Weather History for Portland Troutdale, OR

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Friday, December 7, 2012

  Actual Average Record
Temperature  
Mean Temperature 8 °C 4 °C  
Max Temperature 9 °C 8 °C 16 °C (1988)
Min Temperature 6 °C 1 °C -10 °C (1972)
Degree Days  
Heating Degree Days 19 25  
Month to date heating degree days 114 171  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Moisture  
Dew Point 5 °C    
Average Humidity 83    
Maximum Humidity 89    
Minimum Humidity 76    
Precipitation  
Precipitation 2.29 mm 5.59 mm 4.57 mm (1975)
Month to date precipitation 1.18 1.59  
Year to date precipitation 44.56 41.39  
Snow  
Snow 0.00 cm - - ()
Month to date snowfall 0.0  
Since 1 July snowfall 0.0  
Snow Depth 0.00 cm    
Sea Level Pressure  
Sea Level Pressure 1021 hPa    
Wind  
Wind Speed 14 km/h (SW)    
Max Wind Speed 29 km/h    
Max Gust Speed 39 km/h    
Visibility 15 kilometers    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 07, 2012 Rise Set
Actual Time 7:36 AM PST 4:26 PM PST
Civil Twilight 7:02 AM PST 4:59 PM PST
Nautical Twilight 6:25 AM PST 5:37 PM PST
Astronomical Twilight 5:49 AM PST 6:13 PM PST
Moon 12:45 AM PST (12/7) 12:40 PM PST (12/7)
Length of Visible Light 9h 57m
Length of Day
8h 49m
Last Quarter, 37% of the Moon is Illuminated
Dec 7
Last Quarter
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 7.8 °C 5.2 °C 5.0 °C 83% 1022.4 hPa 16.1 km SW 14.8 km/h / 4.1 m/s - 0.0 mm   Overcast
1:16 AM 8.0 °C 5.3 °C 5.0 °C 81% 1022.2 hPa 16.1 km SW 16.7 km/h / 4.6 m/s - N/A   Overcast
1:53 AM 7.8 °C 4.4 °C 5.0 °C 83% 1022.1 hPa 16.1 km SSW 22.2 km/h / 6.2 m/s - N/A   Overcast
2:53 AM 8.3 °C - 5.0 °C 80% 1021.9 hPa 16.1 km SW 20.4 km/h / 5.7 m/s - N/A   Overcast
3:18 AM 8.0 °C 5.3 °C 6.0 °C 87% 1021.6 hPa 16.1 km SSW 16.7 km/h / 4.6 m/s - 0.0 mm   Overcast
3:53 AM 8.3 °C - 5.0 °C 80% 1021.4 hPa 16.1 km SSW 14.8 km/h / 4.1 m/s 31.5 km/h / 8.7 m/s 0.0 mm   Overcast
4:53 AM 8.3 °C - 5.0 °C 80% 1020.9 hPa 16.1 km SSW 22.2 km/h / 6.2 m/s 29.6 km/h / 8.2 m/s N/A   Overcast
5:35 AM 8.0 °C 5.3 °C 5.0 °C 81% 1020.9 hPa 16.1 km SW 16.7 km/h / 4.6 m/s - N/A   Overcast
5:53 AM 8.3 °C - 5.0 °C 80% 1020.6 hPa 16.1 km SW 20.4 km/h / 5.7 m/s 33.3 km/h / 9.3 m/s N/A   Overcast
6:18 AM 8.0 °C 5.3 °C 5.0 °C 81% 1020.5 hPa 16.1 km SW 16.7 km/h / 4.6 m/s - N/A   Overcast
6:53 AM 8.3 °C - 5.0 °C 80% 1020.6 hPa 16.1 km SW 20.4 km/h / 5.7 m/s - N/A   Overcast
7:53 AM 8.3 °C - 5.0 °C 80% 1020.6 hPa 16.1 km SSW 18.5 km/h / 5.1 m/s - N/A   Overcast
8:53 AM 8.3 °C - 5.0 °C 80% 1020.3 hPa 16.1 km SW 18.5 km/h / 5.1 m/s - N/A   Overcast
9:53 AM 8.9 °C - 5.0 °C 77% 1020.0 hPa 16.1 km SW 22.2 km/h / 6.2 m/s 38.9 km/h / 10.8 m/s N/A   Overcast
10:53 AM 8.9 °C - 5.0 °C 77% 1020.1 hPa 16.1 km SW 22.2 km/h / 6.2 m/s 33.3 km/h / 9.3 m/s N/A   Overcast
11:45 AM 8.0 °C 5.5 °C 6.0 °C 87% 1019.9 hPa 8.0 km SW 14.8 km/h / 4.1 m/s - 0.0 mm Rain Light Rain
11:53 AM 8.3 °C - 5.6 °C 83% 1019.8 hPa 14.5 km SW 14.8 km/h / 4.1 m/s - 0.3 mm Rain Light Rain
12:53 PM 8.9 °C - 5.6 °C 80% 1019.1 hPa 16.1 km SW 20.4 km/h / 5.7 m/s - 0.3 mm Rain Light Rain
1:30 PM 9.0 °C - 7.0 °C 87% 1018.8 hPa 11.3 km SW 16.7 km/h / 4.6 m/s - 0.3 mm Rain Light Rain
1:53 PM 9.4 °C - 6.7 °C 83% 1018.9 hPa 16.1 km SW 22.2 km/h / 6.2 m/s - 0.5 mm Rain Light Rain
2:53 PM 9.4 °C - 6.7 °C 83% 1019.2 hPa 16.1 km SW 18.5 km/h / 5.1 m/s - 0.0 mm   Mostly Cloudy
3:42 PM 9.0 °C - 7.0 °C 87% 1019.9 hPa 4.0 km West 7.4 km/h / 2.1 m/s - 1.0 mm Rain Rain
3:48 PM 9.0 °C - 7.0 °C 87% 1019.9 hPa 4.8 km West 7.4 km/h / 2.1 m/s - 1.0 mm Rain Light Rain
3:53 PM 8.9 °C - 6.7 °C 86% 1020.1 hPa 16.1 km West 7.4 km/h / 2.1 m/s - 1.0 mm Rain Light Rain
4:53 PM 8.3 °C - 4.4 °C 77% 1020.7 hPa 16.1 km NNW 11.1 km/h / 3.1 m/s - 0.3 mm Rain Light Rain
5:53 PM 7.8 °C 5.5 °C 2.2 °C 68% 1021.4 hPa 16.1 km NW 13.0 km/h / 3.6 m/s - 0.0 mm   Overcast
6:08 PM 7.0 °C 4.9 °C 3.0 °C 76% 1021.6 hPa 16.1 km WNW 11.1 km/h / 3.1 m/s - N/A   Overcast
6:53 PM 7.2 °C 5.9 °C 3.3 °C 76% 1021.9 hPa 16.1 km Variable 7.4 km/h / 2.1 m/s - N/A   Partly Cloudy
7:53 PM 6.7 °C - 2.8 °C 76% 1022.5 hPa 16.1 km Calm Calm - N/A   Scattered Clouds
8:53 PM 5.6 °C - 3.3 °C 85% 1023.0 hPa 16.1 km Calm Calm - N/A   Mostly Cloudy
9:53 PM 6.1 °C 5.2 °C 3.9 °C 86% 1023.4 hPa 16.1 km SE 5.6 km/h / 1.5 m/s - N/A   Overcast
10:53 PM 5.6 °C - 3.9 °C 89% 1023.3 hPa 16.1 km Calm Calm - N/A   Overcast
11:53 PM 6.1 °C - 2.8 °C 80% 1023.5 hPa 16.1 km Calm Calm - N/A   Overcast