CDUS41 KLWX 090523 CLIDCA CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1223 AM EST THU DEC 09 2021 ................................... ...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 8 2021... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1871 TO 2021 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 45 3:45 PM 74 1978 51 -6 47 MINIMUM 37 11:59 PM 8 1882 36 1 33 AVERAGE 41 43 -2 40 PRECIPITATION (IN) YESTERDAY T 1.35 1972 0.12 -0.12 0.00 MONTH TO DATE T 0.92 -0.92 1.26 SINCE DEC 1 T 0.92 -0.92 1.26 SINCE JAN 1 43.46 39.33 4.13 53.64 SNOWFALL (IN) YESTERDAY 0.0 3.6 1989 0.0 0.0 0.0 MONTH TO DATE 0.0 0.3 -0.3 0.0 SINCE DEC 1 0.0 0.3 -0.3 0.0 SINCE JUL 1 0.0 0.4 -0.4 0.0 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 24 22 2 25 MONTH TO DATE 133 166 -33 175 SINCE DEC 1 133 166 -33 175 SINCE JUL 1 691 812 -121 640 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 1875 1737 138 1760 ................................................................... WIND (MPH) HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (300) HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (320) AVERAGE WIND SPEED 6.6 SKY COVER AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 59 10:00 AM LOWEST 48 12:00 AM AVERAGE 54 .......................................................... THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 50 71 1991 MINIMUM TEMPERATURE (F) 36 4 1876 SUNRISE AND SUNSET DECEMBER 9 2021......SUNRISE 7:15 AM EST SUNSET 4:46 PM EST DECEMBER 10 2021......SUNRISE 7:16 AM EST SUNSET 4:46 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$