Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 250531
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
131 AM EDT MON SEP 25 2017


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 24 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         92    130 PM  99    2010  76     16       77
  MINIMUM         67    601 AM  39    1963  59      8       65
  AVERAGE         80                        68     12       71

PRECIPITATION (IN)
  YESTERDAY        0.00          1.98 1883   0.13  -0.13     0.00
  MONTH TO DATE    1.43                      2.94  -1.51     0.51
  SINCE SEP 1      1.43                      2.94  -1.51     0.51
  SINCE JAN 1     31.08                     29.34   1.74    25.44

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                         1     -1        0
  MONTH TO DATE    5                         9     -4        0
  SINCE SEP 1      5                         9     -4        0
  SINCE JUL 1      5                         9     -4        0

 COOLING
  YESTERDAY       15                         4     11        6
  MONTH TO DATE  184                       182      2      321
  SINCE SEP 1    184                       182      2      321
  SINCE JAN 1   1675                      1493    182     1907
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION    NE (60)
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION    NE (50)
  AVERAGE WIND SPEED     4.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    82          1100 PM
 LOWEST     41           200 PM
 AVERAGE    62

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   76        95      1930
 MINIMUM TEMPERATURE (F)   59        39      1963


SUNRISE AND SUNSET
SEPTEMBER 25 2017.....SUNRISE   659 AM EDT   SUNSET   700 PM EDT
SEPTEMBER 26 2017.....SUNRISE   700 AM EDT   SUNSET   658 PM EDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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