Climatological Report (Daily)
Issued by NWS Sterling, VA

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
CDUS41 KLWX 160519
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
118 AM EDT TUE SEP 16 2014


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 15 2014...

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


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         73    432 PM  95    1998  80     -7       77
                                      1993
  MINIMUM         48    548 AM  38    1985  57     -9       42
  AVERAGE         61                        68     -7       60

PRECIPITATION (IN)
  YESTERDAY        0.00          1.06 1981   0.15  -0.15     0.00
  MONTH TO DATE    0.21                      1.88  -1.67     0.25
  SINCE SEP 1      0.21                      1.88  -1.67     0.25
  SINCE JAN 1     36.42                     29.88   6.54    28.10

SNOWFALL (IN)
  YESTERDAY        0.0          MM      MM   0.0    0.0
  MONTH TO DATE    0.0                       0.0    0.0
  SINCE JUL 1      0.0                       0.0    0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        4                         1      3        5
  MONTH TO DATE   15                         8      7       11
  SINCE SEP 1     15                         8      7       11
  SINCE JUL 1     18                        10      8       11

 COOLING
  YESTERDAY        0                         5     -5        0
  MONTH TO DATE  118                        97     21      129
  SINCE SEP 1    118                        97     21      129
  SINCE JAN 1    951                      1113   -162     1220
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION    SW (230)
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION    SW (240)
  AVERAGE WIND SPEED     2.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           100 AM
 LOWEST     44           200 PM
 AVERAGE    72

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   79        97      1991
 MINIMUM TEMPERATURE (F)   56        37      1984


SUNRISE AND SUNSET
SEPTEMBER 16 2014.....SUNRISE   652 AM EDT   SUNSET   716 PM EDT
SEPTEMBER 17 2014.....SUNRISE   653 AM EDT   SUNSET   715 PM EDT


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




$$




USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.