Climatological Report (Monthly)
Issued by NWS Birmingham, AL

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CXUS54 KBMX 030147
CLMBHM


CLIMATE REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM, AL
847 PM CDT TUE MAY 2 2017

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

...THE BIRMINGHAM CLIMATE SUMMARY FOR THE MONTH OF APRIL 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              92   04/21/1987
 LOW               26   04/11/1973
HIGHEST            88   04/28        MM      MM       86  04/29
                        04/20
                        04/13
LOWEST             39   04/08        MM      MM       40  04/09
AVG. MAXIMUM     81.1              74.4     6.7     75.3
AVG. MINIMUM     57.3              50.5     6.8     53.4
MEAN             69.2                               64.4
DAYS MAX >= 90      0               0.2    -0.2        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.8    -0.8        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        13.75   1979
 MINIMUM         0.42   1986
TOTALS           6.09              4.38    1.71     3.75
DAILY AVG.       0.20              0.15    0.05     0.12
DAYS >= .01         6               9.1    -3.1        9
DAYS >= .10         5               6.0    -1.0        7
DAYS >= .50         4               3.1     0.9        2
DAYS >= 1.00        2               1.4     0.6        1

DEGREE_DAYS
HEATING TOTAL      38               139    -101       78
 SINCE 7/1       1661              2651    -990     1939
COOLING TOTAL     170                62     108       67
 SINCE 1/1        239                84     155      115
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.0
HIGHEST WIND SPEED/DIRECTION    28/130    DATE  04/30
HIGHEST GUST SPEED/DIRECTION    38/140    DATE  04/30

AVERAGE RH (PERCENT)     61

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       5
LIGHT RAIN                7     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       8     FOG W/VIS <= 1/4 MILE      0
HAZE                      1

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

$$



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