474 CDUS41 KLWX 080523 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 123 AM EDT THU JUN 8 2017 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 7 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 69 1242 PM 96 1999 81 -12 85 MINIMUM 53 1159 PM 45 1977 59 -6 63 AVERAGE 61 70 -9 74 PRECIPITATION (IN) YESTERDAY 0.00 1.88 1989 0.14 -0.14 T MONTH TO DATE 0.18 0.98 -0.80 1.04 SINCE JUN 1 0.18 0.98 -0.80 1.04 SINCE JAN 1 19.27 17.80 1.47 18.71 SNOWFALL (IN) YESTERDAY 0.0 MM MM 0.0 0.0 MONTH TO DATE 0.0 0.0 0.0 SINCE JUL 1 7.3 22.0 -14.7 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 4 1 3 0 MONTH TO DATE 4 9 -5 0 SINCE JUN 1 4 9 -5 0 SINCE JUL 1 3856 4711 -855 4036 COOLING YESTERDAY 0 6 -6 9 MONTH TO DATE 22 38 -16 70 SINCE JUN 1 22 38 -16 70 SINCE JAN 1 159 130 29 168 .................................................................. WIND (MPH) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NE (60) HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NE (40) AVERAGE WIND SPEED 5.6 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 93 500 AM LOWEST 63 1200 PM AVERAGE 78 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 82 97 2007 MINIMUM TEMPERATURE (F) 59 36 1977 SUNRISE AND SUNSET JUNE 8 2017..........SUNRISE 544 AM EDT SUNSET 834 PM EDT JUNE 9 2017..........SUNRISE 544 AM EDT SUNSET 834 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$