553 CDUS41 KLWX 080525 CLIIAD CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1225 AM EST SUN JAN 08 2023 ................................... ...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 7 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 50 2:29 PM 71 2008 43 7 35 MINIMUM 28 11:59 PM -1 2018 26 2 22 AVERAGE 39 34 5 29 PRECIPITATION (IN) YESTERDAY 0.00 1.56 1996 0.09 -0.09 0.26 MONTH TO DATE T 0.65 -0.65 1.71 SINCE DEC 1 4.95 3.95 1.00 2.17 SINCE JAN 1 T 0.65 -0.65 1.71 SNOWFALL (IN) YESTERDAY 0.0 19.8 1996 0.2 -0.2 4.0 MONTH TO DATE 0.0 1.0 -1.0 7.9 SINCE DEC 1 T 3.8 -3.8 7.9 SINCE JUL 1 T 4.1 -4.1 7.9 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 26 31 -5 36 MONTH TO DATE 93 213 -120 191 SINCE DEC 1 955 1058 -103 806 SINCE JUL 1 1789 1958 -169 1532 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 ................................................................... WIND (MPH) HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (330) HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION N (340) AVERAGE WIND SPEED 6.4 SKY COVER AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 79 6:00 AM LOWEST 35 4:00 PM AVERAGE 57 .......................................................... THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 43 70 2008 MINIMUM TEMPERATURE (F) 26 -4 1970 SUNRISE AND SUNSET JANUARY 8 2023.......SUNRISE 7:29 AM EST SUNSET 5:04 PM EST JANUARY 9 2023.......SUNRISE 7:29 AM EST SUNSET 5:05 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$