Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 290523
CLIIAD

CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
123 AM EDT THU SEP 29 2022

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 28 2022...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2022


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         70   3:46 PM  86    1998  75     -5       80
                                      2019
  MINIMUM         41   3:44 AM  34    1989  53    -12       57
  AVERAGE         56                        64     -8       69

PRECIPITATION (IN)
  YESTERDAY        0.00          1.61 2004   0.14  -0.14      T
  MONTH TO DATE    2.81                      3.65  -0.84     4.72
  SINCE SEP 1      2.81                      3.65  -0.84     4.72
  SINCE JAN 1     30.31                     32.87  -2.56    29.31

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        9                         4      5        0
  MONTH TO DATE   26                        35     -9        9
  SINCE SEP 1     26                        35     -9        9
  SINCE JUL 1     26                        36    -10        9

 COOLING
  YESTERDAY        0                         2     -2        4
  MONTH TO DATE  176                       147     29      171
  SINCE SEP 1    176                       147     29      171
  SINCE JAN 1   1354                      1203    151     1423
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     N (340)
  AVERAGE WIND SPEED     8.0


SKY COVER
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    82           4:00 AM
 LOWEST     45           4:00 PM
 AVERAGE    64

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   74        89      2019
 MINIMUM TEMPERATURE (F)   52        34      1978


SUNRISE AND SUNSET
SEPTEMBER 29 2022.....SUNRISE   7:04 AM EDT   SUNSET   6:56 PM EDT
SEPTEMBER 30 2022.....SUNRISE   7:05 AM EDT   SUNSET   6:54 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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