AFOS product CLIDCA
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download Bulk Download
657 
CDUS41 KLWX 200521
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
120 AM EDT SUN MAY 20 2012


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR MAY 19 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         84    421 PM  96    1997  76      8       71
                                      1911
  MINIMUM         56    533 AM  43    1976  57     -1       58
  AVERAGE         70                        67      3       65

PRECIPITATION (IN)
  YESTERDAY        0.00          3.15 1900   0.13  -0.13     0.12
  MONTH TO DATE    2.36                      2.40  -0.04     1.59
  SINCE MAR 1      5.30                      8.94  -3.64     9.19
  SINCE JAN 1      9.82                     14.37  -4.55    13.56

SNOWFALL (IN)
  YESTERDAY        0.0          MM      MM   0.0    0.0
  MONTH TO DATE    0.0                       0.0    0.0
  SINCE JUL 1      2.0                      14.5  -12.5
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         2     -2        0
  MONTH TO DATE    4                        62    -58       47
  SINCE MAR 1    496                       900   -404      866
  SINCE JUL 1   3045                      4008   -963     3984

 COOLING
  YESTERDAY        5                         4      1        0
  MONTH TO DATE   73                        46     27       26
  SINCE MAR 1    123                        72     51       70
  SINCE JAN 1    123                        72     51       70
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION    NE (50)
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION    SE (140)
  AVERAGE WIND SPEED     3.5


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    72           500 AM
 LOWEST     30           100 PM
 AVERAGE    51

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   76        96      1996
 MINIMUM TEMPERATURE (F)   58        42      2002


SUNRISE AND SUNSET
MAY 20 2012...........SUNRISE   551 AM EDT   SUNSET   819 PM EDT
MAY 21 2012...........SUNRISE   551 AM EDT   SUNSET   819 PM EDT


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




$$