Weather History for Portland Troutdale, OR

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Wednesday, December 12, 2012

  Actual Average Record
Temperature  
Mean Temperature 45 °F 39 °F  
Max Temperature 47 °F 45 °F 62 °F (2010)
Min Temperature 42 °F 33 °F 16 °F (1972)
Degree Days  
Heating Degree Days 20 26  
Month to date heating degree days 213 299  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Moisture  
Dew Point 39 °F    
Average Humidity 83    
Maximum Humidity 89    
Minimum Humidity 76    
Precipitation  
Precipitation 0.09 in 0.22 in 1.36 in (1969)
Month to date precipitation 1.63 2.71  
Year to date precipitation 45.01 42.51  
Snow  
Snow 0.00 in - - ()
Month to date snowfall 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.87 in    
Wind  
Wind Speed 6 mph (South)    
Max Wind Speed 16 mph    
Max Gust Speed 21 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 12, 2012 Rise Set
Actual Time 7:41 AM PST 4:26 PM PST
Civil Twilight 7:07 AM PST 5:00 PM PST
Nautical Twilight 6:29 AM PST 5:37 PM PST
Astronomical Twilight 5:53 AM PST 6:13 PM PST
Moon 6:50 AM PST (12/12) 4:09 PM PST (12/12)
Length of Visible Light 9h 53m
Length of Day
8h 44m
Waning Crescent, 0% of the Moon is Illuminated
Dec 12
Waning Crescent
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 44.1 °F 41.5 °F 41.0 °F 89% 29.70 in 10.0 mi West 4.6 mph - N/A   Overcast
1:53 AM 44.1 °F 39.0 °F 41.0 °F 89% 29.71 in 8.0 mi WSW 9.2 mph - 0.01 in Rain Light Rain
2:53 AM 44.1 °F - 41.0 °F 89% 29.73 in 9.0 mi Calm Calm - 0.01 in Rain Light Rain
3:53 AM 43.0 °F 41.3 °F 39.9 °F 89% 29.74 in 10.0 mi Variable 3.5 mph - 0.01 in   Overcast
4:18 AM 42.8 °F - 39.2 °F 87% 29.75 in 10.0 mi Calm Calm - 0.00 in Rain Light Rain
4:53 AM 43.0 °F 41.3 °F 39.0 °F 86% 29.76 in 10.0 mi SSW 3.5 mph - 0.00 in   Overcast
5:53 AM 43.0 °F - 37.9 °F 82% 29.77 in 10.0 mi Calm Calm - 0.00 in Rain Light Rain
6:53 AM 43.0 °F 37.7 °F 37.9 °F 82% 29.78 in 10.0 mi SSW 9.2 mph - 0.00 in   Overcast
7:53 AM 43.0 °F 39.5 °F 37.9 °F 82% 29.80 in 10.0 mi SSW 5.8 mph - N/A   Overcast
8:53 AM 43.0 °F 37.7 °F 37.9 °F 82% 29.82 in 10.0 mi SSW 9.2 mph - 0.00 in Rain Light Rain
9:53 AM 44.1 °F 40.1 °F 39.0 °F 82% 29.84 in 10.0 mi SW 6.9 mph - 0.01 in Rain Light Rain
10:53 AM 44.1 °F 37.7 °F 39.0 °F 82% 29.85 in 10.0 mi SW 12.7 mph - 0.00 in   Overcast
11:53 AM 45.0 °F 38.2 °F 39.0 °F 80% 29.86 in 10.0 mi SSW 15.0 mph 19.6 mph 0.00 in Rain Light Rain
12:53 PM 46.0 °F 40.2 °F 39.9 °F 79% 29.86 in 10.0 mi SSW 12.7 mph - 0.00 in Rain Light Rain
1:53 PM 46.9 °F - 39.9 °F 77% 29.86 in 10.0 mi SW 8.1 mph - 0.00 in   Overcast
2:53 PM 46.9 °F - 39.0 °F 74% 29.88 in 10.0 mi SW 6.9 mph - N/A   Overcast
3:53 PM 46.9 °F - 39.9 °F 77% 29.89 in 10.0 mi SW 4.6 mph - N/A   Overcast
4:53 PM 46.0 °F - 39.0 °F 76% 29.91 in 10.0 mi Calm Calm - N/A   Overcast
5:53 PM 45.0 °F - 39.0 °F 80% 29.93 in 10.0 mi Calm Calm - N/A   Overcast
6:53 PM 45.0 °F 42.6 °F 39.0 °F 80% 29.94 in 10.0 mi East 4.6 mph - N/A   Overcast
7:35 PM 44.6 °F 40.7 °F 39.2 °F 81% 29.95 in 10.0 mi East 6.9 mph - N/A   Overcast
7:53 PM 43.0 °F 39.5 °F 39.0 °F 86% 29.96 in 10.0 mi East 5.8 mph - N/A   Overcast
8:53 PM 43.0 °F - 39.9 °F 89% 29.99 in 10.0 mi Calm Calm - 0.01 in   Overcast
9:23 PM 42.8 °F - 39.2 °F 87% 30.00 in 10.0 mi Calm Calm - 0.00 in Rain Light Rain
9:53 PM 43.0 °F 41.3 °F 39.9 °F 89% 30.01 in 8.0 mi East 3.5 mph - 0.01 in Rain Light Rain
10:18 PM 42.8 °F 41.1 °F 39.2 °F 87% 30.01 in 8.0 mi East 3.5 mph - 0.02 in Rain Light Rain
10:39 PM 42.8 °F 40.1 °F 39.2 °F 87% 30.01 in 7.0 mi East 4.6 mph - 0.03 in Rain Light Rain
10:53 PM 43.0 °F 41.3 °F 39.9 °F 89% 30.01 in 10.0 mi East 3.5 mph - 0.03 in   Overcast
11:53 PM 43.0 °F 41.3 °F 39.9 °F 89% 30.02 in 10.0 mi ENE 3.5 mph - N/A   Overcast