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Dayton, Maryland Weather Lat 39.34°N,Long 76.99°W, Elev 585ft(178m) Check out http://mobile.rimpo.org - weather, news, etc. for small screen devices |
National Weather Service Forecasts for Central Maryland
National Weather Service Warnings for Central Maryland
Latest Weather Update at 11:14pm(EDT) on 9/8/10
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Temperature (Comfortable) |
| Current:
68°F Rate of Change: -1.7°F/hr. High: 89°F at 2:22pm Low: 68°F at 11:12pm Monthly High: 92°F on 9/1/10 Monthly Low: 57°F on 9/5/10 Yearly High: 105°F on 7/6/10 Yearly Low: 10°F on 1/31/10 |
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| Avg High @ BWI:
81°F Avg Low @ BWI: 59°F Record Hi @ BWI: 100°F in 1939 Record Lo @ BWI: 46°F in 1962 |
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Humidity & Related |
| Relative Humidity: 57% High: 84% at 7:57am Low: 19% at 4:25pm |
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| Dew Point: 53°F | |
| Heat Index: 70°F High: 86°F at 10:54am Monthly High: 100°F on 9/1/10 Yearly High: 110°F on 7/24/10 |
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Wind & Related (Calm) |
| Current: North North East at
4mph High: 32mph at 3:30pm Monthly High: 32mph on 9/8/10 Yearly High: 48mph on 1/25/10 |
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| Wind Chill: 68°F Low: 68°F at 11:12pm Monthly Low: 57°F on 9/5/10 Yearly Low: -2°F on 1/2/10 |
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| Wind Run Today: 8 miles Wind Run Month: 24 miles Wind Run Year: 5937 miles |
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Barometric Pressure (Rising) |
| Current: 29.91in-hg Rate of Change: 0.021 in-hg/hr High: 30.00in-hg at 12:09am Low: 29.78in-hg at 4:55pm |
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| Yearly High: 30.60in-hg on 4/14/10 Yearly Low: 29.20in-hg on 1/25/10 |
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Precipitation |
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Today: 0.00in Hi Rain Rate: 0.000in/hr at 12:00am Current Hour: 0.00in Last 24 Hours: 0.00in This Month: 0.00in Year-to-Date: 24.27in |
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| Official MTD Rainfall @
BWI:
0.00in Official YTD Rainfall @ BWI: 28.26in |
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UV Index |
| Current: 0.0 Today's High: 4.7 at 12:34pm Monthly High: 5.6 on 9/1/10 Yearly High: 9.0 on 6/13/10 |
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Solar Radiation |
| Current: 0 W/m2 Today's High: 826 W/m2 at 12:57pm Monthly High: 977W/m2 on 9/4/10 Yearly High: 1191W/m2 on 6/3/10 |
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Evapotranspiration |
| Today: 0.15in Monthly High: 0.15in on 9/8/10 Yearly High: 0.21in on 7/4/10 |
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Degree Days |
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Cooling Degrees Days Today: 12.5 Month: 74.9 Year: 1452.7 |
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Heating Degree Days Today: 0.0 Month: 6.5 Year: 2858.7 |
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| Beyond the Stratosphere | |
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Click monitors, below, for more information X-ray Status↓ Geomagnetic Status ↑ |
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| Weather information is provided without warranty of any kind as to accuracy or timeliness. |