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Climatological Report (Daily)
Issued by NWS Sterling, VA
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CDUS41 KLWX 102122
CLIDCA

CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
522 PM EDT FRI SEP 10 2021

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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 10 2021...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2021


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         78   3:20 PM  98    1983  83     -5       81
  MINIMUM         63   6:25 AM  44    1883  66     -3       76
  AVERAGE         71                        74     -3       79

PRECIPITATION (IN)
  TODAY            0.00          2.88 2020   0.13  -0.13     2.88
  MONTH TO DATE    1.60                      1.28   0.32     4.02
  SINCE SEP 1      1.60                      1.28   0.32     4.02
  SINCE JAN 1     36.78                     29.19   7.59    39.87

SNOWFALL (IN)
  TODAY            0.0          MM      MM   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE SEP 1      0.0                       0.0    0.0      0.0
  SINCE JUL 1      0.0                       0.0    0.0      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE SEP 1      0                         0      0        0
  SINCE JUL 1      0                         0      0        0

 COOLING
  TODAY            6                        10     -4       14
  MONTH TO DATE   92                       109    -17      123
  SINCE SEP 1     92                       109    -17      123
  SINCE JAN 1   1611                      1561     50     1655
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED    12.6


SKY COVER
  AVERAGE SKY COVER 0.2


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    67           6:00 AM
 LOWEST     37           3:00 PM
 AVERAGE    52

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   82        98      1983
 MINIMUM TEMPERATURE (F)   66        40      1917


SUNRISE AND SUNSET
SEPTEMBER 10 2021.....SUNRISE   6:45 AM EDT   SUNSET   7:24 PM EDT
SEPTEMBER 11 2021.....SUNRISE   6:46 AM EDT   SUNSET   7:22 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
