000
CXUS53 KGRR 041625
CLMGRR


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
1222 PM EDT MON JUN 4 2012

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

...THE GRAND RAPIDS MI CLIMATE SUMMARY FOR THE MONTH OF MAY 2012...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1892 TO 2012

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            91   05/28        85       6       89  05/30
LOWEST             39   05/11        31       8       33  05/05
AVG. MAXIMUM     74.5              69.5     5.0     69.6
AVG. MINIMUM     51.8              47.8     4.0     50.5
MEAN             63.2              58.7     4.5     60.0
DAYS MAX >= 90      2               0.3     1.7        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.7    -0.7        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        10.01   2001
 MINIMUM         0.72   1936
TOTALS           2.72              3.98   -1.26     4.54
DAILY AVG.       0.09              0.13   -0.04     0.15
DAYS >= .01        16              11.2     4.8       15
DAYS >= .10         9               7.0     2.0        9
DAYS >= .50         0               2.3    -2.3        3
DAYS >= 1.00        0               0.9    -0.9        0
GREATEST
 24 HR. TOTAL    0.79   05/20 TO 05/21           05/15 TO 05/15
                                                          05/31 TO 05/31
                                                          05/31 TO 05/31

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              T                 T     0.0      0.0
 LIQUID EQUIV      MM                MM      MM     0.00
SINCE 7/1        51.2              74.9   -23.7     74.0
 LIQUID 7/1      5.12                MM      MM     7.40
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= TRACE       1               0.1     0.9        0
DAYS >= 1.0         0               0.0     0.0        0
GREATEST
 SNOW DEPTH         0   MM                             0  MM
 24 HR TOTAL        T   05/09 TO 05/09           05/31 TO 05/31
                                                          05/31 TO 05/31
                                                          05/31 TO 05/31

DEGREE_DAYS
HEATING TOTAL     131               235    -104      204
 SINCE 7/1       5225              6440   -1215     6468
COOLING TOTAL      81                39      42       59
 SINCE 1/1        108                47      61       64

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

WIND (MPH)
AVERAGE WIND SPEED              8.5
RESULTANT WIND SPEED/DIRECTION   2/199
HIGHEST WIND SPEED/DIRECTION    36/250    DATE  05/02
HIGHEST GUST SPEED/DIRECTION    44/250    DATE  05/02

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   67
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR            8
NUMBER OF DAYS PC             12
NUMBER OF DAYS CLOUDY         11

AVERAGE RH (PERCENT)     63

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       6
LIGHT RAIN               17     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      16     FOG W/VIS <= 1/4 MILE      3
HAZE                      8

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

$$