Climatological Report (Daily)
Issued by NWS Sterling, VA

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793
CDUS41 KLWX 202123
CLIDCA

CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
523 PM EDT FRI SEP 20 2024

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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 20 2024...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2024


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         86   2:58 PM  94    1895  79      7       81
  MINIMUM         65   6:21 AM  41    1916  63      2       58
  AVERAGE         76                        71      5       70

PRECIPITATION (IN)
  TODAY            0.00          1.43 1938   0.13  -0.13     0.00
  MONTH TO DATE    0.45                      2.65  -2.20     1.34
  SINCE SEP 1      0.45                      2.65  -2.20     1.34
  SINCE JAN 1     29.54                     30.56  -1.02    23.83

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                         1     -1        0
  MONTH TO DATE    0                         1     -1        0
  SINCE SEP 1      0                         1     -1        0
  SINCE JUL 1      0                         1     -1        0

 COOLING
  TODAY           11                         6      5        5
  MONTH TO DATE  161                       188    -27      250
  SINCE SEP 1    161                       188    -27      250
  SINCE JAN 1   1876                      1640    236     1587
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION     E (100)
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION     E (110)
  AVERAGE WIND SPEED     4.9


SKY COVER
  AVERAGE SKY COVER 0.4


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    84           3:00 AM
 LOWEST     42           3:00 PM
 AVERAGE    63

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   79        96      1895
 MINIMUM TEMPERATURE (F)   62        41      1956


SUNRISE AND SUNSET
SEPTEMBER 20 2024.....SUNRISE   6:54 AM EDT   SUNSET   7:07 PM EDT
SEPTEMBER 21 2024.....SUNRISE   6:55 AM EDT   SUNSET   7:06 PM EDT


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




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