Climatological Report (Daily)
Issued by NWS Sterling, VA

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148
CDUS41 KLWX 100549
CLIDCA

CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
149 AM EDT FRI MAY 10 2024

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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR MAY 9 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         75   3:35 PM  96    1963  75      0       69
  MINIMUM         60  11:59 PM  34    1947  56      4       56
  AVERAGE         68                        65      3       63

PRECIPITATION (IN)
  YESTERDAY        0.22          2.22 2008   0.12   0.10     0.10
  MONTH TO DATE    1.65                      1.12   0.53     0.13
  SINCE MAR 1      8.60                      7.83   0.77     5.28
  SINCE JAN 1     15.89                     13.31   2.58     9.01

SNOWFALL (IN)
  YESTERDAY        0.0           T    1923   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE MAR 1      T                         2.0   -2.0       T
  SINCE JUL 1      8.0                      13.7   -5.7      0.4
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         3     -3        2
  MONTH TO DATE   11                        29    -18       52
  SINCE MAR 1    585                       809   -224      685
  SINCE JUL 1   3137                      3732   -595     3183

 COOLING
  YESTERDAY        3                         3      0        0
  MONTH TO DATE   55                        22     33        7
  SINCE MAR 1    103                        57     46       74
  SINCE JAN 1    104                        57     47       74
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED     7.2


SKY COVER
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           1:00 AM
 LOWEST     50          10:00 AM
 AVERAGE    69

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   75        95      1963
 MINIMUM TEMPERATURE (F)   56        35      1947


SUNRISE AND SUNSET
MAY 10 2024...........SUNRISE   6:00 AM EDT   SUNSET   8:10 PM EDT
MAY 11 2024...........SUNRISE   5:59 AM EDT   SUNSET   8:11 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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