History for Portland, ME
Friday, April 27, 2012 — View Current Conditions
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| Actual | Average | Record | |
|---|---|---|---|
| Temperature | |||
| Mean Temperature | 45 °F | 48 °F | |
| Max Temperature | 54 °F | 58 °F | 84 °F (1990) |
| Min Temperature | 35 °F | 38 °F | 25 °F (1958) |
| Degree Days | |||
| Heating Degree Days | 20 | 17 | |
| Month to date heating degree days | 470 | 580 | |
| Since 1 July heating degree days | 5464 | 6598 | |
| Cooling Degree Days | 0 | 0 | |
| Month to date cooling degree days | 1 | 0 | |
| Year to date cooling degree days | 1 | 0 | |
| Moisture | |||
| Dew Point | 39 °F | ||
| Average Humidity | 72 | ||
| Maximum Humidity | 100 | ||
| Minimum Humidity | 44 | ||
| Precipitation | |||
| Precipitation | 0.46 in | 0.15 in | 3.59 in (1979) |
| Month to date precipitation | 4.84 | 3.88 | |
| Year to date precipitation | 12.65 | 14.75 | |
| Snow | |||
| Snow | 0.00 in | 0.00 in | 0.40 in (1993) |
| Month to date snowfall | T | 2.7 | |
| Since 1 July snowfall | 43.9 | 61.8 | |
| Snow Depth | 0.00 in | ||
| Sea Level Pressure | |||
| Sea Level Pressure | 29.60 in | ||
| Wind | |||
| Wind Speed | 13 mph (West) | ||
| Max Wind Speed | 33 mph | ||
| Max Gust Speed | 41 mph | ||
| Visibility | 9 miles | ||
| Events | Rain | ||
| T = Trace of Precipitation, MM = Missing Value | Source: NWS Daily Summary |
| May. 22, 2013 | Rise | Set |
|---|---|---|
| Actual Time | 5:38 AM EDT | 7:39 PM EDT |
| Civil Twilight | 5:07 AM EDT | 8:10 PM EDT |
| Nautical Twilight | 4:29 AM EDT | 8:48 PM EDT |
| Astronomical Twilight | 3:48 AM EDT | 9:30 PM EDT |
| Moon | 10:10 AM EDT (4/27) | 12:27 AM EDT (4/27) |
| Length Of Visible Light | 15h 02m | |
| Length of Day |
14h 00m
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| Waxing Crescent, 33% of the Moon is Illuminated | ||||
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Apr 27
Waxing Crescent
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Apr 29
First Quarter
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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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| Time (EDT) | Temp. | Windchill | Dew Point | Humidity | Pressure | Visibility | Wind Dir | Wind Speed | Gust Speed | Precip | Events | Conditions |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 12:29 AM | 51.8 °F | - | 46.4 °F | 82% | 29.56 in | 10.0 mi | South | 12.7 mph | 18.4 mph | N/A | Overcast | |
| 12:51 AM | 50.0 °F | - | 46.9 °F | 89% | 29.57 in | 10.0 mi | SSW | 4.6 mph | - | 0.00 in | Rain | Light Rain |
| 1:00 AM | 50.0 °F | - | 48.2 °F | 94% | 29.56 in | 8.0 mi | SSW | 4.6 mph | - | 0.00 in | Rain | Light Rain |
| 1:51 AM | 48.9 °F | - | 48.0 °F | 97% | 29.53 in | 4.0 mi | SSE | 3.5 mph | - | 0.13 in | Rain | Light Rain |
| 2:51 AM | 48.9 °F | - | 48.0 °F | 97% | 29.49 in | 4.0 mi | Calm | Calm | - | 0.13 in | Rain | Light Rain |
| 3:30 AM | 48.2 °F | - | 48.2 °F | 100% | 29.47 in | 6.0 mi | Calm | Calm | - | 0.04 in | Rain | Light Rain |
| 3:41 AM | 48.2 °F | - | 48.2 °F | 100% | 29.47 in | 7.0 mi | Calm | Calm | - | 0.04 in | Rain | Light Rain |
| 3:51 AM | 48.9 °F | - | 48.0 °F | 97% | 29.47 in | 7.0 mi | Calm | Calm | - | 0.05 in | Rain | Light Rain |
| 4:07 AM | 48.2 °F | - | 48.2 °F | 100% | 29.46 in | 5.0 mi | Calm | Calm | - | 0.01 in | Rain | Light Rain |
| 4:22 AM | 48.2 °F | - | 48.2 °F | 100% | 29.46 in | 4.0 mi | West | 3.5 mph | - | 0.03 in | Rain | Rain |
| 4:51 AM | 48.0 °F | - | 46.9 °F | 96% | 29.45 in | 8.0 mi | WNW | 8.1 mph | - | 0.06 in | Rain | Light Rain |
| 5:51 AM | 46.0 °F | 41.9 °F | 45.0 °F | 96% | 29.46 in | 10.0 mi | WNW | 8.1 mph | - | 0.04 in | Overcast | |
| 6:51 AM | 46.0 °F | 41.9 °F | 45.0 °F | 96% | 29.47 in | 10.0 mi | WNW | 8.1 mph | - | 0.00 in | Rain | Light Rain |
| 7:51 AM | 46.9 °F | - | 45.0 °F | 93% | 29.47 in | 6.0 mi | WNW | 5.8 mph | - | 0.01 in | Rain | Light Rain |
| 8:51 AM | 46.9 °F | - | 43.0 °F | 86% | 29.49 in | 10.0 mi | West | 10.4 mph | - | 0.01 in | Rain | Light Rain |
| 9:51 AM | 46.9 °F | - | 43.0 °F | 86% | 29.50 in | 10.0 mi | West | 10.4 mph | - | 0.03 in | Rain | Light Rain |
| 10:51 AM | 50.0 °F | - | 42.1 °F | 74% | 29.53 in | 10.0 mi | West | 11.5 mph | - | 0.00 in | Overcast | |
| 11:51 AM | 51.1 °F | - | 39.0 °F | 63% | 29.54 in | 10.0 mi | WNW | 16.1 mph | 26.5 mph | 0.00 in | Mostly Cloudy | |
| 12:51 PM | 53.1 °F | - | 36.0 °F | 52% | 29.56 in | 10.0 mi | WNW | 24.2 mph | 32.2 mph | N/A | Mostly Cloudy | |
| 1:51 PM | 52.0 °F | - | 33.1 °F | 49% | 29.58 in | 10.0 mi | West | 26.5 mph | 36.8 mph | N/A | Scattered Clouds | |
| 2:51 PM | 51.8 °F | - | 32.0 °F | 47% | 29.61 in | 10.0 mi | West | 20.7 mph | 35.7 mph | N/A | Clear | |
| 3:51 PM | 51.1 °F | - | 32.0 °F | 48% | 29.65 in | 10.0 mi | WNW | 20.7 mph | 33.4 mph | N/A | Partly Cloudy | |
| 4:51 PM | 51.1 °F | - | 30.9 °F | 46% | 29.68 in | 10.0 mi | West | 20.7 mph | 28.8 mph | N/A | Mostly Cloudy | |
| 5:51 PM | 48.0 °F | - | 28.9 °F | 48% | 29.72 in | 10.0 mi | West | 21.9 mph | 31.1 mph | N/A | Partly Cloudy | |
| 6:51 PM | 43.0 °F | 36.0 °F | 28.0 °F | 56% | 29.77 in | 10.0 mi | WNW | 13.8 mph | 31.1 mph | N/A | Partly Cloudy | |
| 7:51 PM | 39.2 °F | 31.2 °F | 26.6 °F | 61% | 29.82 in | 10.0 mi | NNW | 13.8 mph | - | N/A | Partly Cloudy | |
| 8:51 PM | 39.0 °F | 29.6 °F | 24.1 °F | 55% | 29.86 in | 10.0 mi | WNW | 18.4 mph | 24.2 mph | N/A | Clear | |
| 9:51 PM | 37.0 °F | 29.8 °F | 24.1 °F | 59% | 29.88 in | 10.0 mi | WNW | 10.4 mph | 24.2 mph | N/A | Scattered Clouds | |
| 10:51 PM | 36.0 °F | 27.5 °F | 24.1 °F | 62% | 29.89 in | 10.0 mi | WNW | 12.7 mph | - | N/A | Clear | |
| 11:51 PM | 36.0 °F | 26.7 °F | 21.9 °F | 57% | 29.91 in | 10.0 mi | WNW | 15.0 mph | - | N/A | Clear | |
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