659
CDUS41 KLWX 130525
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
125 AM EDT SAT MAY 13 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 12 2023
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 87 4:17 PM 90 2018 74 13 75
MINIMUM 53 5:31 AM 34 1969 52 1 53
AVERAGE 70 63 7 64
PRECIPITATION (IN)
YESTERDAY 0.00 1.37 1974 0.16 -0.16 T
MONTH TO DATE 0.66 1.75 -1.09 3.50
SINCE MAR 1 5.53 8.72 -3.19 7.67
SINCE JAN 1 9.16 14.27 -5.11 13.87
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 MAR 1 T 4.0 -4.0 3.5
SINCE JUL 1 0.4 21.0 -20.6 15.8
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 4 -4 1
MONTH TO DATE 84 61 23 74
SINCE MAR 1 867 1028 -161 940
SINCE JUL 1 3821 4538 -717 4014
COOLING
YESTERDAY 5 2 3 0
MONTH TO DATE 10 20 -10 5
SINCE MAR 1 55 42 13 19
SINCE JAN 1 55 42 13 19
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 2.8
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 5:00 AM
LOWEST 25 6:00 PM
AVERAGE 61
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 92 2000
MINIMUM TEMPERATURE (F) 52 32 1976
SUNRISE AND SUNSET
MAY 13 2023...........SUNRISE 5:59 AM EDT SUNSET 8:14 PM EDT
MAY 14 2023...........SUNRISE 5:58 AM EDT SUNSET 8:15 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page