Climatological Report (Monthly)
Issued by NWS Birmingham, AL

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CXUS54 KBMX 041322
CLMBHM


CLIMATE REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM, AL
819 AM CDT FRI MAY 4 2018

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

...THE BIRMINGHAM CLIMATE SUMMARY FOR THE MONTH OF APRIL 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1895 TO 2018

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   04/03        MM      MM       88  04/28
                                                          04/20
                                                          04/13
LOWEST             32   04/08        MM      MM       39  04/08
AVG. MAXIMUM     72.6              74.4    -1.8     81.1
AVG. MINIMUM     47.7              50.5    -2.8     57.3
MEAN             60.2                               69.2
DAYS MAX >= 90      0               0.2    -0.2        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      1               0.8     0.2        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        13.75   1979
 MINIMUM         0.42   1986
TOTALS           8.25              4.38    3.87     6.09
DAILY AVG.       0.28              0.15    0.13     0.20
DAYS >= .01         9               9.1    -0.1        6
DAYS >= .10         7               6.0     1.0        5
DAYS >= .50         5               3.1     1.9        4
DAYS >= 1.00        3               1.4     1.6        2

DEGREE_DAYS
HEATING TOTAL     162               139      23       38
 SINCE 7/1       2475              2651    -176     1661
COOLING TOTAL      24                62     -38      170
 SINCE 1/1         90                84       6      239
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.9
HIGHEST WIND SPEED/DIRECTION    29/280    DATE  04/03
HIGHEST GUST SPEED/DIRECTION    39/290    DATE  04/03

AVERAGE RH (PERCENT)     64

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                6     RAIN                       8
LIGHT RAIN                9     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      11     FOG W/VIS <= 1/4 MILE      0
HAZE                      3

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

$$



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