Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 310528
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1226 AM EST SAT JAN 31 2015


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR JANUARY 30 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         43    147 PM  77    2002  44     -1       34
  MINIMUM         23   1159 PM  -6    1873  29     -6       16
  AVERAGE         33                        36     -3       25

PRECIPITATION (IN)
  YESTERDAY        T             0.97 1939   0.09  -0.09     0.00
  MONTH TO DATE    3.73                      2.71   1.02     2.58
  SINCE DEC 1      7.23                      5.76   1.47     8.11
  SINCE JAN 1      3.73                      2.71   1.02     2.58

SNOWFALL (IN)
  YESTERDAY        T            11.5  1930   0.3   -0.3
  MONTH TO DATE    3.6                       5.4   -1.8
  SINCE JUL 1      3.6                       8.2   -4.6
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       32                        28      4       40
  MONTH TO DATE  867                       869     -2      981
  SINCE DEC 1   1516                      1655   -139     1677
  SINCE JUL 1   2123                      2350   -227     2385

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    31   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    41   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED    15.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT SNOW
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    64           200 AM
 LOWEST     29           100 PM
 AVERAGE    47

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   44        71      1916
 MINIMUM TEMPERATURE (F)   29        -2      1905


SUNRISE AND SUNSET
JANUARY 31 2015.......SUNRISE   715 AM EST   SUNSET   528 PM EST
FEBRUARY  1 2015......SUNRISE   714 AM EST   SUNSET   529 PM EST


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




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