Climatological Report (Monthly)
Issued by NWS Sterling, VA

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CXUS51 KLWX 041059 CCA
CLMDCA

CLIMATE REPORT...CORRECTED
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
659 AM EDT TUE AUG 4 2015

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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR THE MONTH OF JULY 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             106   07/20/1930
 LOW               52   07/04/1933
                        07/04/1907
                        07/31/1895
HIGHEST            98   07/19        97       1
LOWEST             66   07/16        61       5
                        07/03
AVG. MAXIMUM     89.1              88.4     0.7     88.0
AVG. MINIMUM     73.9              71.1     2.8     70.8
MEAN             81.5              79.8     1.7
DAYS MAX >= 90     14              12.4     1.6
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        11.06   1945
 MINIMUM         0.82   1872
TOTALS           5.01              3.73    1.28     4.68
DAILY AVG.       0.16              0.12    0.04
DAYS >= .01        13              10.3     2.7
DAYS >= .10         5               6.3    -1.3
DAYS >= .50         5               3.0     2.0
DAYS >= 1.00        2               1.0     1.0
GREATEST
 24 HR. TOTAL    1.30   07/01 TO 07/01
                        06/30 TO 07/01
                        07/01 TO 07/01

DEGREE_DAYS
HEATING TOTAL       0                 0       0        0
 SINCE 7/1          0                 0       0        0
COOLING TOTAL     520               457      63      453
 SINCE 1/1       1225               905     320      994
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              6.8
HIGHEST WIND SPEED/DIRECTION    40/270    DATE  07/01
HIGHEST GUST SPEED/DIRECTION    51/270    DATE  07/01

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            3
NUMBER OF DAYS PC             17
NUMBER OF DAYS CLOUDY         11

AVERAGE RH (PERCENT)     65

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              6     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                       5
LIGHT RAIN               16     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       7     FOG W/VIS <= 1/4 MILE      1
HAZE                      8

-  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 ABOVE NORMAL. MONTHLY
PRECIPITATION WAS ALSO ABOVE NORMAL...AND RANKED AS THE WETTEST JULY
SINCE 2010.

LAST MONTH HAD 14 DAYS WITH TEMPERATURES REACHING OR EXCEEDING 90
DEGREES...INCLUDING A STRETCH OF 8 CONSECUTIVE DAYS AT THE END OF
THE MONTH.

A RECORD DAILY HIGH MINIMUM TEMPERATURE OF 82 DEGREES WAS SET ON THE
20TH...BREAKING THE OLD RECORD OF 81 SET IN 1980.

$$

DFH/SMZ
...CORRECTED FOR DATE OF ISSUANCE...


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