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Climatological Report (Daily)
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CDUS41 KLWX 210527
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
126 AM EDT FRI SEP 21 2018


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...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 20 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         83    212 PM  94    1895  78      5       88
  MINIMUM         69    538 AM  41    1916  61      8       70
  AVERAGE         76                        69      7       79

PRECIPITATION (IN)
  YESTERDAY        0.00          1.43 1938   0.13  -0.13     0.00
  MONTH TO DATE    7.25                      2.42   4.83     1.43
  SINCE SEP 1      7.25                      2.42   4.83     1.43
  SINCE JAN 1     47.35                     28.82  18.53    31.08

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    0                         5     -5        5
  SINCE SEP 1      0                         5     -5        5
  SINCE JUL 1      0                         5     -5        5

 COOLING
  YESTERDAY       11                         5      6       14
  MONTH TO DATE  267                       164    103      132
  SINCE SEP 1    267                       164    103      132
  SINCE JAN 1   1870                      1475    395     1623
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     S (160)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     S (160)
  AVERAGE WIND SPEED     6.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    84          1200 AM
 LOWEST     65           100 PM
 AVERAGE    75

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   78        96      1895
 MINIMUM TEMPERATURE (F)   61        41      1956


SUNRISE AND SUNSET
SEPTEMBER 21 2018.....SUNRISE   655 AM EDT   SUNSET   707 PM EDT
SEPTEMBER 22 2018.....SUNRISE   656 AM EDT   SUNSET   705 PM EDT


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




$$
National Weather Service National Headquarters
