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

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000
CXUS53 KGRR 030231
CLAGRR

WRKCLMGRR 000
TTAA00 KGRR 030230


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
910 PM EST SAT JAN 2 2016

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

...THE GRAND RAPIDS MI CLIMATE SUMMARY FOR THE YEAR OF 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1892 TO 2016

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             108   07/13/1936
 LOW              -24   02/14/1899
                        02/13/1899
HIGHEST            91   08/02        93      -2       89  07/22
LOWEST            -13   02/20        -6      -7      -12  02/28
                        01/14
AVG. MAXIMUM     58.2              58.0     0.2     55.5
AVG. MINIMUM     39.6              40.3    -0.7     37.5
MEAN             48.9              49.1    -0.2     46.5
DAYS MAX >= 90      2               8.4    -6.4        0
DAYS MAX <= 32     55              47.3     7.7       75
DAYS MIN <= 32    122             126.5    -4.5      144
DAYS MIN <= 0      12               3.9     8.1       11

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        48.80   2008
 MINIMUM        20.99   1930
TOTALS          33.11             38.27   -5.16    40.24
DAILY AVG.       0.09              0.10   -0.01     0.11
DAYS >= .01       138             145.0    -7.0      168
DAYS >= .10        71              77.5    -6.5       90
DAYS >= .50        19              22.9    -3.9       22
DAYS >= 1.00        4               7.7    -3.7        6
GREATEST
 24 HR. TOTAL    2.44   MM                       10/02 TO 10/03
                                                          11/18 TO 11/18
                                                          11/18 TO 11/18

SNOWFALL (INCHES)
RECORDS
 TOTAL          143.7   2008
 24 HR TOTAL     11.3   02/03/2007 TO 02/03/2007
 SNOW DEPTH        24   02/18/2014
TOTALS           52.1              74.9   -22.8    111.1
SINCE 7/1         6.0              29.2   -23.2     32.0
SNOWDEPTH AVG.      1                MM      MM        3
DAYS >= TRACE      74              52.1    21.9      105
DAYS >= 1.0        18              23.0    -5.0       34
GREATEST
 SNOW DEPTH        10   02/06                         24  02/18
                        02/04
                        02/05
 24 HR TOTAL      8.8   MM                       11/18 TO 11/18
                                                          11/18 TO 11/18
                                                          11/18 TO 11/18

DEGREE_DAYS
HEATING TOTAL    6359              6485    -126     7208
 SINCE 7/1       1855              2449    -594     2515
COOLING TOTAL     642               698     -56      611
 SINCE 1/1        642               699     -57      611

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

WIND (MPH)
AVERAGE WIND SPEED              9.6
RESULTANT WIND SPEED/DIRECTION   2/232
HIGHEST WIND SPEED/DIRECTION    45/230    DATE  12/24
HIGHEST GUST SPEED/DIRECTION    66/280    DATE  12/24

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   46
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR           58
NUMBER OF DAYS PC            165
NUMBER OF DAYS CLOUDY        139

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             34     MIXED PRECIP               5
HEAVY RAIN               31     RAIN                      59
LIGHT RAIN              144     FREEZING RAIN              0
LT FREEZING RAIN         11     HAIL                       2
HEAVY SNOW                9     SNOW                      19
LIGHT SNOW               70     SLEET                      6
FOG                     198     FOG W/VIS <= 1/4 MILE     23
HAZE                    104

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

$$

63/JAM



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