National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2023-05-31 05:22 UTC
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419
CDUS41 KLWX 310522
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
122 AM EDT WED MAY 31 2023
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 30 2023...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 78 3:13 PM 95 1987 78 0 90
1991
2006
MINIMUM 59 11:59 PM 38 1996 57 2 61
AVERAGE 69 68 1 76
PRECIPITATION (IN)
YESTERDAY 0.06 2.65 1960 0.15 -0.09 0.00
MONTH TO DATE 1.48 4.57 -3.09 6.85
SINCE MAR 1 6.35 11.54 -5.19 11.02
SINCE JAN 1 9.98 17.09 -7.11 17.22
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 T 4.0 -4.0 3.5
SINCE JUL 1 0.4 21.0 -20.6 15.8
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 0
MONTH TO DATE 109 114 -5 83
SINCE MAR 1 892 1081 -189 949
SINCE JUL 1 3846 4591 -745 4023
COOLING
YESTERDAY 4 4 0 11
MONTH TO DATE 29 79 -50 100
SINCE MAR 1 74 101 -27 114
SINCE JAN 1 74 101 -27 114
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 6.9
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 3:00 AM
LOWEST 45 3:00 PM
AVERAGE 68
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 94 1991
2011
2022
MINIMUM TEMPERATURE (F) 57 37 1984
SUNRISE AND SUNSET
MAY 31 2023...........SUNRISE 5:47 AM EDT SUNSET 8:29 PM EDT
JUNE 1 2023..........SUNRISE 5:46 AM EDT SUNSET 8:29 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$