AFOS product CLIDCA
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download Bulk Download
431 
CDUS41 KLWX 210520
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
119 AM EDT SUN OCT 21 2012


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR OCTOBER 20 2012...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2012


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         69    305 PM  86    1969  67      2       68
  MINIMUM         51    545 AM  31    1972  49      2       52
  AVERAGE         60                        58      2       60

PRECIPITATION (IN)
  YESTERDAY        0.00          2.97 1910   0.10  -0.10      T
  MONTH TO DATE    0.98                      2.19  -1.21     2.38
  SINCE SEP 1      5.27                      5.91  -0.64    11.22
  SINCE JAN 1     23.98                     32.31  -8.33    38.52

SNOWFALL (IN)
  YESTERDAY        0.0           1.4  1940   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        5                         8     -3        5
  MONTH TO DATE   94                       104    -10       70
  SINCE SEP 1     99                       128    -29       84
  SINCE JUL 1     99                       128    -29       84

 COOLING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE   35                        32      3       15
  SINCE SEP 1    264                       234     30      223
  SINCE JAN 1   1965                      1545    420     1925
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     N (340)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED     5.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    83           500 AM
 LOWEST     37           500 PM
 AVERAGE    60

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   67        85      1947
 MINIMUM TEMPERATURE (F)   49        30      1974
                                             1952


SUNRISE AND SUNSET
OCTOBER 21 2012.......SUNRISE   724 AM EDT   SUNSET   621 PM EDT
OCTOBER 22 2012.......SUNRISE   725 AM EDT   SUNSET   619 PM EDT


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




$$