National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-04-17 05:36 UTC
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374
CDUS41 KLWX 170536
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
136 AM EDT MON APR 17 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 16 2017...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1962 TO 2017
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 86 238 PM 91 2002 67 19 71
MINIMUM 63 627 AM 28 1981 42 21 34
AVERAGE 75 55 20 53
PRECIPITATION (IN)
YESTERDAY T 2.43 1993 0.11 -0.11 0.00
MONTH TO DATE 1.64 1.88 -0.24 1.19
SINCE MAR 1 5.76 5.26 0.50 2.64
SINCE JAN 1 9.20 10.68 -1.48 10.90
SNOWFALL (IN)
YESTERDAY 0.0 T 1988 0.1 -0.1
MONTH TO DATE T 0.3 -0.3
SINCE JUL 1 7.3 22.0 -14.7
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 11 -11 12
MONTH TO DATE 123 212 -89 257
SINCE MAR 1 763 859 -96 703
SINCE JUL 1 3656 4449 -793 3794
COOLING
YESTERDAY 10 1 9 0
MONTH TO DATE 23 4 19 8
SINCE MAR 1 25 7 18 13
SINCE JAN 1 25 7 18 13
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 9.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 1200 AM
LOWEST 31 200 PM
AVERAGE 55
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 93 2002
MINIMUM TEMPERATURE (F) 43 27 1983
SUNRISE AND SUNSET
APRIL 17 2017.........SUNRISE 630 AM EDT SUNSET 749 PM EDT
APRIL 18 2017.........SUNRISE 629 AM EDT SUNSET 750 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$