799 CDUS41 KLWX 230526 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 125 AM EDT SUN JUL 23 2017 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 22 2017... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1960 TO 2017 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 90 100 PM 105 2011 88 2 94 MINIMUM 72 808 PM 50 1974 66 6 67 AVERAGE 81 77 4 81 PRECIPITATION (IN) YESTERDAY 0.72 2.25 1969 0.12 0.60 0.00 MONTH TO DATE 6.27 2.58 3.69 1.31 SINCE JUN 1 7.55 6.56 0.99 7.66 SINCE JAN 1 26.64 23.38 3.26 25.33 SNOWFALL (IN) YESTERDAY 0.0 MM MM 0.0 0.0 MONTH TO DATE T 0.0 0.0 SINCE JUL 1 T 0.0 0.0 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE JUN 1 6 15 -9 3 SINCE JUL 1 0 0 0 0 COOLING YESTERDAY 16 12 4 16 MONTH TO DATE 317 259 58 292 SINCE JUN 1 573 496 77 545 SINCE JAN 1 710 588 122 643 .................................................................. WIND (MPH) HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION NW (310) HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION NW (310) AVERAGE WIND SPEED 4.4 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM HEAVY RAIN RAIN LIGHT RAIN FOG RELATIVE HUMIDITY (PERCENT) HIGHEST 93 800 PM LOWEST 56 1200 PM AVERAGE 75 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 88 99 2011 1991 MINIMUM TEMPERATURE (F) 66 50 1983 1977 SUNRISE AND SUNSET JULY 23 2017..........SUNRISE 603 AM EDT SUNSET 829 PM EDT JULY 24 2017..........SUNRISE 604 AM EDT SUNSET 828 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$