AFOS product CLIDCA
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download Bulk Download
373 
CDUS41 KLWX 181146 CCA
CLIDCA

CLIMATE REPORT...CORRECTED
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
746 AM EDT WED JUL 18 2012


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR JULY 17 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        100    427 PM 102    1980  89     11       89
  MINIMUM         77    453 AM  56    1929  71      6       72
                                      1903
  AVERAGE         89                        80      9       81

PRECIPITATION (IN)
  YESTERDAY        0.00          2.05 1945   0.12  -0.12     0.00
  MONTH TO DATE    1.69                      2.10  -0.41     2.59
  SINCE JUN 1      4.07                      5.88  -1.81     4.27
  SINCE JAN 1     14.81                     21.84  -7.03    17.94

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                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1      0                         6     -6        0
  SINCE JUL 1      0                         0      0        0

 COOLING
  YESTERDAY       24                        15      9       16
  MONTH TO DATE  356                       250    106      283
  SINCE JUN 1    702                       564    138      704
  SINCE JAN 1    961                       698    263      904
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    NE (60)
  AVERAGE WIND SPEED     5.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    85          1200 AM
 LOWEST     29           200 PM
 AVERAGE    57

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   89       103      1887
 MINIMUM TEMPERATURE (F)   71        55      1892


SUNRISE AND SUNSET
JULY 18 2012..........SUNRISE   558 AM EDT   SUNSET   831 PM EDT
JULY 19 2012..........SUNRISE   559 AM EDT   SUNSET   830 PM EDT


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




$$
REMOVED FALSE TIP PRECIPITATION AMOUNT