047
CDUS41 KLWX 220525
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
125 AM EDT MON OCT 22 2018
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 21 2018
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1960 TO 2018
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 52 235 PM 86 1979 67 -15 77
MINIMUM 34 1159 PM 22 1972 42 -8 42
AVERAGE 43 54 -11 60
PRECIPITATION (IN)
YESTERDAY T 2.45 1995 0.11 -0.11 0.00
MONTH TO DATE 1.28 2.19 -0.91 1.48
SINCE SEP 1 8.64 6.11 2.53 3.23
SINCE JAN 1 51.90 34.11 17.79 36.23
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 22 11 11 5
MONTH TO DATE 118 172 -54 85
SINCE SEP 1 131 228 -97 125
SINCE JUL 1 131 230 -99 126
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 97 16 81 64
SINCE SEP 1 338 157 181 219
SINCE JAN 1 1522 1173 349 1280
..............................................................
WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 14.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 1200 AM
LOWEST 46 400 PM
AVERAGE 63
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 85 1979
MINIMUM TEMPERATURE (F) 42 26 1974
SUNRISE AND SUNSET
OCTOBER 22 2018.......SUNRISE 726 AM EDT SUNSET 622 PM EDT
OCTOBER 23 2018.......SUNRISE 727 AM EDT SUNSET 620 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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