National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2022-04-29 05:22 UTC
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684
CDUS41 KLWX 290522
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
122 AM EDT FRI APR 29 2022
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 28 2022...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2022
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 60 4:59 PM 88 1981 71 -11 88
1983
1990
MINIMUM 37 6:23 AM 32 1972 48 -11 57
1993
AVERAGE 49 59 -10 73
PRECIPITATION (IN)
YESTERDAY 0.00 1.68 2002 0.13 -0.13 0.00
MONTH TO DATE 2.25 3.21 -0.96 2.22
SINCE MAR 1 4.17 6.71 -2.54 4.49
SINCE JAN 1 10.37 12.26 -1.89 10.65
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2001 0.0 0.0 0.0
2002
MONTH TO DATE T 0.1 -0.1 T
SINCE MAR 1 3.5 4.0 -0.5 T
SINCE JUL 1 15.8 21.0 -5.2 12.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 16 7 9 0
MONTH TO DATE 316 307 9 296
SINCE MAR 1 839 954 -115 811
SINCE JUL 1 3913 4464 -551 4004
COOLING
YESTERDAY 0 1 -1 8
MONTH TO DATE 11 17 -6 13
SINCE MAR 1 14 19 -5 17
SINCE JAN 1 14 19 -5 17
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 13.4
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 53 2:00 AM
LOWEST 19 5:00 PM
AVERAGE 36
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 89 2017
MINIMUM TEMPERATURE (F) 48 32 1987
SUNRISE AND SUNSET
APRIL 29 2022.........SUNRISE 6:14 AM EDT SUNSET 8:01 PM EDT
APRIL 30 2022.........SUNRISE 6:13 AM EDT SUNSET 8:02 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$