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

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CXUS53 KGRR 021307
CLSGRR

WRKCLMGRR 000
TTAA00 KGRR 012333


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
625 PM EST TUE DEC 1 2015

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

...THE GRAND RAPIDS MI CLIMATE SUMMARY FOR THE SEASON, FROM
9/1/2015 TO 11/30/2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1892 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              98   09/02/1913
                        09/16/1899
 LOW              -10   11/25/1950
HIGHEST            89   09/06        87       2       84  09/05
                        09/02                             09/04
LOWEST             19   11/29        16       3       10  11/21
                        11/22
AVG. MAXIMUM     64.5              60.2     4.3     57.9
AVG. MINIMUM     45.3              42.5     2.8     40.2
MEAN             54.9              51.3     3.6     49.1
DAYS MAX >= 90      0               0.3    -0.3        0
DAYS MAX <= 32      1               1.8    -0.8       10
DAYS MIN <= 32     14              18.0    -4.0       25
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        18.11   1911
 MINIMUM         2.59   1956
TOTALS           8.14             11.05   -2.91    12.19
DAILY AVG.       0.09              0.12   -0.03     0.13
DAYS >= .01        31              35.7    -4.7       44
DAYS >= .10        18              21.0    -3.0       25
DAYS >= .50         5               7.1    -2.1        7
DAYS >= 1.00        0               2.3    -2.3        2
GREATEST
 24 HR. TOTAL    0.85   MM                       10/02 TO 10/03
                                                          11/18 TO 11/18
                                                          11/18 TO 11/18

SNOWFALL (INCHES)
RECORDS
 TOTAL           31.0   2014
 24 HR TOTAL     10.4   11/03/1991 TO 11/03/1991
 SNOW DEPTH        11   11/21/2000
                        11/07/1951
TOTALS            3.5               7.3    -3.8     31.0
SINCE 7/1         3.5               7.3    -3.8     31.0
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= TRACE       8               4.7     3.3       20
DAYS >= 1.0         1               2.2    -1.2        7
GREATEST
 SNOW DEPTH         3   11/22                          8  11/21
                                                          11/18
                                                          11/19
 24 HR TOTAL      3.2   MM                       11/18 TO 11/18
                                                          11/18 TO 11/18
                                                          11/18 TO 11/18

DEGREE_DAYS
HEATING TOTAL    1029              1317    -288     1477
 SINCE 7/1         MM              1338      MM       MM
COOLING TOTAL     135                74      61       51
 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              9.5
RESULTANT WIND SPEED/DIRECTION   3/212
HIGHEST WIND SPEED/DIRECTION    39/250    DATE  11/19
HIGHEST GUST SPEED/DIRECTION    52/270    DATE  11/12

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   50
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR           21
NUMBER OF DAYS PC             39
NUMBER OF DAYS CLOUDY         30

AVERAGE RH (PERCENT)     72

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              8     MIXED PRECIP               2
HEAVY RAIN                8     RAIN                      16
LIGHT RAIN               42     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                7     SLEET                      3
FOG                      48     FOG W/VIS <= 1/4 MILE      3
HAZE                     16

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

$$

JAM 63


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