History for Boston, MA
Saturday, May 5, 2012 — View Current Conditions
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| Actual | Average | Record | |
|---|---|---|---|
| Temperature | |||
| Mean Temperature | 54 °F | 55 °F | |
| Max Temperature | 58 °F | 63 °F | 89 °F (1949) |
| Min Temperature | 50 °F | 47 °F | 35 °F (1907) |
| Degree Days | |||
| Heating Degree Days | 11 | 11 | |
| Month to date heating degree days | 73 | 57 | |
| Since 1 July heating degree days | 4242 | 5438 | |
| Cooling Degree Days | 0 | 0 | |
| Month to date cooling degree days | 0 | 0 | |
| Year to date cooling degree days | 25 | 3 | |
| Growing Degree Days | 2 (Base 50) | ||
| Moisture | |||
| Dew Point | 49 °F | ||
| Average Humidity | 89 | ||
| Maximum Humidity | 100 | ||
| Minimum Humidity | 77 | ||
| Precipitation | |||
| Precipitation | 0.09 in | 0.12 in | 2.06 in (1922) |
| Month to date precipitation | 0.74 | 0.54 | |
| Year to date precipitation | 8.71 | 15.21 | |
| Sea Level Pressure | |||
| Sea Level Pressure | 29.99 in | ||
| Wind | |||
| Wind Speed | 5 mph (ENE) | ||
| Max Wind Speed | 12 mph | ||
| Max Gust Speed | 17 mph | ||
| Visibility | 3 miles | ||
| Events | Fog , Rain | ||
| T = Trace of Precipitation, MM = Missing Value | Source: NWS Daily Summary |
| May. 24, 2013 | Rise | Set |
|---|---|---|
| Actual Time | 5:33 AM EDT | 7:48 PM EDT |
| Civil Twilight | 5:02 AM EDT | 8:19 PM EDT |
| Nautical Twilight | 4:23 AM EDT | 8:58 PM EDT |
| Astronomical Twilight | 3:41 AM EDT | 9:41 PM EDT |
| Moon | 7:37 PM EDT (5/5) | 4:54 AM EDT (5/5) |
| Length Of Visible Light | 15h 17m | |
| Length of Day |
14h 15m
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| Full, 100% of the Moon is Illuminated | ||||
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May 5
Full
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May 5
Full
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May 12
Last Quarter
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May 20
New
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May 28
First Quarter
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| Time (EDT) | Temp. | Windchill | Dew Point | Humidity | Pressure | Visibility | Wind Dir | Wind Speed | Gust Speed | Precip | Events | Conditions |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 12:54 AM | 50.0 °F | - | 48.9 °F | 96% | 29.96 in | 0.2 mi | NNE | 4.6 mph | - | N/A | Fog | Fog |
| 1:54 AM | 50.0 °F | - | 50.0 °F | 100% | 29.95 in | 0.2 mi | NNE | 3.5 mph | - | N/A | Overcast | |
| 2:05 AM | 50.0 °F | - | 50.0 °F | 100% | 29.95 in | 1.0 mi | NNE | 3.5 mph | - | N/A | Overcast | |
| 2:21 AM | 50.0 °F | - | 48.2 °F | 94% | 29.95 in | 3.0 mi | North | 3.5 mph | - | N/A | Overcast | |
| 2:37 AM | 50.0 °F | - | 48.2 °F | 94% | 29.94 in | 3.0 mi | NNE | 5.8 mph | - | 0.00 in | Rain | Light Rain |
| 2:47 AM | 50.0 °F | - | 48.2 °F | 94% | 29.94 in | 2.0 mi | NNE | 4.6 mph | - | 0.01 in | Rain | Rain |
| 2:54 AM | 50.0 °F | - | 48.9 °F | 96% | 29.94 in | 2.0 mi | NNE | 3.5 mph | - | 0.03 in | Rain | Rain |
| 3:06 AM | 50.0 °F | - | 48.2 °F | 94% | 29.94 in | 1.5 mi | NNE | 4.6 mph | - | 0.02 in | Rain | Rain |
| 3:24 AM | 50.0 °F | - | 48.2 °F | 94% | 29.94 in | 2.0 mi | NNE | 3.5 mph | - | 0.04 in | Rain | Light Rain |
| 3:54 AM | 50.0 °F | - | 48.9 °F | 96% | 29.95 in | 2.0 mi | Calm | Calm | - | 0.06 in | Rain | Light Rain |
| 4:15 AM | 50.0 °F | - | 48.2 °F | 94% | 29.95 in | 2.0 mi | Calm | Calm | - | 0.00 in | Overcast | |
| 4:23 AM | 50.0 °F | - | 48.2 °F | 94% | 29.95 in | 3.0 mi | Calm | Calm | - | 0.00 in | Overcast | |
| 4:46 AM | 50.0 °F | - | 48.2 °F | 94% | 29.94 in | 3.0 mi | SSE | 3.5 mph | - | 0.00 in | Overcast | |
| 4:54 AM | 50.0 °F | - | 48.9 °F | 96% | 29.95 in | 2.0 mi | Calm | Calm | - | 0.00 in | Overcast | |
| 5:11 AM | 50.0 °F | - | 48.2 °F | 94% | 29.95 in | 2.0 mi | Calm | Calm | - | N/A | Overcast | |
| 5:54 AM | 50.0 °F | - | 48.9 °F | 96% | 29.95 in | 2.0 mi | East | 3.5 mph | - | 0.00 in | Rain | Light Rain |
| 6:28 AM | 51.8 °F | - | 50.0 °F | 94% | 29.97 in | 2.0 mi | Calm | Calm | - | 0.00 in | Overcast | |
| 6:36 AM | 50.0 °F | - | 48.2 °F | 94% | 29.97 in | 2.0 mi | Calm | Calm | - | 0.00 in | Overcast | |
| 6:54 AM | 50.0 °F | - | 48.9 °F | 96% | 29.97 in | 2.0 mi | Calm | Calm | - | 0.00 in | Overcast | |
| 7:21 AM | 51.8 °F | - | 48.2 °F | 88% | 29.97 in | 2.0 mi | South | 3.5 mph | - | N/A | Overcast | |
| 7:39 AM | 51.8 °F | - | 50.0 °F | 94% | 29.97 in | 2.0 mi | SSE | 3.5 mph | - | N/A | Overcast | |
| 7:54 AM | 51.1 °F | - | 50.0 °F | 96% | 29.97 in | 2.0 mi | South | 4.6 mph | - | N/A | Overcast | |
| 8:17 AM | 51.8 °F | - | 50.0 °F | 94% | 29.98 in | 3.0 mi | Calm | Calm | - | N/A | Overcast | |
| 8:54 AM | 53.1 °F | - | 51.1 °F | 93% | 29.99 in | 3.0 mi | Calm | Calm | - | N/A | Overcast | |
| 9:54 AM | 53.1 °F | - | 51.1 °F | 93% | 30.00 in | 3.0 mi | Calm | Calm | - | N/A | Overcast | |
| 10:54 AM | 55.0 °F | - | 52.0 °F | 89% | 30.01 in | 3.0 mi | Calm | Calm | - | N/A | Overcast | |
| 11:54 AM | 54.0 °F | - | 50.0 °F | 86% | 30.01 in | 6.0 mi | ESE | 5.8 mph | - | N/A | Overcast | |
| 12:42 PM | 53.6 °F | - | 50.0 °F | 88% | 30.01 in | 7.0 mi | East | 6.9 mph | - | N/A | Overcast | |
| 12:54 PM | 53.1 °F | - | 50.0 °F | 89% | 30.01 in | 7.0 mi | East | 6.9 mph | - | N/A | Overcast | |
| 1:54 PM | 55.9 °F | - | 51.1 °F | 84% | 30.01 in | 7.0 mi | East | 6.9 mph | - | N/A | Overcast | |
| 2:54 PM | 55.0 °F | - | 50.0 °F | 83% | 30.02 in | 10.0 mi | ESE | 6.9 mph | - | N/A | Overcast | |
| 3:46 PM | 57.2 °F | - | 50.0 °F | 77% | 30.01 in | 10.0 mi | East | 9.2 mph | - | N/A | Overcast | |
| 3:54 PM | 55.9 °F | - | 48.9 °F | 77% | 30.01 in | 10.0 mi | East | 10.4 mph | - | N/A | Overcast | |
| 4:54 PM | 53.1 °F | - | 48.0 °F | 83% | 30.01 in | 10.0 mi | East | 9.2 mph | - | N/A | Overcast | |
| 5:54 PM | 52.0 °F | - | 48.0 °F | 86% | 30.02 in | 10.0 mi | East | 8.1 mph | - | N/A | Mostly Cloudy | |
| 6:54 PM | 51.1 °F | - | 46.9 °F | 86% | 30.03 in | 10.0 mi | East | 6.9 mph | - | N/A | Scattered Clouds | |
| 7:54 PM | 48.0 °F | - | 46.0 °F | 93% | 30.04 in | 0.2 mi | East | 6.9 mph | - | N/A | Fog | Fog |
| 8:54 PM | 46.9 °F | - | 46.0 °F | 97% | 30.06 in | 0.2 mi | Calm | Calm | - | N/A | Fog | Fog |
| 9:02 PM | 46.4 °F | 45.2 °F | 46.4 °F | 100% | 30.06 in | 0.2 mi | ESE | 3.5 mph | - | N/A | Fog | Fog |
| 9:54 PM | 46.9 °F | - | 46.9 °F | 100% | 30.08 in | 0.2 mi | Calm | Calm | - | N/A | Fog | Fog |
| 10:29 PM | 46.4 °F | - | 46.4 °F | 100% | 30.08 in | 0.2 mi | Calm | Calm | - | N/A | Mostly Cloudy | |
| 10:54 PM | 46.9 °F | - | 46.0 °F | 97% | 30.09 in | 1.5 mi | NNE | 3.5 mph | - | N/A | Mostly Cloudy | |
| 11:54 PM | 48.0 °F | - | 46.9 °F | 96% | 30.09 in | 3.0 mi | NE | 3.5 mph | - | N/A | Mostly Cloudy | |
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