Weather History for PAFA - December, 1974
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Sunday, December 15, 1974
| Actual | Average | Record | |
|---|---|---|---|
| Temperature | |||
| Mean Temperature | -10 °F | -4 °F | |
| Max Temperature | -5 °F | 5 °F | 33 °F (1986) |
| Min Temperature | -16 °F | -11 °F | -55 °F (1946) |
| Degree Days | |||
| Heating Degree Days | 76 | 69 | |
| Month to date heating degree days | 1019 | ||
| Since 1 July heating degree days | 5150 | ||
| Cooling Degree Days | 0 | 0 | |
| Month to date cooling degree days | 0 | ||
| Year to date cooling degree days | 61 | ||
| Moisture | |||
| Dew Point | -20 °F | ||
| Average Humidity | 59 | ||
| Maximum Humidity | 65 | ||
| Minimum Humidity | 52 | ||
| Precipitation | |||
| Precipitation | 0.01 in | 0.02 in | 0.22 in (1967) |
| Month to date precipitation | 0.29 | ||
| Year to date precipitation | 10.46 | ||
| Snow | |||
| Snow | 0.00 in | 0.40 in | 3.40 in (1967) |
| Month to date snowfall | 5.7 | ||
| Since 1 July snowfall | 31.5 | ||
| Snow Depth | - | ||
| Sea Level Pressure | |||
| Sea Level Pressure | 29.79 in | ||
| Wind | |||
| Wind Speed | 2 mph (NE) | ||
| Max Wind Speed | 5 mph | ||
| Max Gust Speed | - | ||
| Visibility | 7 miles | ||
| Events | Fog , Snow | ||
| T = Trace of Precipitation, MM = Missing Value | Source: NWS Daily Summary |
Daily Weather History Graph
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Astronomy
| Dec. 15, 1974 | Rise | Set |
|---|---|---|
| Actual Time | 9:52 AM AHST | 1:41 PM AHST |
| Civil Twilight | 8:27 AM AHST | 3:05 PM AHST |
| Nautical Twilight | 7:16 AM AHST | 4:16 PM AHST |
| Astronomical Twilight | 6:15 AM AHST | 5:18 PM AHST |
| Moon | 10:41 AM AHST (12/15) | 4:44 PM AHST (12/15) |
| Length of Visible Light | 6h 37m | |
| Length of Day |
3h 49m
|
|
| Waxing Crescent, 5% of the Moon is Illuminated | ||||
| Dec 15 Waxing Crescent | Dec 21 First Quarter | Dec 28 Full | Jan 4 Last Quarter | Jan 12 New |
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 | -15.8 °F | -15.0 °F | 62% | 29.78 in | 7.0 mi | NNW | 4.6 mph | - | 0.01 in | Snow | Light Snow |
| 1:00 AM | -5.1 °F | - | -16.1 °F | 59% | 29.80 in | 10.0 mi | Calm | Calm | - | N/A | Snow | Light Snow |
| 2:00 AM | -5.1 °F | -13.6 °F | -17.0 °F | 57% | 29.80 in | 10.0 mi | NNW | 3.5 mph | - | N/A | Snow | Light Snow |
| 2:34 AM | - | - | - | N/A% | 29.75 in | 10.0 mi | North | 3.5 mph | - | N/A | Unknown | |
| 3:00 AM | -5.1 °F | - | -17.0 °F | 57% | 29.81 in | 10.0 mi | Calm | Calm | - | N/A | Snow | Light Snow |
| 4:00 AM | -5.1 °F | - | -15.0 °F | 62% | 29.82 in | 6.0 mi | Calm | Calm | - | 0.01 in | Snow | Light Snow |
| 5:00 AM | -5.1 °F | - | -15.0 °F | 62% | 29.82 in | 5.0 mi | Calm | Calm | - | N/A | Snow | Light Snow |
| 6:00 AM | -5.1 °F | -15.8 °F | -17.0 °F | 57% | 29.82 in | 6.0 mi | NNE | 4.6 mph | - | N/A | Snow | Light Snow |
| 7:00 AM | -7.1 °F | -15.9 °F | -18.9 °F | 56% | 29.83 in | 7.0 mi | NE | 3.5 mph | - | N/A | Snow | Light Snow |
| 8:00 AM | -7.1 °F | -18.1 °F | -18.0 °F | 59% | 29.83 in | 10.0 mi | NNE | 4.6 mph | - | N/A | Snow | Light Snow |
| 9:00 AM | -7.1 °F | -15.9 °F | -18.0 °F | 59% | 29.83 in | 10.0 mi | SSE | 3.5 mph | - | N/A | Snow | Light Snow |
| 9:10 AM | - | - | - | N/A% | 29.78 in | 7.0 mi | Calm | Calm | - | N/A | Unknown | |
| 9:21 AM | - | - | - | N/A% | 29.78 in | 3.0 mi | Calm | Calm | - | N/A | Unknown | |
| 10:00 AM | -7.1 °F | - | -17.0 °F | 62% | 29.84 in | 3.0 mi | Calm | Calm | - | N/A | Snow | Light Snow |
| 10:11 AM | - | - | - | N/A% | 29.79 in | 4.0 mi | Calm | Calm | - | N/A | Unknown | |
| 10:22 AM | - | - | - | N/A% | 29.79 in | 4.0 mi | Calm | Calm | - | N/A | Unknown | |
| 11:00 AM | -7.1 °F | - | -18.0 °F | 59% | 29.84 in | 7.0 mi | Calm | Calm | - | N/A | Overcast | |
| 12:00 PM | -5.1 °F | - | -15.0 °F | 62% | 29.83 in | 10.0 mi | Calm | Calm | - | N/A | Snow | Light Snow |
| 1:00 PM | -7.1 °F | - | -17.0 °F | 62% | 29.82 in | 15.0 mi | Calm | Calm | - | N/A | Snow | Light Snow |
| 2:00 PM | -13.0 °F | -22.7 °F | -26.0 °F | 53% | 29.81 in | 40.0 mi | SE | 3.5 mph | - | N/A | Unknown | |
| 3:00 PM | -13.0 °F | -22.7 °F | -25.1 °F | 55% | 29.80 in | 30.0 mi | NNE | 3.5 mph | - | N/A | Clear | |
| 4:00 PM | -15.0 °F | - | -27.0 °F | 55% | 29.81 in | 15.0 mi | Calm | Calm | - | N/A | Clear | |
| 5:00 PM | -16.1 °F | -26.2 °F | -26.0 °F | 61% | 29.80 in | 5.0 mi | SW | 3.5 mph | - | N/A | Fog | Fog |
| 6:00 PM | -15.0 °F | -27.4 °F | -27.9 °F | 52% | 29.80 in | 7.0 mi | NNE | 4.6 mph | - | N/A | Ice Crystals | |
| 7:00 PM | -11.9 °F | -21.5 °F | -24.0 °F | 55% | 29.79 in | 7.0 mi | South | 3.5 mph | - | N/A | Snow | Light Snow |
| 8:00 PM | -11.9 °F | - | -24.0 °F | 55% | 29.79 in | 7.0 mi | Calm | Calm | - | N/A | Snow | Light Snow |
| 9:00 PM | -11.9 °F | -21.5 °F | -23.1 °F | 58% | 29.79 in | 7.0 mi | ENE | 3.5 mph | - | N/A | Snow | Light Snow |
| 10:00 PM | -11.9 °F | - | -22.0 °F | 61% | 29.78 in | 7.0 mi | Calm | Calm | - | N/A | Snow | Light Snow |
| 10:45 PM | - | - | - | N/A% | 29.72 in | 7.0 mi | East | 3.5 mph | - | N/A | Unknown | |
| 11:00 PM | -9.9 °F | - | -18.9 °F | 65% | 29.77 in | 7.0 mi | Calm | Calm | - | N/A | Snow | Light Snow |
| 11:07 PM | - | - | - | N/A% | 29.71 in | 10.5 mi | North | 3.5 mph | - | N/A | Unknown | |
| 11:14 PM | - | - | - | N/A% | 29.71 in | 1.0 mi | Calm | Calm | - | N/A | Unknown | |
| 11:47 PM | - | - | - | N/A% | 29.71 in | 2.0 mi | Calm | Calm | - | N/A | Unknown |