National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2022-06-01 05:23 UTC
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801
CDUS41 KLWX 010523
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
123 AM EDT WED JUN 01 2022
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 31 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 94R 4:24 PM 94 1991 79 15 74
2011
MINIMUM 65 5:20 AM 37 1984 57 8 45
AVERAGE 80 68 12 60
PRECIPITATION (IN)
YESTERDAY 0.00 2.35 2018 0.15 -0.15 0.00
MONTH TO DATE 6.85 4.72 2.13 2.87
SINCE MAR 1 11.02 11.69 -0.67 7.42
SINCE JAN 1 17.22 17.24 -0.02 13.58
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
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 0 2 -2 5
MONTH TO DATE 83 116 -33 144
SINCE MAR 1 949 1083 -134 959
SINCE JUL 1 4023 4593 -570 4152
COOLING
YESTERDAY 15 5 10 0
MONTH TO DATE 115 84 31 83
SINCE MAR 1 129 106 23 109
SINCE JAN 1 129 106 23 109
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 3.4
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 5:00 AM
LOWEST 36 4:00 PM
AVERAGE 65
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 95 2011
MINIMUM TEMPERATURE (F) 58 39 1984
SUNRISE AND SUNSET
JUNE 1 2022..........SUNRISE 5:46 AM EDT SUNSET 8:29 PM EDT
JUNE 2 2022..........SUNRISE 5:46 AM EDT SUNSET 8:30 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$