Climatological Report (Monthly)
Issued by NWS Birmingham, AL

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CXUS54 KBMX 011925
CLMBHM


CLIMATE REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM, AL
224 PM CDT FRI MAY 1 2015

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

...THE BIRMINGHAM CLIMATE SUMMARY FOR THE MONTH OF APRIL 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 2014 TO 2015

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            85   04/09        MM      MM       84  04/28
                        04/08                             04/26
                        04/03                             04/24
LOWEST             43   04/05        MM      MM       32  04/16
AVG. MAXIMUM     75.4              74.4     1.0     74.4
AVG. MINIMUM     55.7              50.5     5.2     52.2
MEAN             65.6                               63.3
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        1
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        13.75   1979
 MINIMUM         0.42   1986
TOTALS          10.24              4.38    5.86     8.89
DAILY AVG.       0.34              0.15    0.19     0.30
DAYS >= .01        15               9.1     5.9       13
DAYS >= .10        13               6.0     7.0       10
DAYS >= .50         5               3.1     1.9        5
DAYS >= 1.00        4               1.4     2.6        3

DEGREE_DAYS
HEATING TOTAL      51               139     -88       97
 SINCE 7/1       2776              2651     125     2968
COOLING TOTAL      77                62      15       56
 SINCE 1/1         82                84      -2       59
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.8
HIGHEST WIND SPEED/DIRECTION    40/300    DATE  04/19
HIGHEST GUST SPEED/DIRECTION    50/300    DATE  04/19

AVERAGE RH (PERCENT)     72

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                7     RAIN                       9
LIGHT RAIN               18     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      17     FOG W/VIS <= 1/4 MILE      3
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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