National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2020-03-18 05:34 UTC
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525
CDUS41 KLWX 180534
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
134 AM EDT WED MAR 18 2020
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 17 2020...
CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1960 TO 2020
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 64 3:22 PM 77 1963 56 8 52
MINIMUM 43 8:03 AM 16 1970 33 10 28
AVERAGE 54 44 10 40
PRECIPITATION (IN)
YESTERDAY T 1.14 1993 0.11 -0.11 0.00
MONTH TO DATE 0.58 1.70 -1.12 1.80
SINCE MAR 1 0.58 1.70 -1.12 1.80
SINCE JAN 1 7.15 7.12 0.03 9.26
SNOWFALL (IN)
YESTERDAY 0.0 4.5 2014 0.1 -0.1 0.0
MONTH TO DATE T 2.0 -2.0 1.6
SINCE MAR 1 T 2.0 -2.0 1.6
SINCE JUL 1 2.9 20.9 -18.0 26.5
DEGREE DAYS
HEATING
YESTERDAY 11 21 -10 25
MONTH TO DATE 271 395 -124 411
SINCE MAR 1 271 395 -124 411
SINCE JUL 1 3415 3985 -570 3916
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 7.1
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 6:00 AM
LOWEST 50 4:00 PM
AVERAGE 68
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 80 1989
MINIMUM TEMPERATURE (F) 33 13 1976
SUNRISE AND SUNSET
MARCH 18 2020.........SUNRISE 7:16 AM EDT SUNSET 7:20 PM EDT
MARCH 19 2020.........SUNRISE 7:14 AM EDT SUNSET 7:21 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$