366
CDUS41 KLWX 150625
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
225 AM EDT MON SEP 15 2025
...............................
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 14 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 85 3:14 PM 95 2016 81 4 86
MINIMUM 65 6:11 AM 46 1911 65 0 65
AVERAGE 75 73 2 76
PRECIPITATION (IN)
YESTERDAY 0.00 4.07 1966 0.14 -0.14 0.00
MONTH TO DATE 2.50 1.81 0.69 0.02
SINCE SEP 1 2.50 1.81 0.69 0.02
SINCE JAN 1 29.76 29.72 0.04 29.11
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 10 8 2 11
MONTH TO DATE 99 144 -45 103
SINCE SEP 1 99 144 -45 103
SINCE JAN 1 1564 1596 -32 1818
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 3.6
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 3:00 AM
LOWEST 41 1:00 PM
AVERAGE 63
......................................................
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 97 1927
1930
MINIMUM TEMPERATURE (F) 65 43 1899
1902
SUNRISE AND SUNSET
SEPTEMBER 15 2025.....SUNRISE 6:50 AM EDT SUNSET 7:16 PM EDT
SEPTEMBER 16 2025.....SUNRISE 6:51 AM EDT SUNSET 7:14 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page