National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2003-04-21 05:30 UTC
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415
CDUS41 KLWX 210533
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
130 AM EDT MON APR 21 2003
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR APRIL 20 2003...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2003
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 70 549 PM 88 1985 67 3 80
MINIMUM 37 546 AM 28 1974 41 -4 56
AVERAGE 54 54 0 68
PRECIPITATION (IN)
YESTERDAY 0.00 0.46 1964 0.11 -0.11 0.04
MONTH TO DATE 2.24 2.09 0.15 0.70
SINCE MAR 1 5.95 5.64 0.31 4.18
SINCE JAN 1 13.77 11.46 2.31 5.87
SNOWFALL (IN)
YESTERDAY 0.0 T 1983 0.0 0.0 0.0
MONTH TO DATE T 0.4 -0.4 0.0
SINCE MAR 1 1.9 3.8 -1.9 0.0
SINCE JUL 1 50.1 21.2 28.9 2.6
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 11 11 0 0
MONTH TO DATE 271 270 1 178
SINCE MAR 1 912 940 -28 781
SINCE JUL 1 4956 4673 283 3830
COOLING
YESTERDAY 0 1 -1 3
MONTH TO DATE 8 1 7 55
SINCE MAR 1 8 5 3 55
SINCE JAN 1 8 5 3 55
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 3.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 300 AM
LOWEST 32 100 PM
AVERAGE 66
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 89 1985
MINIMUM TEMPERATURE (F) 42 29 1983
SUNRISE AND SUNSET
APRIL 21 2003.........SUNRISE 625 AM EDT SUNSET 752 PM EDT
APRIL 22 2003.........SUNRISE 624 AM EDT SUNSET 753 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.