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422
CXUS51 KLWX 041855
CLMBWI

CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
253 PM EDT THU SEP 4 2014

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

...THE BALTIMORE MD CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1870 TO 2014

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH             105   08/20/1983
                        08/07/1918
                        08/06/1918
 LOW               45   08/30/1986
HIGHEST            92   08/31        95      -3
LOWEST             54   08/15        54       0
AVG. MAXIMUM     82.5              85.1    -2.6     83.6
AVG. MINIMUM     62.5              65.2    -2.7     64.9
MEAN             72.5              75.1    -2.6
DAYS MAX >= 90      1               6.5    -5.5
DAYS MAX <= 32      0               0.0     0.0
DAYS MIN <= 32      0               0.0     0.0
DAYS MIN <= 0       0               0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        18.35   1955
 MINIMUM         0.64   1877
TOTALS           7.90              3.29    4.61     1.13
DAILY AVG.       0.25              0.11    0.14
DAYS >= .01         9               8.6     0.4
DAYS >= .10         5               5.7    -0.7
DAYS >= .50         3               2.2     0.8
DAYS >= 1.00        1               0.7     0.3
GREATEST
 24 HR. TOTAL    6.31   08/11 TO 08/12

DEGREE_DAYS
HEATING TOTAL       0                 1      -1        0
 SINCE 7/1          0                 1      -1        0
COOLING TOTAL     241               316     -75      292
 SINCE 1/1        917              1010     -93     1145
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              4.4
HIGHEST WIND SPEED/DIRECTION    23/030    DATE  08/12
HIGHEST GUST SPEED/DIRECTION    29/020    DATE  08/12

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            4
NUMBER OF DAYS PC             18
NUMBER OF DAYS CLOUDY          9

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       3
LIGHT RAIN               12     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      15     FOG W/VIS <= 1/4 MILE      1
HAZE                      7

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

&&

THE AVERAGE MONTHLY TEMPERATURE IN BALTIMORE MD THIS AUGUST 2014 WAS
BELOW NORMAL. RAINFALL WAS WELL ABOVE NORMAL.

THERE WAS ONLY 1 DAY THIS MONTH WHERE THE MAXIMUM TEMPERATURE
REACHED OR EXCEEDED 90 DEGREES. THE LAST TIME THERE WAS ONLY 1 DAY
IN AUGUST WHERE THE MAXIMUM TEMPERATURE REACHED OR EXCEEDED 90
DEGREES WAS 2000.

A RECORD DAILY MAXIMUM RAINFALL OF 6.30 INCHES WAS SET ON THE
12TH...BREAKING THE OLD RECORD OF 4.91 INCHES SET IN 1955. THIS WAS
ALSO THE SECOND HIGHEST DAILY RAINFALL TOTAL EVER RECORDED AT
BALTIMORE FOR ANY DAY. THE HIGHEST IS 7.62 INCHES SET ON AUGUST 23RD
1933 DURING THE GREAT CHESAPEAKE POTOMAC HURRICANE.

7.90 INCHES OF RAIN DURING THE MONTH OF AUGUST 2014 MADE IT THE 14TH
WETTEST AUGUST ON RECORD. PRECIPITATION RECORDS IN BALTIMORE GO BACK
TO 1871.

$$

DFH/KLW/CS








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