Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 180526
CLIDCA

CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
126 AM EDT WED SEP 18 2024

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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 17 2024...

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)
 YESTERDAY
  MAXIMUM         81  10:57 AM  96    1991  80      1       77
  MINIMUM         69   2:22 AM  44    1923  64      5       62
  AVERAGE         75                        72      3       70

PRECIPITATION (IN)
  YESTERDAY        0.10          3.26 1876   0.14  -0.04     0.03
  MONTH TO DATE    0.12                      2.24  -2.12     1.33
  SINCE SEP 1      0.12                      2.24  -2.12     1.33
  SINCE JAN 1     29.21                     30.15  -0.94    23.82

SNOWFALL (IN)
  YESTERDAY        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
  YESTERDAY        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
  YESTERDAY       10                         8      2        5
  MONTH TO DATE  128                       168    -40      232
  SINCE SEP 1    128                       168    -40      232
  SINCE JAN 1   1843                      1620    223     1569
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION    NE (50)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    NE (50)
  AVERAGE WIND SPEED    11.8


SKY COVER
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           5:00 PM
 LOWEST     62          12:00 PM
 AVERAGE    75

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   80        91      1898
                                             1921
                                             1927
 MINIMUM TEMPERATURE (F)   63        45      1937


SUNRISE AND SUNSET
SEPTEMBER 18 2024.....SUNRISE   6:53 AM EDT   SUNSET   7:11 PM EDT
SEPTEMBER 19 2024.....SUNRISE   6:54 AM EDT   SUNSET   7:09 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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