Climatological Report (Monthly)
Issued by NWS Birmingham, AL

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CXUS54 KBMX 011913
CLMBHM


CLIMATE REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM, AL
110 PM CST MON JAN 1 2018

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

...THE BIRMINGHAM CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1895 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              80   12/07/1951
 LOW                1   12/23/1989
                        12/13/1962
HIGHEST            71   12/20        MM      MM       78  12/25
LOWEST             20   12/31        MM      MM       22  12/10
AVG. MAXIMUM     54.5              55.9    -1.4     58.8
AVG. MINIMUM     36.6              36.3     0.3     39.8
MEAN             45.5                               49.3
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.4    -0.4        0
DAYS MIN <= 32     15              12.7     2.3        8
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        13.98   1961
 MINIMUM         0.81   1980
TOTALS           4.01              4.45   -0.44     2.39
DAILY AVG.       0.13              0.14   -0.01     0.08
DAYS >= .01         8              10.4    -2.4       11
DAYS >= .10         5               7.1    -2.1        8
DAYS >= .50         3               3.1    -0.1        1
DAYS >= 1.00        1               1.4    -0.4        0

DEGREE_DAYS
HEATING TOTAL     597               589       8      484
 SINCE 7/1        999              1047     -48      716
COOLING TOTAL       0                 3      -3        6
 SINCE 1/1       2278              2058     220     2680
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.8
HIGHEST WIND SPEED/DIRECTION    36/270    DATE  12/05
HIGHEST GUST SPEED/DIRECTION    54/280    DATE  12/05

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       5
LIGHT RAIN               10     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                1     SNOW                       1
LIGHT SNOW                1     SLEET                      0
FOG                      17     FOG W/VIS <= 1/4 MILE      5
HAZE                      5

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

$$


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