Ashburn, VA 20147Current Weather Conditions [Select Refresh to Update]
Updated Automatically by AmbientWeather'sVirtual Weather Station V14.00 |
Current Conditions | Almanac |
Last Updated:7:33pm on 2/11/09
Outside Temperature: 18.2 °C
Today's High: 21.3 °C at 2:42pm
Lo: 6.9 °C at 8:03am
Barometric Trend: | Sunrise :7:04am Sunset: 5:41pm
Moonrise: 8:27pm Moonset: 8:00am
Moon Phase: 17
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Parameter | Value | High | Time | Low | Time | Average | Rate | RateHi | Time | RateLo | Time |
WindDirection | SSW | 360 | 12:43pm | 5 | 11:32am | 231 | -34.5 | 3.5 | 7:33pm | -81.9 | 7:33pm |
WindSpeed | 3 | 26 | 12:38pm | 0 | 12:00am | 3 | 0.0 | 1.6 | 7:33pm | -3.2 | 7:33pm |
Gust | 5 | 26 | 12:38pm | 0 | 12:00am | 3 | 1.6 | 1.6 | 7:33pm | 0.0 | |
InHumidity | 21 | 22 | 8:03am | 20 | 10:20am | 21 | 0.0 | 0.0 | | 0.0 | |
OutHumidity | 60 | 87 | 8:14am | 42 | 2:40pm | 60 | 0.0 | 0.0 | | 0.0 | |
InTemp | 27.5 | 27.5 | 7:20pm | 22.3 | 8:03am | 27.5 | 0.00 | 0.00 | | 0.00 | |
OutTemp | 18.2 | 21.3 | 2:42pm | 6.9 | 8:03am | 18.2 | 0.00 | 0.00 | | 0.00 | |
Barometer | 990.42 | 1006.44 | 12:00am | 990.42 | 7:29pm | 990.42 | 0.000 | 0.000 | | 0.000 | |
Rain | 61.72 | 61.72 | 12:00am | 61.72 | 12:00am | 61.72 | 0.000 | 0.000 | | 0.000 | |
Ch 1Temp | 0.0 | 0.0 | 12:00am | 0.0 | 12:00am | 0.0 | 0.00 | 0.00 | | 0.00 | |
Ch 1Hum | 0 | 0 | 12:00am | 0 | 12:00am | 0 | 0.0 | 0.0 | | 0.0 | |
Ch 2Temp | 0.0 | 0.0 | 12:00am | 0.0 | 12:00am | 0.0 | 0.00 | 0.00 | | 0.00 | |
Ch 2Hum | 0 | 0 | 12:00am | 0 | 12:00am | 0 | 0.0 | 0.0 | | 0.0 | |
Ch 3Temp | 0.0 | 0.0 | 12:00am | 0.0 | 12:00am | 0.0 | 0.00 | 0.00 | | 0.00 | |
Ch 3Hum | 0 | 0 | 12:00am | 0 | 12:00am | 0 | 0.0 | 0.0 | | 0.0 | |
ET | 1.83 | 1.83 | 7:15pm | 0.00 | 12:00am | 1.83 | 0.000 | 0.000 | | 0.000 | |
UVIndex | 0.0 | 2.3 | 11:37am | 0.0 | 12:00am | 0.0 | 0.00 | 0.00 | | 0.00 | |
Solar | 0 | 580 | 11:48am | 0 | 12:00am | 0 | 0.0 | 0.0 | | 0.0 | |
WindChill | 18.2 | 21.3 | 2:42pm | 6.9 | 8:03am | 18.2 | 0.00 | 0.00 | | 0.00 | |
InHeat Index | 26.4 | 26.4 | 7:30pm | 21.6 | 8:03am | 26.4 | 0.00 | 0.00 | | 0.00 | |
HeatIndex | 19.2 | 21.4 | 2:46pm | 9.8 | 8:03am | 19.2 | 0.00 | 0.00 | | 0.00 | |
DewPoint | 10.3 | 10.3 | 7:25pm | 4.8 | 8:03am | 10.3 | 0.00 | 0.00 | | 0.00 | |
BaromSea-level | 1001.19 | 1017.38 | 12:00am | 1001.19 | 7:29pm | 1001.19 | 0.000 | 0.000 | | 0.000 | |
Parameter | MonthHigh | Date | MonthLow | Date | YearHigh | Date | YearLow | Date | YesterdayHigh | YesterdayLow | 24Hour Difference |
WindDirection | 360 | 2/2/09 | 5 | 2/2/09 | 360 | 1/1/09 | 5 | 1/1/09 | 344 | 98 | -70 |
WindSpeed | 26 | 2/2/09 | 0 | 2/1/09 | 27 | 1/5/09 | 0 | 1/1/09 | 10 | 0 | 3 |
Gust | 26 | 2/2/09 | 0 | 2/1/09 | 27 | 1/5/09 | 0 | 1/1/09 | 10 | 0 | 3 |
InHumidity | 22 | 2/11/09 | 10 | 2/5/09 | 27 | 1/5/09 | 10 | 2/5/09 | 21 | 16 | 1 |
OutHumidity | 93 | 2/3/09 | 24 | 2/6/09 | 94 | 1/7/09 | 24 | 2/6/09 | 80 | 50 | -20 |
InTemp | 27.9 | 2/8/09 | 20.1 | 2/5/09 | 27.9 | 2/8/09 | 20.1 | 2/5/09 | 26.4 | 22.1 | 1.4 |
OutTemp | 21.3 | 2/11/09 | -10.0 | 2/5/09 | 21.3 | 2/11/09 | -16.2 | 1/17/09 | 14.2 | 2.2 | 7.9 |
Barometer | 1022.38 | 2/5/09 | 990.42 | 2/11/09 | 1026.03 | 1/16/09 | 975.66 | 1/7/09 | 1015.58 | 1006.44 | -17.65 |
Rain | 61.72 | 2/3/09 | 58.17 | 2/1/09 | 61.72 | 2/3/09 | 0.00 | 1/1/09 | 61.72 | 61.72 | 0.00 |
Ch 1Temp | 0.0 | 2/1/09 | 0.0 | 2/1/09 | 0.0 | 1/1/09 | 0.0 | 1/1/09 | 0.0 | 0.0 | 0.0 |
Ch 1Hum | 0 | 2/1/09 | 0 | 2/1/09 | 0 | 1/1/09 | 0 | 1/1/09 | 0 | 0 | 0 |
Ch 2Temp | 0.0 | 2/1/09 | 0.0 | 2/1/09 | 0.0 | 1/1/09 | 0.0 | 1/1/09 | 0.0 | 0.0 | 0.0 |
Ch 2Hum | 0 | 2/1/09 | 0 | 2/1/09 | 0 | 1/1/09 | 0 | 1/1/09 | 0 | 0 | 0 |
Ch 3Temp | 0.0 | 2/1/09 | 0.0 | 2/1/09 | 0.0 | 1/1/09 | 0.0 | 1/1/09 | 0.0 | 0.0 | 0.0 |
Ch 3Hum | 0 | 2/1/09 | 0 | 2/1/09 | 0 | 1/1/09 | 0 | 1/1/09 | 0 | 0 | 0 |
ET | 2.08 | 2/8/09 | 0.00 | 2/1/09 | 2.08 | 2/8/09 | 0.00 | 1/3/09 | 1.04 | 0.00 | 0.89 |
UVIndex | 2.8 | 2/8/09 | 0.0 | 2/1/09 | 2.8 | 2/8/09 | 0.0 | 1/1/09 | 1.8 | 0.0 | 0.0 |
Solar | 666 | 2/8/09 | 0 | 2/1/09 | 680 | 1/14/09 | 0 | 1/1/09 | 459 | 0 | 0 |
WindChill | 21.3 | 2/11/09 | -17.6 | 2/5/09 | 21.3 | 2/11/09 | -20.6 | 1/16/09 | 14.2 | 2.2 | 7.9 |
InHeat Index | 26.6 | 2/8/09 | 19.1 | 2/5/09 | 26.6 | 2/8/09 | 19.1 | 2/5/09 | 25.5 | 21.2 | 1.1 |
HeatIndex | 21.4 | 2/11/09 | -9.6 | 2/5/09 | 21.4 | 2/11/09 | -14.9 | 1/17/09 | 14.8 | 4.3 | 6.6 |
DewPoint | 10.3 | 2/11/09 | -19.1 | 2/5/09 | 10.3 | 2/11/09 | -26.0 | 1/16/09 | 7.1 | -3.9 | 3.4 |
BaromSea-level | 1033.50 | 2/5/09 | 1001.19 | 2/11/09 | 1039.60 | 1/16/09 | 987.65 | 1/7/09 | 1026.63 | 1017.38 | -17.85 |
PressAltitude | 192 | Daily Rain | 0.00 | DegreeHeating | 22.3 | MonthlyDegree Day Cooling | 0.0 | HeatIndex | --- | Beaufort | Light Air |
CloudBase | 1081 | Hourly Rain | 0.00 | DegreeCooling | 0.0 | MonthlyWind Run | 359 | ComfortIndex | Comfortable | | |
AirDensity | 356 | 24HrRain | 0.00 | MoonPhase | 17 | YearlyDeg Day Heating | 1395.9 | Forecast | Increasing clouds and cooler. Precip possible within 6 hrs Windy with possible wind shift to the W NW or N | | |
VirtualTemp | 19.6 | RainRate | 0.000 | MonthlyRain | 3.56 | YearlyDegree Day Cooling | 0.0 | StationBarom Trend | Steady | | |
VaporPress | 12.49 | WindRun | 47 | MonthlyDeg Day Heating | 449.8 | YearlyWind Run | 836 | BarometerTrend | Steady | | |
Updated Automatically by Ambient Software'sVirtual Weather Station V14.00
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