Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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CDUS41 KLWX 010628
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
228 AM EDT TUE SEP 01 2026
...................................
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR AUGUST 31 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 87 3:34 PM 100 1932 86 1 81
1953
MINIMUM 73 6:10 AM 49 1934 69 4 58
AVERAGE 80 77 3 70
PRECIPITATION (IN)
YESTERDAY T 1.98 1940 0.10 -0.10 0.00
MONTH TO DATE 4.27 3.25 1.02 0.20
SINCE JUN 1 9.53 11.78 -2.25 9.22
SINCE JAN 1 21.56 27.91 -6.35 27.26
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 JUN 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 JUN 1 0 4 -4 8
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 15 12 3 5
MONTH TO DATE 473 446 27 342
SINCE JUN 1 1385 1285 100 1264
SINCE JAN 1 1609 1452 157 1465
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 4.5
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94 12:00 AM
LOWEST 57 2:00 PM
AVERAGE 76
..........................................................
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 99 1953
1980
MINIMUM TEMPERATURE (F) 69 50 1890
SUNRISE AND SUNSET
SEPTEMBER 1 2026.....SUNRISE 6:37 AM EDT SUNSET 7:38 PM EDT
SEPTEMBER 2 2026.....SUNRISE 6:38 AM EDT SUNSET 7:37 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$