National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2020-12-15 05:21 UTC
Bulk Download
Bulk Download
Bulk Download Help
This bulk download tool provides the NWS text
in a raw form, hopefully directly usable by your processing system.
You can either provide a complete 6-character PIL/AFOS ID or provide
the 3-character base ID (e.g., AFD). The start and end
dates represent 00 UTC for those dates. The Zip format is useful as
the filenames will have the product timestamp, which is useful for
when the product format has ambiguous timestamps.
503
CDUS41 KLWX 150521
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1221 AM EST TUE DEC 15 2020
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR DECEMBER 14 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 44 4:59 AM 69 2015 46 -2 49
MINIMUM 34 11:49 PM 3 1989 27 7 38
AVERAGE 39 37 2 44
PRECIPITATION (IN)
YESTERDAY 1.24R 0.96 1999 0.10 1.14 0.32
MONTH TO DATE 2.23 1.49 0.74 1.81
SINCE DEC 1 2.23 1.49 0.74 1.81
SINCE JAN 1 45.88 40.07 5.81 39.65
SNOWFALL (IN)
YESTERDAY 0.0 3.6 2003 0.2 -0.2 0.0
MONTH TO DATE T 1.4 -1.4 0.2
SINCE DEC 1 T 1.4 -1.4 0.2
SINCE JUL 1 T 1.9 -1.9 0.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 26 28 -2 21
MONTH TO DATE 322 368 -46 364
SINCE DEC 1 322 368 -46 364
SINCE JUL 1 989 1284 -295 1227
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1406 1178 228 1524
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 9.0
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 8:00 AM
LOWEST 56 11:00 PM
AVERAGE 75
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 46 71 1971
MINIMUM TEMPERATURE (F) 27 5 1989
SUNRISE AND SUNSET
DECEMBER 15 2020......SUNRISE 7:22 AM EST SUNSET 4:49 PM EST
DECEMBER 16 2020......SUNRISE 7:22 AM EST SUNSET 4:49 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$