164
CDUS41 KLWX 190525
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1225 AM EST FRI JAN 19 2024
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 18 2024
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2024
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 35 1:39 PM 70 1990 42 -7 58
MINIMUM 11 7:02 AM -1 1994 25 -14 40
AVERAGE 23 34 -11 49
PRECIPITATION (IN)
YESTERDAY 0.00 1.18 1980 0.09 -0.09 T
MONTH TO DATE 3.96 1.70 2.26 0.46
SINCE DEC 1 9.71 5.00 4.71 5.41
SINCE JAN 1 3.96 1.70 2.26 0.46
SNOWFALL (IN)
YESTERDAY 0.0 4.2 1984 0.2 -0.2 0.0
MONTH TO DATE 4.4 3.4 1.0 0.0
SINCE DEC 1 4.9 6.2 -1.3 T
SINCE JUL 1 4.9 6.5 -1.6 T
SNOW DEPTH 2
DEGREE DAYS
HEATING
YESTERDAY 42 31 11 16
MONTH TO DATE 527 554 -27 385
SINCE DEC 1 1202 1399 -197 1247
SINCE JUL 1 1973 2299 -326 2081
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 0 0 0 0
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WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 1.3
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 7:00 AM
LOWEST 40 3:00 PM
AVERAGE 60
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 42 65 1972
MINIMUM TEMPERATURE (F) 25 -6 1994
SUNRISE AND SUNSET
JANUARY 19 2024.......SUNRISE 7:25 AM EST SUNSET 5:16 PM EST
JANUARY 20 2024.......SUNRISE 7:25 AM EST SUNSET 5:17 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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