Weather History for Portland, OR

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Monday, December 3, 2012

  Actual Average Record
Temperature  
Mean Temperature 51 °F 42 °F  
Max Temperature 54 °F 48 °F 62 °F (1979)
Min Temperature 48 °F 37 °F 27 °F (2013)
Degree Days  
Heating Degree Days 14 23  
Month to date heating degree days 45 68  
Since 1 July heating degree days 854 1037  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 436 424  
Growing Degree Days 1 (Base 50)    
Moisture  
Dew Point 45 °F    
Average Humidity 82    
Maximum Humidity 93    
Minimum Humidity 71    
Precipitation  
Precipitation 0.23 in 0.20 in 1.69 in (1980)
Month to date precipitation 1.13 0.61  
Year to date precipitation 44.01 31.15  
Snow  
Snow 0.00 in - - ()
Since 1 July snowfall 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.96 in    
Wind  
Wind Speed 12 mph (South)    
Max Wind Speed 21 mph    
Max Gust Speed 26 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 03, 2012 Rise Set
Actual Time 7:33 AM PST 4:27 PM PST
Civil Twilight 6:59 AM PST 5:01 PM PST
Nautical Twilight 6:22 AM PST 5:38 PM PST
Astronomical Twilight 5:46 AM PST 6:14 PM PST
Moon 9:28 PM PST (12/3) 10:52 AM PST (12/3)
Length of Visible Light 10h 01m
Length of Day
8h 54m
Waning Gibbous, 77% of the Moon is Illuminated
Dec 3
Waning Gibbous
Dec 6
Last Quarter
Dec 13
New
Dec 19
First Quarter
Dec 28
Full

Hourly Weather History & Observations

Time (PST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:24 AM 48.2 °F 46.4 °F 93% 29.94 in 10.0 mi South 9.2 mph - N/A   Overcast
12:45 AM 48.2 °F 46.4 °F 93% 29.94 in 10.0 mi South 11.5 mph - 0.00 in Rain Light Rain
12:53 AM 48.9 °F 46.0 °F 90% 29.94 in 10.0 mi South 11.5 mph - 0.00 in   Overcast
1:53 AM 48.9 °F 45.0 °F 86% 29.97 in 10.0 mi South 9.2 mph - 0.00 in   Overcast
2:44 AM 50.0 °F 44.6 °F 82% 29.98 in 10.0 mi South 9.2 mph - N/A   Overcast
2:53 AM 48.9 °F 44.1 °F 83% 29.99 in 10.0 mi South 11.5 mph - N/A   Overcast
3:53 AM 48.9 °F 45.0 °F 86% 29.99 in 10.0 mi South 6.9 mph - 0.01 in Rain Light Rain
4:49 AM 48.2 °F 44.6 °F 87% 29.99 in 10.0 mi South 12.7 mph - 0.00 in   Overcast
4:53 AM 48.9 °F 45.0 °F 86% 29.99 in 10.0 mi South 13.8 mph - 0.00 in   Overcast
5:53 AM 48.9 °F 45.0 °F 86% 29.99 in 10.0 mi South 12.7 mph - 0.02 in Rain Light Rain
6:30 AM 48.2 °F 46.4 °F 93% 30.01 in 10.0 mi SSW 8.1 mph - 0.01 in Rain Light Rain
6:53 AM 48.2 °F 46.4 °F 93% 30.01 in 10.0 mi South 6.9 mph - N/A Rain Light Rain
7:32 AM 48.2 °F 44.6 °F 87% 30.02 in 10.0 mi South 10.4 mph - 0.00 in Rain Light Rain
7:53 AM 48.9 °F 45.0 °F 86% 30.02 in 10.0 mi South 15.0 mph - 0.00 in Rain Light Rain
8:53 AM 48.9 °F 46.0 °F 90% 30.03 in 10.0 mi SSW 17.3 mph 26.5 mph 0.00 in Rain Light Rain
9:53 AM 48.9 °F 46.0 °F 90% 30.05 in 4.0 mi SSW 11.5 mph - 0.04 in Rain Light Rain
10:53 AM 52.0 °F 46.9 °F 83% 30.05 in 10.0 mi South 13.8 mph 19.6 mph 0.01 in   Overcast
11:53 AM 54.0 °F 45.0 °F 72% 30.04 in 10.0 mi SSW 19.6 mph 25.3 mph N/A   Overcast
12:53 PM 53.1 °F 44.1 °F 71% 30.03 in 10.0 mi South 13.8 mph - 0.00 in Rain Light Rain
1:53 PM 54.0 °F 45.0 °F 72% 30.02 in 10.0 mi South 9.2 mph - 0.00 in   Overcast
2:53 PM 53.1 °F 46.0 °F 77% 30.01 in 10.0 mi SSE 10.4 mph - 0.00 in   Overcast
3:53 PM 52.0 °F 46.0 °F 80% 30.00 in 10.0 mi SE 10.4 mph - 0.00 in   Overcast
4:53 PM 52.0 °F 45.0 °F 77% 29.97 in 10.0 mi SE 9.2 mph - N/A   Overcast
5:53 PM 51.1 °F 46.0 °F 83% 29.95 in 10.0 mi SE 9.2 mph - N/A   Overcast
6:53 PM 50.0 °F 45.0 °F 83% 29.92 in 10.0 mi ESE 12.7 mph - N/A   Mostly Cloudy
7:53 PM 50.0 °F 45.0 °F 83% 29.87 in 10.0 mi ESE 13.8 mph - N/A   Overcast
8:53 PM 50.0 °F 45.0 °F 83% 29.81 in 10.0 mi ESE 15.0 mph - N/A   Overcast
9:53 PM 50.0 °F 44.1 °F 80% 29.76 in 10.0 mi ESE 12.7 mph - N/A   Overcast
10:53 PM 50.0 °F 43.0 °F 77% 29.77 in 10.0 mi South 8.1 mph - 0.03 in Rain Light Rain
11:53 PM 48.0 °F 45.0 °F 89% 29.69 in 8.0 mi ESE 8.1 mph - 0.10 in Rain Rain