Weather History for PAFA - December, 1974
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Thursday, December 12, 1974
| Actual | Average | Record | |
|---|---|---|---|
| Temperature | |||
| Mean Temperature | -6 °F | -3 °F | |
| Max Temperature | 0 °F | 6 °F | 40 °F (1944) |
| Min Temperature | -11 °F | -12 °F | -57 °F (1935) |
| Degree Days | |||
| Heating Degree Days | 70 | 68 | |
| Month to date heating degree days | 813 | ||
| Since 1 July heating degree days | 4944 | ||
| Cooling Degree Days | 0 | 0 | |
| Month to date cooling degree days | 0 | ||
| Year to date cooling degree days | 61 | ||
| Moisture | |||
| Dew Point | -16 °F | ||
| Average Humidity | 62 | ||
| Maximum Humidity | 71 | ||
| Minimum Humidity | 55 | ||
| Precipitation | |||
| Precipitation | 0.00 in | 0.02 in | 0.72 in (2012) |
| Month to date precipitation | 0.23 | ||
| Year to date precipitation | 10.40 | ||
| Snow | |||
| Snow | 0.00 in | 0.50 in | 9.50 in (2012) |
| Month to date snowfall | 4.6 | ||
| Since 1 July snowfall | 30.4 | ||
| Snow Depth | - | ||
| Sea Level Pressure | |||
| Sea Level Pressure | 29.51 in | ||
| Wind | |||
| Wind Speed | 2 mph (ENE) | ||
| Max Wind Speed | 5 mph | ||
| Max Gust Speed | - | ||
| Visibility | 14 miles | ||
| Events | |||
| T = Trace of Precipitation, MM = Missing Value | Source: NWS Daily Summary |
Daily Weather History Graph
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Astronomy
| Dec. 12, 1974 | Rise | Set |
|---|---|---|
| Actual Time | 9:46 AM AHST | 1:43 PM AHST |
| Civil Twilight | 8:24 AM AHST | 3:06 PM AHST |
| Nautical Twilight | 7:13 AM AHST | 4:16 PM AHST |
| Astronomical Twilight | 6:12 AM AHST | 5:18 PM AHST |
| Moon | 8:58 AM AHST (12/12) | 1:08 PM AHST (12/12) |
| Length of Visible Light | 6h 41m | |
| Length of Day |
3h 56m
|
|
| Waning Crescent, 1% of the Moon is Illuminated | ||||
| Dec 12 Waning Crescent | Dec 13 New | Dec 21 First Quarter | Dec 28 Full | Jan 4 Last Quarter |
Hourly Weather History & Observations
| Time (AHST) | Temp. | Windchill | Dew Point | Humidity | Pressure | Visibility | Wind Dir | Wind Speed | Gust Speed | Precip | Events | Conditions |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 12:00 AM | -5.1 °F | -13.6 °F | -14.1 °F | 65% | 29.53 in | 15.0 mi | SSW | 3.5 mph | - | N/A | Overcast | |
| 1:00 AM | -2.9 °F | -13.3 °F | -11.9 °F | 65% | 29.55 in | 15.0 mi | NE | 4.6 mph | - | N/A | Overcast | |
| 2:00 AM | -2.0 °F | -10.1 °F | -11.0 °F | 66% | 29.57 in | 15.0 mi | South | 3.5 mph | - | N/A | Overcast | |
| 3:00 AM | -0.9 °F | - | -9.9 °F | 66% | 29.56 in | 15.0 mi | Calm | Calm | - | N/A | Overcast | |
| 4:00 AM | -0.9 °F | -8.9 °F | -11.0 °F | 62% | 29.55 in | 15.0 mi | NNE | 3.5 mph | - | N/A | Unknown | |
| 5:00 AM | -0.9 °F | -8.9 °F | -11.9 °F | 60% | 29.56 in | 15.0 mi | ESE | 3.5 mph | - | N/A | Overcast | |
| 6:00 AM | -2.0 °F | - | -11.0 °F | 66% | 29.55 in | 15.0 mi | Calm | Calm | - | N/A | Overcast | |
| 7:00 AM | -2.9 °F | - | -13.0 °F | 62% | 29.55 in | 15.0 mi | Calm | Calm | - | N/A | Overcast | |
| 8:00 AM | -4.0 °F | - | -14.1 °F | 62% | 29.55 in | 15.0 mi | Calm | Calm | - | N/A | Overcast | |
| 9:00 AM | -5.1 °F | - | -16.1 °F | 59% | 29.54 in | 40.0 mi | Calm | Calm | - | N/A | Mostly Cloudy | |
| 10:00 AM | -5.1 °F | - | -15.0 °F | 62% | 29.54 in | 40.0 mi | Calm | Calm | - | N/A | Partly Cloudy | |
| 11:00 AM | -9.0 °F | - | -18.0 °F | 65% | 29.54 in | 40.0 mi | Calm | Calm | - | N/A | Clear | |
| 12:00 PM | -7.1 °F | - | -18.9 °F | 56% | 29.52 in | 40.0 mi | Calm | Calm | - | N/A | Clear | |
| 1:00 PM | -8.0 °F | - | -18.0 °F | 61% | 29.52 in | 40.0 mi | Calm | Calm | - | N/A | Clear | |
| 2:00 PM | -9.0 °F | - | -20.9 °F | 56% | 29.50 in | 40.0 mi | Calm | Calm | - | N/A | Unknown | |
| 3:00 PM | -8.0 °F | - | -18.0 °F | 61% | 29.50 in | 40.0 mi | Calm | Calm | - | N/A | Partly Cloudy | |
| 4:00 PM | -8.0 °F | -16.9 °F | -18.0 °F | 61% | 29.49 in | 20.0 mi | NNE | 3.5 mph | - | N/A | Partly Cloudy | |
| 5:00 PM | -8.0 °F | - | -18.0 °F | 61% | 29.49 in | 15.0 mi | Calm | Calm | - | N/A | Partly Cloudy | |
| 6:00 PM | -7.6 °F | - | -16.6 °F | 65% | 29.42 in | 15.0 mi | Calm | Calm | - | N/A | Partly Cloudy | |
| 7:00 PM | -11.0 °F | - | -23.1 °F | 55% | 29.47 in | 15.0 mi | Calm | Calm | - | N/A | Partly Cloudy | |
| 8:00 PM | -9.9 °F | -21.5 °F | -17.0 °F | 71% | 29.44 in | 7.0 mi | South | 4.6 mph | - | N/A | Ice Crystals | |
| 9:00 PM | -11.0 °F | -20.4 °F | -23.1 °F | 55% | 29.44 in | 7.0 mi | North | 3.5 mph | - | N/A | Ice Crystals | |
| 10:00 PM | -9.9 °F | -21.5 °F | -20.9 °F | 59% | 29.44 in | 7.0 mi | NE | 4.6 mph | - | N/A | Ice Crystals | |
| 11:00 PM | -9.9 °F | - | -20.9 °F | 59% | 29.45 in | 15.0 mi | Calm | Calm | - | N/A | Clear |