Climatological Report (Monthly)
Issued by NWS Huntsville, AL

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000
CXUS54 KHUN 011912
CLMMSL

CLIMATE REPORT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
212 PM CDT THU OCT 01 2020

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

...THE MUSCLE SHOALS CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2020...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1893 TO 2020

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH            108   09/08/1925
 LOW              35   09/30/1901
HIGHEST           94   09/11         MM      MM      100
LOWEST            49   09/30         MM      MM       60
AVG. MAXIMUM    83.5               84.7    -1.2     95.1
AVG. MINIMUM    64.3               61.6     2.7     67.5
MEAN            73.9               73.2     0.7     81.3
DAYS MAX >= 90     9                6.3     2.7       30
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.0     0.0        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       10.13   1979
 MINIMUM        0.00   1897
TOTALS          4.79               3.72    1.07     0.11
DAILY AVG.      0.16               0.12    0.04
DAYS >= .01        7                7.7    -0.7        3
DAYS >= .10        4                5.2    -1.2        0
DAYS >= .50        3                2.5     0.5        0
DAYS >= 1.00       2                1.2     0.8        0
GREATEST
 24 HR. TOTAL   2.37   09/13 TO 09/13               0.05

SNOWFALL (INCHES)
RECORDS
 TOTAL           0.0
 24 HR TOTAL     0.0   MM
TOTALS           0.0                0.0     0.0      0.0
SINCE 7/1         MM                0.0      MM       MM
DAYS >= TRACE     MM                0.0      MM
DAYS >= 1.0       MM                0.0      MM
GREATEST
 24 HR TOTAL     0.0                                  MM

DEGREE DAYS
HEATING TOTAL      8                 15      -7        0
 SINCE 7/1         8                 14      -6       MM
COOLING TOTAL    283                259      24      496
 SINCE 1/1      2042               1802     240       MM

FREEZE DATES
RECORD
 EARLIEST     10/03/1908
 LATEST       05/02/1909
EARLIEST                        11/01
LATEST                          03/20
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              5.1
HIGHEST WIND SPEED/DIRECTION    20/140    DATE  09/12
                                20/310          09/13
                                20/120          09/24
HIGHEST GUST SPEED/DIRECTION    30/140    DATE  09/24

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       6
LIGHT RAIN                8     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      13     FOG W/VIS <= 1/4 MILE      1

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

$$



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