National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-04-13 05:28 UTC
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055
CDUS41 KLWX 130528
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
128 AM EDT THU APR 13 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 12 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 77 507 PM 87 1977 66 11 67
MINIMUM 59 524 AM 23 1982 41 18 46
AVERAGE 68 53 15 57
PRECIPITATION (IN)
YESTERDAY 0.01 1.45 2004 0.11 -0.10 0.01
MONTH TO DATE 1.64 1.44 0.20 1.19
SINCE MAR 1 5.76 4.82 0.94 2.64
SINCE JAN 1 9.20 10.24 -1.04 10.90
SNOWFALL (IN)
YESTERDAY 0.0 1.0 1973 0.0 0.0
MONTH TO DATE T 0.2 -0.2
SINCE JUL 1 7.3 21.9 -14.6
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 12 -12 8
MONTH TO DATE 109 166 -57 194
SINCE MAR 1 749 813 -64 640
SINCE JUL 1 3642 4403 -761 3731
COOLING
YESTERDAY 3 0 3 0
MONTH TO DATE 13 0 13 8
SINCE MAR 1 15 3 12 13
SINCE JAN 1 15 3 12 13
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 7.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 72 300 AM
LOWEST 20 700 PM
AVERAGE 46
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 87 1977
MINIMUM TEMPERATURE (F) 41 24 1990
SUNRISE AND SUNSET
APRIL 13 2017.........SUNRISE 636 AM EDT SUNSET 745 PM EDT
APRIL 14 2017.........SUNRISE 634 AM EDT SUNSET 746 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$