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 170522
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
122 AM EDT WED SEP 17 2014


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 16 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         76    350 PM  97    1991  79     -3       73
  MINIMUM         52   1139 PM  37    1984  56     -4       54
  AVERAGE         64                        68     -4       64

PRECIPITATION (IN)
  YESTERDAY        0.00          2.05 1999   0.15  -0.15     0.06
  MONTH TO DATE    0.21                      2.03  -1.82     0.31
  SINCE SEP 1      0.21                      2.03  -1.82     0.31
  SINCE JAN 1     36.42                     30.03   6.39    28.16

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        1                         2     -1        1
  MONTH TO DATE   16                        10      6       12
  SINCE SEP 1     16                        10      6       12
  SINCE JUL 1     19                        12      7       12

 COOLING
  YESTERDAY        0                         4     -4        0
  MONTH TO DATE  118                       101     17      129
  SINCE SEP 1    118                       101     17      129
  SINCE JAN 1    951                      1117   -166     1220
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED     6.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           400 AM
 LOWEST     43           400 PM
 AVERAGE    72

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   79        97      1991
 MINIMUM TEMPERATURE (F)   56        35      1986


SUNRISE AND SUNSET
SEPTEMBER 17 2014.....SUNRISE   653 AM EDT   SUNSET   715 PM EDT
SEPTEMBER 18 2014.....SUNRISE   654 AM EDT   SUNSET   713 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.