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 260534
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
133 AM EDT FRI MAY 26 2017


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 25 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1962 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         73    227 PM  92    1991  77     -4       86
  MINIMUM         55   1156 PM  36    1967  54      1       52
  AVERAGE         64                        66     -2       69

PRECIPITATION (IN)
  YESTERDAY        0.79          1.76 1997   0.16   0.63     0.00
  MONTH TO DATE    6.61                      3.65   2.96     6.07
  SINCE MAR 1     13.77                     10.50   3.27     9.40
  SINCE JAN 1     17.21                     15.92   1.29    17.66

SNOWFALL (IN)
  YESTERDAY        0.0          MM      MM   0.0    0.0
  MONTH TO DATE    0.0                       0.0    0.0
  SINCE JUL 1      7.3                      22.0  -14.7
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        1                         3     -2        0
  MONTH TO DATE  139                       118     21      164
  SINCE MAR 1    958                      1100   -142      945
  SINCE JUL 1   3851                      4690   -839     4036

 COOLING
  YESTERDAY        0                         3     -3        4
  MONTH TO DATE   50                        48      2       10
  SINCE MAR 1    119                        68     51       33
  SINCE JAN 1    119                        68     51       33
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     E (100)
  AVERAGE WIND SPEED     6.4


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   100          1100 PM
 LOWEST     61           300 PM
 AVERAGE    81

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   78        92      2007
 MINIMUM TEMPERATURE (F)   54        38      1967


SUNRISE AND SUNSET
MAY 26 2017...........SUNRISE   549 AM EDT   SUNSET   825 PM EDT
MAY 27 2017...........SUNRISE   548 AM EDT   SUNSET   826 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.