History for Portland, ME
Monday, January 21, 2013 — View Current Conditions
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| Actual | Average | Record | |
|---|---|---|---|
| Temperature | |||
| Mean Temperature | 22 °F | 22 °F | |
| Max Temperature | 27 °F | 31 °F | 57 °F (2006) |
| Min Temperature | 17 °F | 13 °F | -12 °F (1984) |
| Degree Days | |||
| Heating Degree Days | 43 | 43 | |
| Month to date heating degree days | 775 | 893 | |
| Since 1 July heating degree days | 3125 | 3505 | |
| Cooling Degree Days | 0 | 0 | |
| Month to date cooling degree days | 0 | 0 | |
| Year to date cooling degree days | 0 | 0 | |
| Moisture | |||
| Dew Point | 3 °F | ||
| Average Humidity | 51 | ||
| Maximum Humidity | 68 | ||
| Minimum Humidity | 33 | ||
| Precipitation | |||
| Precipitation | 0.00 in | 0.11 in | 2.78 in (1979) |
| Month to date precipitation | 0.65 | 2.31 | |
| Year to date precipitation | 0.65 | 2.31 | |
| Snow | |||
| Snow | 0.00 in | 0.70 in | 8.20 in (1914) |
| Month to date snowfall | 5.2 | 13.3 | |
| Since 1 July snowfall | 32.9 | 28.4 | |
| Snow Depth | 3.00 in | ||
| Sea Level Pressure | |||
| Sea Level Pressure | 29.96 in | ||
| Wind | |||
| Wind Speed | 11 mph (West) | ||
| Max Wind Speed | 25 mph | ||
| Max Gust Speed | 33 mph | ||
| Visibility | 10 miles | ||
| Events | |||
| T = Trace of Precipitation, MM = Missing Value | Source: NWS Daily Summary |
| May. 19, 2013 | Rise | Set |
|---|---|---|
| Actual Time | 7:07 AM EST | 4:37 PM EST |
| Civil Twilight | 6:36 AM EST | 5:09 PM EST |
| Nautical Twilight | 6:01 AM EST | 5:44 PM EST |
| Astronomical Twilight | 5:27 AM EST | 6:18 PM EST |
| Moon | 12:15 PM EST (1/21) | 2:33 AM EST (1/21) |
| Length Of Visible Light | 10h 32m | |
| Length of Day |
9h 30m
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| Waxing Gibbous, 75% of the Moon is Illuminated | ||||
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Jan 21
Waxing Gibbous
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Jan 26
Full
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Feb 3
Last Quarter
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Feb 10
New
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Feb 17
First Quarter
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| Time (EST) | Temp. | Windchill | Dew Point | Humidity | Pressure | Visibility | Wind Dir | Wind Speed | Gust Speed | Precip | Events | Conditions |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 12:51 AM | 25.0 °F | 10.9 °F | 3.0 °F | 39% | 29.87 in | 10.0 mi | West | 19.6 mph | 25.3 mph | N/A | Clear | |
| 1:51 AM | 23.0 °F | 9.2 °F | 3.9 °F | 44% | 29.91 in | 10.0 mi | West | 17.3 mph | 31.1 mph | N/A | Clear | |
| 2:51 AM | 21.9 °F | 6.9 °F | -0.9 °F | 37% | 29.93 in | 10.0 mi | West | 19.6 mph | 32.2 mph | N/A | Clear | |
| 3:51 AM | 19.9 °F | 4.3 °F | -2.0 °F | 38% | 29.95 in | 10.0 mi | West | 19.6 mph | 26.5 mph | N/A | Clear | |
| 4:51 AM | 19.0 °F | 4.0 °F | -2.0 °F | 40% | 29.97 in | 10.0 mi | West | 17.3 mph | 23.0 mph | N/A | Clear | |
| 5:51 AM | 18.0 °F | 8.7 °F | -0.9 °F | 44% | 29.99 in | 10.0 mi | West | 6.9 mph | - | N/A | Clear | |
| 6:51 AM | 17.1 °F | 3.6 °F | -0.0 °F | 47% | 30.01 in | 10.0 mi | West | 12.7 mph | - | N/A | Clear | |
| 7:51 AM | 18.0 °F | 8.7 °F | -0.0 °F | 45% | 30.02 in | 10.0 mi | West | 6.9 mph | - | N/A | Clear | |
| 8:51 AM | 19.0 °F | 6.8 °F | -0.9 °F | 42% | 30.05 in | 10.0 mi | West | 11.5 mph | 20.7 mph | N/A | Clear | |
| 9:51 AM | 21.0 °F | 8.6 °F | -2.0 °F | 36% | 30.05 in | 10.0 mi | West | 12.7 mph | - | N/A | Clear | |
| 10:51 AM | 23.0 °F | 10.6 °F | -2.0 °F | 34% | 30.04 in | 10.0 mi | WSW | 13.8 mph | 19.6 mph | N/A | Clear | |
| 11:51 AM | 24.1 °F | 12.5 °F | -0.9 °F | 34% | 30.00 in | 10.0 mi | West | 12.7 mph | - | N/A | Clear | |
| 12:51 PM | 25.0 °F | 12.6 °F | 1.0 °F | 36% | 29.97 in | 10.0 mi | WNW | 15.0 mph | 20.7 mph | N/A | Clear | |
| 1:51 PM | 27.0 °F | 15.6 °F | 1.0 °F | 33% | 29.96 in | 10.0 mi | West | 13.8 mph | - | N/A | Mostly Cloudy | |
| 2:51 PM | 26.1 °F | 16.2 °F | 1.0 °F | 34% | 29.96 in | 10.0 mi | WSW | 10.4 mph | - | N/A | Overcast | |
| 3:51 PM | 26.1 °F | 17.6 °F | 1.0 °F | 34% | 29.96 in | 10.0 mi | WSW | 8.1 mph | - | N/A | Overcast | |
| 4:51 PM | 25.0 °F | - | 1.9 °F | 37% | 29.94 in | 10.0 mi | Calm | Calm | - | N/A | Overcast | |
| 5:51 PM | 25.0 °F | 18.1 °F | 5.0 °F | 43% | 29.94 in | 10.0 mi | SW | 5.8 mph | - | N/A | Overcast | |
| 6:51 PM | 24.1 °F | 17.0 °F | 8.1 °F | 51% | 29.95 in | 10.0 mi | WSW | 5.8 mph | - | N/A | Overcast | |
| 7:51 PM | 24.1 °F | 17.0 °F | 10.9 °F | 57% | 29.95 in | 10.0 mi | West | 5.8 mph | - | N/A | Overcast | |
| 8:51 PM | 23.0 °F | 14.7 °F | 10.4 °F | 59% | 29.94 in | 10.0 mi | WNW | 6.9 mph | - | N/A | Overcast | |
| 9:51 PM | 21.9 °F | 17.2 °F | 12.0 °F | 66% | 29.91 in | 10.0 mi | NNE | 3.5 mph | - | N/A | Partly Cloudy | |
| 10:51 PM | 21.0 °F | 12.4 °F | 10.9 °F | 65% | 29.86 in | 10.0 mi | NNE | 6.9 mph | - | N/A | Partly Cloudy | |
| 11:51 PM | 21.9 °F | 12.5 °F | 12.0 °F | 66% | 29.84 in | 10.0 mi | NNE | 8.1 mph | - | N/A | Overcast | |
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