Climatological Report (Monthly)
Issued by NWS Sterling, VA

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CXUS51 KLWX 080053
CLMDCA

CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
853 PM EDT TUE JUL 7 2015

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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR THE MONTH OF JUNE 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH             104   06/29/2012
 LOW               43   06/02/1897
HIGHEST            96   06/23        95       1
                        06/16
LOWEST             59   06/04        54       5
                        06/03
AVG. MAXIMUM     86.1              84.2     1.9     85.6
AVG. MINIMUM     70.1              66.3     3.8     68.8
MEAN             78.1              75.2     2.9
DAYS MAX >= 90     12               6.3     5.7
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        14.02   2006
 MINIMUM         0.86   1940
TOTALS          11.94              3.78    8.16     3.31
DAILY AVG.       0.40              0.13    0.27
DAYS >= .01        18              10.7     7.3
DAYS >= .10        12               6.1     5.9
DAYS >= .50         7               2.5     4.5
DAYS >= 1.00        3               1.0     2.0
GREATEST
 24 HR. TOTAL    2.92   06/01 TO 06/02

DEGREE_DAYS
HEATING TOTAL       6                 6       0        0
 SINCE 7/1       3930              4031    -101     4121
COOLING TOTAL     407               314      93      372
 SINCE 1/1        705               448     257      541
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              8.2
HIGHEST WIND SPEED/DIRECTION    43/330    DATE  06/23
HIGHEST GUST SPEED/DIRECTION    55/320    DATE  06/23

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.80
NUMBER OF DAYS FAIR            2
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY         18

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             11     MIXED PRECIP               0
HEAVY RAIN               14     RAIN                      12
LIGHT RAIN               19     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       1
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      15     FOG W/VIS <= 1/4 MILE      0
HAZE                      6

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

&&

WASHINGTON DC...REAGAN NATIONAL AIRPORT...

THE MONTHLY AVERAGE TEMPERATURE WAS WELL ABOVE NORMAL...AND RANKED
AS THE SIXTH WARMEST JUNE ON RECORD. MONTHLY PRECIPITATION WAS ALSO
WELL ABOVE NORMAL...AND RANKED AS THE SECOND WETTEST JUNE ON RECORD.

LAST MONTH HAD 12 DAYS WITH TEMPERATURES REACHING OR EXCEEDING 90
DEGREES...THE MOST SINCE 2010. THERE WERE ALSO 8 DAYS WITH MINIMUM
TEMPERATURES AT OR ABOVE 75 DEGREES...THE MOST EVER OBSERVED IN THE
MONTH OF JUNE. PREVIOUSLY...THE MOST DAYS WITH MINIMUM TEMPERATURES
AT OR ABOVE 75 IN THE MONTH OF JUNE WAS 7...IN 2010 AND 1943.

FIVE DAILY RECORD HIGH MINIMUM TEMPERATURE RECORDS WERE TIED
OR BROKEN LAST MONTH.

A MINIMUM TEMPERATURE OF 77 DEGREES ON THE 12TH BROKE THE OLD RECORD
OF 76 SET IN 1947.

A MINIMUM TEMPERATURE OF 75 DEGREES ON THE 13TH TIED THE OLD RECORD
PREVIOUSLY SET IN 2005...1984 AND 1981.

A MINIMUM TEMPERATURE OF 78 DEGREES ON THE 14TH BROKE THE OLD RECORD
OF 76 SET IN 1984.

A MINIMUM TEMPERATURE OF 78 DEGREES ON THE 15TH BROKE THE OLD RECORD
OF 76 SET IN 1994.

A MINIMUM TEMPERATURE OF 78 DEGREES ON THE 22ND BROKE THE OLD RECORD
OF 76 SET IN 1988.

THREE DAILY MAXIMUM RAINFALL RECORDS WERE BROKEN LAST MONTH.

A DAILY RAINFALL OF 2.49 INCHES ON THE 1ST BROKE THE OLD RECORD OF
2.20 INCHES SET IN 1907.

A DAILY RAINFALL OF 2.37 INCHES ON THE 20TH BROKE THE OLD RECORD OF
1.35 INCHES SET IN 1983.

A DAILY RAINFALL OF 2.75 INCHES ON THE 27TH BROKE THE OLD RECORD OF
2.59 INCHES SET IN 1881.

$$

DFH/HTS


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