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

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CXUS53 KGRR 020140 CCA
CLMGRR

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI
922 PM EDT FRI NOV 1 2013

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

...THE GRAND RAPIDS MI CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1892 TO 2013

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              89   10/01/1897
 LOW               18   10/30/1988
                        10/21/1974
HIGHEST            80   10/03        79       1       78  10/25
LOWEST             31   10/25        26       5       32  10/16
                                                          10/08
AVG. MAXIMUM     62.6              60.3     2.3     59.5
AVG. MINIMUM     43.6              41.8     1.8     42.1
MEAN             53.1              51.0     2.1     50.8
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      2               3.4    -1.4        2
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         8.32   1954
 MINIMUM         0.03   1952
TOTALS           5.46              3.26    2.20     6.32
DAILY AVG.       0.18              0.11    0.07     0.20
DAYS >= .01        16              11.8     4.2       17
DAYS >= .10        13               6.8     6.2       14
DAYS >= .50         2               2.1    -0.1        4
DAYS >= 1.00        2               0.6     1.4        2
GREATEST
 24 HR. TOTAL    1.72   10/05 TO 10/05

SNOWFALL (INCHES)
RECORDS
 TOTAL            8.4   1967
 24 HR TOTAL      8.4   10/26/1967 TO 10/27/1967
 SNOW DEPTH         5   10/27/1967
TOTALS              T               0.5    -0.5        T
SINCE 7/1           T               0.5    -0.5        T
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= TRACE       2               0.5     1.5        3
DAYS >= 1.0         0               0.2    -0.2        0
GREATEST
 SNOW DEPTH         0   MM                             0  MM
 24 HR TOTAL        T   10/24 TO 10/24

DEGREE_DAYS
HEATING TOTAL     376               440     -64      436
 SINCE 7/1        514               592     -78      570
COOLING TOTAL      14                 7       7        4
 SINCE 1/1        767               699      68     1039

FREEZE DATES
RECORD
 EARLIEST     09/03/1946
 LATEST       06/04/1945
EARLIEST      10/25             10/13
LATEST                          05/02
..................................................

WIND (MPH)
AVERAGE WIND SPEED              8.0
RESULTANT WIND SPEED/DIRECTION   4/213
HIGHEST WIND SPEED/DIRECTION    32/220    DATE  10/26
HIGHEST GUST SPEED/DIRECTION    43/240    DATE  10/26

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   42
AVERAGE SKY COVER           0.60

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                9     RAIN                      11
LIGHT RAIN               19     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       2
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      19     FOG W/VIS <= 1/4 MILE      0
HAZE                      7

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

&&

RECORDS...
GRAND RAPIDS... 10TH WETTEST OCTOBER ON RECORD WITH 5.46 INCHES OF
PRECIPITATION. THE WETTEST OCTOBER WAS 1954 WITH 8.32 INCHES.

SUMMARY...
OCTOBER 2013 WAS WARMER THAN NORMAL AND HAD ABOVE NORMAL
PRECIPITATION. SNOWFALL WAS MOSTLY LIMITED TO ONE EVENT ON THE 23RD
AND 24TH. MEASURABLE SNOWFALL WAS LIMITED TO MOSTLY OTTAWA...
ALLEGAN AND VAN BUREN COUNTIES IN LAKE ENHANCED SNOW. IN THESE
COUNTIES... SNOWFALL WAS ABOVE NORMAL FOR THE MONTH. ELSEWHERE...
TOTALS WERE NEAR TO BELOW NORMAL.

TEMPERATURES WERE ABOVE NORMAL FOR THE FIRST HALF OF OCTOBER AND
FELL TO NEAR NORMAL AND BELOW NORMAL VALUES FOR MOST OF THE SECOND
HALF OF THE MONTH. THE AVERAGE FOR THE MONTH WAS 1 TO 2 DEGREES
ABOVE NORMAL ACROSS SOUTHWEST LOWER MICHIGAN.

THE OCTOBER PRECIPITATION TOTALS ACROSS SOUTHWEST LOWER MICHIGAN
RANGED FROM 3 TO 5 INCHES. THIS WAS UP TO 2.5 INCHES OVER NORMALS
FOR THE MONTH. THE GREATEST PRECIPITATION AMOUNTS FELL WITH THE
FIRST AND LAST STRONG LOW PRESSURE SYSTEMS OF THE MONTH. THESE
SYSTEMS PRODUCED THE MAJORITY OF THE PRECIPITATION FOR OCTOBER.

THERE WERE A FEW THUNDERSTORM EPISODES DURING THE MONTH. THESE
RESULTED IN SOME MINOR TREE DAMAGE DUE TO STRONG WINDS. PEA SIZE
HAIL WAS ALSO REPORTED ON THE 26TH WITH THE LAST EPISODE.

$$

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