0         6               6.9    -0.9        7
GREATEST
 SNOW DEPTH         4   01/31                          6  01/12
                        01/10
 24 HR TOTAL      3.3   01/31 TO 01/31

DEGREE_DAYS
HEATING TOTAL    1108              1258    -150     1200
 SINCE 7/1       3212              3707    -495     3055
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0

FREEZE DATES
RECORD
 EARLIEST     09/03/1946
 LATEST       06/04/1945
EARLIEST                        10/13
LATEST                          05/02
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.7
RESULTANT WIND SPEED/DIRECTION   4/260
HIGHEST WIND SPEED/DIRECTION    41/250    DATE  01/10
HIGHEST GUST SPEED/DIRECTION    55/250    DATE  01/10

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   12
AVERAGE SKY COVER           0.90
NUMBER OF DAYS FAIR            0
NUMBER OF DAYS PC              5
NUMBER OF DAYS CLOUDY         26

AVERAGE RH (PERCENT)     79

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               1
HEAVY RAIN                2     RAIN                       5
LIGHT RAIN               13     FREEZING RAIN              1
LT FREEZING RAIN          3     HAIL                       0
HEAVY SNOW                1     SNOW                       4
LIGHT SNOW               17     SLEET                      1
FOG                      26     FOG W/VIS <= 1/4 MILE      5
HAZE                     13

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

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