901 CDUS41 KLWX 170723 CLIDCA CLIMATE REPORT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 223 AM EST WED DEC 17 2025 ................................... ...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 16 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1871 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 40 3:57 PM 74 1971 49 -9 48 MINIMUM 22 7:11 AM 10 1917 34 -12 41 AVERAGE 31 42 -11 45 PRECIPITATION (IN) YESTERDAY 0.00 1.19 1902 0.11 -0.11 0.42 MONTH TO DATE 1.20 1.85 -0.65 1.68 SINCE DEC 1 1.20 1.85 -0.65 1.68 SINCE JAN 1 34.99 40.26 -5.27 36.37 SNOWFALL (IN) YESTERDAY 0.0 6.0 1973 0.0 0.0 0.0 MONTH TO DATE 1.5 0.7 0.8 T SINCE DEC 1 1.5 0.7 0.8 T SINCE JUL 1 1.5 0.8 0.7 T SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 34 24 10 20 MONTH TO DATE 462 348 114 383 SINCE DEC 1 462 348 114 383 SINCE JUL 1 1037 994 43 806 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 1716 1737 -21 2029 ................................................................... WIND (MPH) HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (200) HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (200) AVERAGE WIND SPEED 3.4 SKY COVER AVERAGE SKY COVER 0.4 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 71 7:00 AM LOWEST 33 2:00 PM AVERAGE 52 .......................................................... THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 48 65 2021 2024 MINIMUM TEMPERATURE (F) 34 10 1876 SUNRISE AND SUNSET DECEMBER 17 2025......SUNRISE 7:21 AM EST SUNSET 4:48 PM EST DECEMBER 18 2025......SUNRISE 7:21 AM EST SUNSET 4:48 PM EST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$