233
CDUS41 KLWX 120629
CLIDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
229 AM EDT TUE MAY 12 2026
...............................
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR MAY 11 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 64 12:26 AM 94 1896 75 -11 80
1911
MINIMUM 49 11:59 PM 33 1906 57 -8 56
AVERAGE 57 66 -9 68
PRECIPITATION (IN)
YESTERDAY 0.18 2.63 2008 0.12 0.06 0.00
MONTH TO DATE 0.48 1.37 -0.89 2.21
SINCE MAR 1 3.93 8.08 -4.15 7.73
SINCE JAN 1 9.66 13.56 -3.90 12.52
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 MAR 1 1.0 2.0 -1.0 0.0
SINCE JUL 1 10.6 13.7 -3.1 14.9
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 8 2 6 0
MONTH TO DATE 50 33 17 9
SINCE MAR 1 610 813 -203 521
SINCE JUL 1 3829 3736 93 3261
COOLING
YESTERDAY 0 3 -3 3
MONTH TO DATE 16 28 -12 51
SINCE MAR 1 118 63 55 143
SINCE JAN 1 118 63 55 143
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 6.6
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 1:00 AM
LOWEST 45 4:00 AM
AVERAGE 66
......................................................
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 93 1881
1914
MINIMUM TEMPERATURE (F) 57 37 1913
SUNRISE AND SUNSET
MAY 12 2026...........SUNRISE 5:58 AM EDT SUNSET 8:11 PM EDT
MAY 13 2026...........SUNRISE 5:58 AM EDT SUNSET 8:12 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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