Location: ANNANDALE BARCROFT HILLS WEATHER CENTER, USA
Latitude North 38º 50'26 " Longitude: West 77º 09'55''
Davis Vantage Pro Data    Elevation: 360 feet
Virtual Weather Station Software V13.01

Last Updated: 17:45 on 5/12/08
Select Refresh to Update

CURRENT CONDITIONS

Barometric Trend: Rising 0.044
Barometer R: 29.79 Inches
Precip.Today: 2.26 Inches
Relative Humidity: 93%
Dew Point: 46.9°F
Heat Index: 54.9°F

TEMPERATURE DATA

Parameter


High
Time
Low
Time

Temp °F

49.9 0:00 43.8 4:30

1 Hr. Temp. Rate

1.54 12:30 -1.61 1:48

Dew Point

49.1 0:00 42.5 5:13

Heat Index

56.6 0:00 50.3 5:13

Wind Chill Index

49.9 0:00 35.8 4:47

Parameter


Day
Month
Year

Deg. Day Heating

13.6 72.3 2604.6

Deg. Day Cooling

0.0 37.7 104.5

PRECIPITATION DATA

Parameter


Hourly
Today
Monthly
Yearly

Amount

0.01 2.26 6.73 21.86

Parameter


Max.Inches/Hr.
Time of Max. Rate
Current Rate Inches/Hr.

1 Hr. Precip.Rate

0.698 6:53 0.000

WIND DATA

Parameter


High
Time
Low
Time

Wind Direction

360 0:06 5 0:20

Wind Speed

22 0:59 0 0:03

Gust MPH

22 0:59 0 16:33

Parameter


Day
Month
Year

Wind Run

53.7 348.9 6832.9

RELATIVE HUMIDITY DATA

Parameter

High Time Low Time

Relative Humidity

100 10:19 93 15:30

BAROMETER DATA

Parameter


High
Time
Low
Time

Barometer

29.79 17:44 29.30 2:59

Parameter


Max.Rate
Time
Time
Time

Barometer Change Rate

0.051 11:29 -0.037 0:44

Solar Radiation Observations

Parameter

current Time Daily High Time

Solar Radiation

56 17:45 144 12:10

Hourly Solar Rad. Change

-9 17:45 82 12:10
Other Current Conditions Links
Annandale Obs. Precip. Obs.
Temperature Obs.
Barometer Obs.
Wind Obs.
Rel. Humidity Obs.
Solar Radiation
Current Virginia Obs.
Surface Wetness
Snowfall Obs.