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 180523
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
123 AM EDT FRI AUG 18 2017


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR AUGUST 17 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         89    229 PM 105    1997  87      2       95
  MINIMUM         76    544 AM  51    1902  70      6       72
  AVERAGE         83                        78      5       84

PRECIPITATION (IN)
  YESTERDAY        0.00          2.39 1879   0.09  -0.09     0.88
  MONTH TO DATE    3.02                      1.68   1.34     2.10
  SINCE JUN 1     13.30                      9.19   4.11     8.91
  SINCE JAN 1     28.09                     25.15   2.94    24.24

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        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1      1                         6     -5        0
  SINCE JUL 1      0                         0      0        0

 COOLING
  YESTERDAY       18                        13      5       19
  MONTH TO DATE  227                       235     -8      323
  SINCE JUN 1   1127                      1006    121     1225
  SINCE JAN 1   1325                      1140    185     1353
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     S (180)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     S (180)
  AVERAGE WIND SPEED     8.8


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    94           400 AM
 LOWEST     68          1200 PM
 AVERAGE    81

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   87        98      2002
 MINIMUM TEMPERATURE (F)   70        54      1902


SUNRISE AND SUNSET
AUGUST 18 2017........SUNRISE   625 AM EDT   SUNSET   758 PM EDT
AUGUST 19 2017........SUNRISE   626 AM EDT   SUNSET   757 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.