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

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CXUS53 KGRR 020340
CLMGRR


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
1130 PM EDT MON JUN 1 2015

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

...THE GRAND RAPIDS MI CLIMATE SUMMARY FOR THE MONTH OF MAY 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   05/30/1895
 LOW               21   05/01/1903
HIGHEST            85   05/07        85       0       88  05/31
LOWEST             35   05/20        31       4       32  05/16
AVG. MAXIMUM     71.3              69.5     1.8     70.1
AVG. MINIMUM     50.5              47.8     2.7     48.6
MEAN             60.9              58.7     2.2     59.3
DAYS MAX >= 90      0               0.3    -0.3        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.7    -0.7        1
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        10.01   2001
 MINIMUM         0.72   1936
TOTALS           3.47              3.98   -0.51     3.31
DAILY AVG.       0.11              0.13   -0.02     0.11
DAYS >= .01        15              11.2     3.8       12
DAYS >= .10        10               7.0     3.0        9
DAYS >= .50         1               2.3    -1.3        1
DAYS >= 1.00        0               0.9    -0.9        1
GREATEST
 24 HR. TOTAL    0.51   05/30 TO 05/30           05/07 TO 05/07

SNOWFALL (INCHES)
RECORDS
 TOTAL            5.5   1923
                        1902
 24 HR TOTAL      5.5   05/09/1923 TO 05/09/1923
                        05/10/1902 TO 05/10/1902
 SNOW DEPTH         T   MM
TOTALS            0.0                 T     0.0      0.0
SINCE 7/1        78.1              74.9     3.2    116.0
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= TRACE       0               0.1    -0.1        0
DAYS >= 1.0         0               0.0     0.0        0
GREATEST
 SNOW DEPTH         0   MM                             0  MM
 24 HR TOTAL      0.0   MM

DEGREE_DAYS
HEATING TOTAL     172               235     -63      219
 SINCE 7/1       6989              6440     549     7200
COOLING TOTAL      52                39      13       51
 SINCE 1/1         52                47       5       53

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   3/215
HIGHEST WIND SPEED/DIRECTION    31/240    DATE  05/25
HIGHEST GUST SPEED/DIRECTION    39/180    DATE  05/25

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   45
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR            5
NUMBER OF DAYS PC             15
NUMBER OF DAYS CLOUDY         11

AVERAGE RH (PERCENT)     69

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                6     RAIN                       9
LIGHT RAIN               19     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      18     FOG W/VIS <= 1/4 MILE      2
HAZE                      8

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

$$

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