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 222123
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
523 PM EDT MON SEP 22 2014


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 22 2014...
VALID TODAY AS OF 0500 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         72    338 PM  94    2010  77     -5       74
                                      1980
                                      1970
  MINIMUM         57    608 AM  38    1997  54      3       55
                                      1991
  AVERAGE         65                        65      0       65

PRECIPITATION (IN)
  TODAY            0.00          1.57 1982   0.13  -0.13     0.00
  MONTH TO DATE    0.21                      2.87  -2.66     1.61
  SINCE SEP 1      0.21                      2.87  -2.66     1.61
  SINCE JAN 1     36.42                     30.87   5.55    29.46

SNOWFALL (IN)
  TODAY            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
  TODAY            0                         3     -3        0
  MONTH TO DATE   22                        24     -2       30
  SINCE SEP 1     22                        24     -2       30
  SINCE JUL 1     25                        26     -1       30

 COOLING
  TODAY            0                         3     -3        0
  MONTH TO DATE  123                       123      0      133
  SINCE SEP 1    123                       123      0      133
  SINCE JAN 1    956                      1139   -183     1224
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED    12.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    72           600 AM
 LOWEST     34           200 PM
 AVERAGE    53

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   77        93      2010
                                             2005
 MINIMUM TEMPERATURE (F)   53        33      1983


SUNRISE AND SUNSET
SEPTEMBER 22 2014.....SUNRISE   657 AM EDT   SUNSET   707 PM EDT
SEPTEMBER 23 2014.....SUNRISE   658 AM EDT   SUNSET   705 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.