Climatological Report (Daily)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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CDUS41 KLWX 202128
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
528 PM EDT SAT JUL 20 2024
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 20 2024...
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2024
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 83 11:52 AM 101 1980 88 -5 90
MINIMUM 71 5:27 AM 55 1974 67 4 68
AVERAGE 77 78 -1 79
PRECIPITATION (IN)
TODAY 0.02 2.28 1970 0.14 -0.12 0.00
MONTH TO DATE 2.12 2.74 -0.62 4.40
SINCE JUN 1 2.81 7.04 -4.23 6.70
SINCE JAN 1 20.11 24.28 -4.17 16.68
SNOWFALL (IN)
TODAY 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
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 13 -13 5
SINCE JUL 1 0 0 0 0
COOLING
TODAY 12 12 0 14
MONTH TO DATE 341 238 103 311
SINCE JUN 1 695 476 219 493
SINCE JAN 1 878 582 296 567
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SE (130)
AVERAGE WIND SPEED 6.3
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 91 7:00 AM
LOWEST 61 12:00 PM
AVERAGE 76
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 101 1991
MINIMUM TEMPERATURE (F) 67 48 1966
SUNRISE AND SUNSET
JULY 20 2024..........SUNRISE 6:01 AM EDT SUNSET 8:31 PM EDT
JULY 21 2024..........SUNRISE 6:02 AM EDT SUNSET 8:30 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$