History for Washington, DC
Sunday, August 28, 2011 — View Current Conditions
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| Actual | Average | Record | |
|---|---|---|---|
| Temperature | |||
| Mean Temperature | 79 °F | 77 °F | |
| Max Temperature | 87 °F | 85 °F | 99 °F (1948) |
| Min Temperature | 71 °F | 68 °F | 50 °F (1874) |
| Degree Days | |||
| Heating Degree Days | 0 | 0 | |
| Month to date heating degree days | 0 | 0 | |
| Since 1 June heating degree days | 0 | 6 | |
| Since 1 July heating degree days | 0 | 0 | |
| Cooling Degree Days | 14 | 12 | |
| Month to date cooling degree days | 442 | 372 | |
| Year to date cooling degree days | 1676 | 1277 | |
| Since 1 June cooling degree days | 1476 | 1143 | |
| Growing Degree Days | 29 (Base 50) | ||
| Moisture | |||
| Dew Point | 63 °F | ||
| Average Humidity | 60 | ||
| Maximum Humidity | 84 | ||
| Minimum Humidity | 36 | ||
| Precipitation | |||
| Precipitation | 0.50 in | 0.08 in | 3.09 in (1914) |
| Month to date precipitation | 8.92 | 2.66 | |
| Year to date precipitation | 27.30 | 26.13 | |
| Snow | |||
| Snow | 0.00 in | 0.00 in | - () |
| Month to date snowfall | 0.0 | 0.0 | |
| Since 1 July snowfall | 0.0 | 0.0 | |
| Snow Depth | 0.00 in | ||
| Sea Level Pressure | |||
| Sea Level Pressure | 29.44 in | ||
| Wind | |||
| Wind Speed | 16 mph (NW) | ||
| Max Wind Speed | 47 mph | ||
| Max Gust Speed | 60 mph | ||
| Visibility | 9 miles | ||
| Events | Rain | ||
| T = Trace of Precipitation, MM = Missing Value | Source: NWS Daily Summary |
| May. 20, 2013 | Rise | Set |
|---|---|---|
| Actual Time | 6:33 AM EDT | 7:44 PM EDT |
| Civil Twilight | 6:05 AM EDT | 8:12 PM EDT |
| Nautical Twilight | 5:32 AM EDT | 8:45 PM EDT |
| Astronomical Twilight | 4:58 AM EDT | 9:19 PM EDT |
| Moon | 5:57 AM EDT (8/28) | 7:12 PM EDT (8/28) |
| Length Of Visible Light | 14h 06m | |
| Length of Day |
13h 11m
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| Waning Crescent, 0% of the Moon is Illuminated | ||||
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Aug 28
Waning Crescent
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Aug 28
New
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Sep 4
First Quarter
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Sep 12
Full
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Sep 20
Last Quarter
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| Time (EDT) | Temp. | Heat Index | Dew Point | Humidity | Pressure | Visibility | Wind Dir | Wind Speed | Gust Speed | Precip | Events | Conditions |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 12:54 AM | 73.0 °F | - | 68.0 °F | 84% | 29.15 in | 3.0 mi | North | 41.4 mph | 57.5 mph | 0.34 in | Rain | Rain |
| 1:52 AM | 72.0 °F | - | 66.9 °F | 84% | 29.12 in | 7.0 mi | NNW | 34.5 mph | 54.1 mph | N/A | Rain | Light Rain |
| 2:13 AM | 73.4 °F | - | 66.2 °F | 78% | 29.10 in | 5.0 mi | NNW | 33.4 mph | 46.0 mph | 0.00 in | Rain | Light Rain |
| 2:35 AM | 73.4 °F | - | 68.0 °F | 83% | 29.10 in | 7.0 mi | NNW | 31.1 mph | 43.7 mph | N/A | Rain | Light Rain |
| 2:52 AM | 73.0 °F | - | 68.0 °F | 84% | 29.09 in | 7.0 mi | NNW | 34.5 mph | 46.0 mph | 0.01 in | Rain | Light Rain |
| 3:52 AM | 71.6 °F | - | 66.2 °F | 83% | 29.11 in | 4.0 mi | NNW | 31.1 mph | 46.0 mph | N/A | Rain | Light Rain |
| 4:52 AM | 71.1 °F | - | 66.9 °F | 87% | 29.14 in | 5.0 mi | NNW | 28.8 mph | 47.2 mph | 0.17 in | Rain | Rain |
| 5:52 AM | 72.0 °F | - | 66.9 °F | 84% | 29.19 in | 10.0 mi | NW | 20.7 mph | 39.1 mph | 0.02 in | Rain | Light Rain |
| 6:52 AM | 73.0 °F | - | 66.0 °F | 79% | 29.24 in | 10.0 mi | NW | 19.6 mph | 32.2 mph | 0.00 in | Rain | Light Rain |
| 7:52 AM | 71.1 °F | - | 66.9 °F | 87% | 29.31 in | 10.0 mi | West | 15.0 mph | 24.2 mph | 0.04 in | Rain | Light Rain |
| 8:52 AM | 71.6 °F | - | 66.2 °F | 83% | 29.36 in | 9.0 mi | West | 17.3 mph | 27.6 mph | N/A | Rain | Light Rain |
| 9:52 AM | 75.0 °F | - | 66.0 °F | 73% | 29.41 in | 10.0 mi | West | 17.3 mph | 26.5 mph | 0.00 in | Mostly Cloudy | |
| 10:52 AM | 78.1 °F | - | 64.0 °F | 62% | 29.47 in | 10.0 mi | West | 25.3 mph | 35.7 mph | N/A | Mostly Cloudy | |
| 11:52 AM | 79.0 °F | - | 63.0 °F | 58% | 29.52 in | 10.0 mi | West | 16.1 mph | 25.3 mph | N/A | Mostly Cloudy | |
| 12:52 PM | 82.9 °F | 84.0 °F | 63.0 °F | 51% | 29.53 in | 10.0 mi | WNW | 16.1 mph | 32.2 mph | N/A | Mostly Cloudy | |
| 1:52 PM | 84.9 °F | 85.0 °F | 61.0 °F | 44% | 29.57 in | 10.0 mi | West | 15.0 mph | 29.9 mph | N/A | Scattered Clouds | |
| 2:52 PM | 86.0 °F | 85.7 °F | 60.1 °F | 41% | 29.59 in | 10.0 mi | West | 17.3 mph | 29.9 mph | N/A | Scattered Clouds | |
| 3:52 PM | 86.0 °F | 85.7 °F | 60.1 °F | 41% | 29.61 in | 10.0 mi | WNW | 15.0 mph | 26.5 mph | N/A | Scattered Clouds | |
| 4:52 PM | 87.1 °F | 86.1 °F | 57.9 °F | 37% | 29.63 in | 10.0 mi | WNW | 16.1 mph | 23.0 mph | N/A | Scattered Clouds | |
| 5:52 PM | 84.9 °F | 83.9 °F | 57.0 °F | 38% | 29.65 in | 10.0 mi | NW | 12.7 mph | 18.4 mph | N/A | Partly Cloudy | |
| 6:52 PM | 82.9 °F | 82.6 °F | 57.9 °F | 42% | 29.67 in | 10.0 mi | NW | 9.2 mph | - | N/A | Partly Cloudy | |
| 7:52 PM | 80.1 °F | 80.7 °F | 59.0 °F | 48% | 29.70 in | 10.0 mi | North | 4.6 mph | - | N/A | Partly Cloudy | |
| 8:52 PM | 80.1 °F | 80.6 °F | 57.9 °F | 47% | 29.74 in | 10.0 mi | NW | 4.6 mph | - | N/A | Partly Cloudy | |
| 9:52 PM | 75.0 °F | - | 61.0 °F | 62% | 29.76 in | 10.0 mi | North | 5.8 mph | - | N/A | Partly Cloudy | |
| 10:52 PM | 73.9 °F | - | 63.0 °F | 68% | 29.78 in | 10.0 mi | North | 4.6 mph | - | N/A | Scattered Clouds | |
| 11:52 PM | 72.0 °F | - | 63.0 °F | 73% | 29.79 in | 10.0 mi | NNW | 4.6 mph | - | N/A | Scattered Clouds | |
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