Climatological Report (Monthly)
Issued by NWS Huntsville, AL

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CXUS54 KHUN 011412
CLMMSL


CLIMATE REPORT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
911 AM CDT WED MAY 1 2013

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

...THE MUSCLE SHOALS CLIMATE SUMMARY FOR THE MONTH OF APRIL 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1893 TO 2013

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              96   04/25/1925
                        04/24/1925
 LOW               24   04/13/1940
                        04/02/1924
                        04/06/1898
HIGHEST            87   04/17        MM      MM       90
                        04/10
LOWEST             36   04/20        MM      MM       34
AVG. MAXIMUM     72.3              73.3    -1.0     77.5
AVG. MINIMUM     49.4              49.5    -0.1     51.4
MEAN             60.9              61.4    -0.5     64.5
DAYS MAX >= 90      0               0.3    -0.3        1
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.5    -0.5        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        12.81   1983
 MINIMUM         0.36   1986
TOTALS           4.50              4.35    0.15     0.90
DAILY AVG.       0.15              0.14    0.01
DAYS >= .01        10               9.5     0.5        5
DAYS >= .10         8               6.8     1.2        2
DAYS >= .50         3               3.1    -0.1        1
DAYS >= 1.00        1               1.3    -0.3        0
GREATEST
 24 HR. TOTAL    1.46   04/11 TO 04/11              0.54

SNOWFALL (INCHES)
RECORDS
 TOTAL            0.5   1987
 24 HR TOTAL      0.5   04/02/1987 TO 04/02/1987
TOTALS            0.0                 T     0.0      0.0
SINCE 7/1           T               2.2    -2.2      0.1
DAYS >= TRACE       0               0.1    -0.1
DAYS >= 1.0         0               0.0     0.0
GREATEST
 24 HR TOTAL      0.0   04/30 TO 04/30               0.0

DEGREE_DAYS
HEATING TOTAL     163               160       3      103
 SINCE 7/1       2899              3073    -174     2309
COOLING TOTAL      46                52      -6       95
 SINCE 1/1         54                65     -11      179

FREEZE DATES
RECORD
 EARLIEST     10/03/1908
 LATEST       04/27/1919
EARLIEST                        11/07
LATEST                          03/28
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              6.5
HIGHEST WIND SPEED/DIRECTION    33/290    DATE  04/18
HIGHEST GUST SPEED/DIRECTION    40/180    DATE  04/18

AVERAGE RH (PERCENT)     65


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

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