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482
CXUS51 KLWX 060228
CLMIAD

CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1025 PM EDT SAT JUL 5 2014

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR THE MONTH OF JUNE 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1962 TO 2014

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH             102   06/29/2012
 LOW               36   06/08/1977
HIGHEST            91   06/18        93      -2
                        06/17
LOWEST             50   06/01        45       5
AVG. MAXIMUM     82.3              83.8    -1.5     82.6
AVG. MINIMUM     62.5              61.0     1.5     63.9
MEAN             72.4              72.4     0.0
DAYS MAX >= 90      3               5.6    -2.6
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        18.19   1972
 MINIMUM         0.52   1988
TOTALS           4.62              3.98    0.64     4.64
DAILY AVG.       0.15              0.13    0.02
DAYS >= .01         9              10.9    -1.9
DAYS >= .10         7               6.6     0.4
DAYS >= .50         4               2.6     1.4
DAYS >= 1.00        1               1.0     0.0
GREATEST
 24 HR. TOTAL    1.74   06/08 TO 06/09

DEGREE_DAYS
HEATING TOTAL       2                15     -13        0
 SINCE 7/1       5166              4717     449     4560
COOLING TOTAL     232               237      -5      256
 SINCE 1/1        318               329     -11      395
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              5.7
HIGHEST WIND SPEED/DIRECTION    28/290    DATE  06/13
HIGHEST GUST SPEED/DIRECTION    48/180    DATE  06/25

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            4
NUMBER OF DAYS PC             19
NUMBER OF DAYS CLOUDY          7

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                6     RAIN                       7
LIGHT RAIN               12     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      10     FOG W/VIS <= 1/4 MILE      1
HAZE                      2

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

&&

JUNE 2014...DULLES INTERNATIONAL AIRPORT...

THE MONTHLY AVERAGE TEMPERATURE WAS EXACTLY AT NORMAL. PRECIPITATION
WAS ABOVE NORMAL.

A RECORD DAILY HIGH MINIMUM TEMPERATURE RECORD OF 71 DEGF WAS SET ON
THE 18TH...BREAKING THE OLD RECORD OF 70 DEGF SET IN 2004. A SECOND
RECORD DAILY HIGH MINIMUM TEMPERATURE OF 71 DEGF WAS SET ON THE
19TH...BREAKING THE OLD RECORD OF 70 DEGF SET IN 2011.

A RECORD DAILY MAXIMUM RAINFALL OF 1.71 INCHES WAS SET ON THE
8TH...BREAKING THE OLD RECORD OF 0.96 INCHES SET IN 1978.

$$

DH/SMZ











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