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 210527
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
127 AM EDT TUE APR 21 2015


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR APRIL 20 2015...

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


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         82    226 PM  94    1941  68     14       64
  MINIMUM         57   1220 AM  28    1904  48      9       48
  AVERAGE         70                        58     12       56

PRECIPITATION (IN)
  YESTERDAY        0.77          1.71 1940   0.10   0.67     0.00
  MONTH TO DATE    2.44                      2.04   0.40     2.01
  SINCE MAR 1      6.48                      5.52   0.96     6.27
  SINCE JAN 1     11.89                     10.95   0.94    12.87

SNOWFALL (IN)
  YESTERDAY        0.0           T    1983   0.0    0.0
                                      1953
  MONTH TO DATE    0.0                       0.0    0.0
  SINCE JUL 1     18.3                      15.4    2.9
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         8     -8        9
  MONTH TO DATE  111                       207    -96      172
  SINCE MAR 1    714                       775    -61      850
  SINCE JUL 1   3838                      3883    -45     4016

 COOLING
  YESTERDAY        5                         1      4        0
  MONTH TO DATE   20                        11      9       21
  SINCE MAR 1     20                        13      7       21
  SINCE JAN 1     20                        13      7       21
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    35   HIGHEST WIND DIRECTION     S (180)
  HIGHEST GUST SPEED    40   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED    11.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  HEAVY RAIN
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           700 AM
 LOWEST     52           100 PM
 AVERAGE    73

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   69        89      1976
                                             1957
 MINIMUM TEMPERATURE (F)   49        31      1875


SUNRISE AND SUNSET
APRIL 21 2015.........SUNRISE   624 AM EDT   SUNSET   751 PM EDT
APRIL 22 2015.........SUNRISE   622 AM EDT   SUNSET   752 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.