Weather History for KPDX - August, 2013

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Tuesday, August 20, 2013

  Actual Average Record
Temperature  
Mean Temperature 70 °F 69 °F  
Max Temperature 83 °F 81 °F 96 °F (2011)
Min Temperature 57 °F 58 °F 46 °F (1959)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 3 0  
Since 1 June heating degree days 54 108  
Since 1 July heating degree days 5 17  
Cooling Degree Days 5 5  
Month to date cooling degree days 131 109  
Year to date cooling degree days 381 320  
Since 1 June cooling degree days 366 303  
Growing Degree Days 20 (Base 50)    
Moisture  
Dew Point 52 °F    
Average Humidity 59    
Maximum Humidity 86    
Minimum Humidity 31    
Precipitation  
Precipitation 0.00 in 0.03 in 0.55 in (1997)
Month to date precipitation 0.07 0.36  
Year to date precipitation 14.57 20.13  
Snow  
Snow 0.00 in - - ()
Month to date snowfall 0.0  
Since 1 June snowfall 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.08 in    
Wind  
Wind Speed 8 mph (NW)    
Max Wind Speed 21 mph    
Max Gust Speed 26 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Aug. 20, 2013 Rise Set
Actual Time 6:17 AM PDT 8:09 PM PDT
Civil Twilight 5:45 AM PDT 8:40 PM PDT
Nautical Twilight 5:06 AM PDT 9:19 PM PDT
Astronomical Twilight 4:24 AM PDT 10:01 PM PDT
Moon 7:40 PM PDT (8/20) 5:55 AM PDT (8/20)
Length of Visible Light 14h 55m
Length of Day
13h 51m
Full, 100% of the Moon is Illuminated
Aug 20
Full
Aug 20
Full
Aug 28
Last Quarter
Sep 5
New
Sep 12
First Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 62.1 °F 53.1 °F 72% 30.11 in 10.0 mi NW 10.4 mph - N/A   Clear
1:53 AM 61.0 °F 51.1 °F 70% 30.12 in 10.0 mi NW 9.2 mph - N/A   Partly Cloudy
2:53 AM 59.0 °F 50.0 °F 72% 30.12 in 10.0 mi NW 6.9 mph - N/A   Partly Cloudy
3:53 AM 57.9 °F 51.1 °F 78% 30.12 in 10.0 mi NW 4.6 mph - N/A   Partly Cloudy
4:53 AM 57.9 °F 52.0 °F 81% 30.13 in 10.0 mi NW 5.8 mph - N/A   Partly Cloudy
5:53 AM 57.0 °F 52.0 °F 83% 30.13 in 10.0 mi NNW 5.8 mph - N/A   Scattered Clouds
6:53 AM 57.0 °F 53.1 °F 87% 30.13 in 10.0 mi NNW 4.6 mph - N/A   Scattered Clouds
7:10 AM 57.2 °F 53.6 °F 88% 30.14 in 10.0 mi NNW 5.8 mph - N/A   Mostly Cloudy
7:53 AM 59.0 °F 53.1 °F 81% 30.14 in 10.0 mi NW 3.5 mph - N/A   Mostly Cloudy
8:53 AM 60.1 °F 53.1 °F 78% 30.14 in 10.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
9:53 AM 64.0 °F 53.1 °F 67% 30.13 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:05 AM 64.4 °F 53.6 °F 68% 30.13 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:53 AM 66.9 °F 53.1 °F 61% 30.13 in 10.0 mi WNW 6.9 mph - N/A   Scattered Clouds
11:53 AM 69.1 °F 54.0 °F 58% 30.12 in 10.0 mi WNW 11.5 mph - N/A   Partly Cloudy
12:53 PM 73.0 °F 55.0 °F 53% 30.09 in 10.0 mi NW 9.2 mph - N/A   Partly Cloudy
1:53 PM 77.0 °F 54.0 °F 45% 30.07 in 10.0 mi North 5.8 mph - N/A   Partly Cloudy
2:53 PM 80.1 °F 51.1 °F 36% 30.05 in 10.0 mi NW 11.5 mph 19.6 mph N/A   Partly Cloudy
3:53 PM 82.0 °F 48.9 °F 31% 30.03 in 10.0 mi NNW 13.8 mph 19.6 mph N/A   Partly Cloudy
4:53 PM 82.0 °F 50.0 °F 33% 30.01 in 10.0 mi NW 16.1 mph 21.9 mph N/A   Partly Cloudy
5:53 PM 81.0 °F 48.9 °F 33% 30.00 in 10.0 mi NW 13.8 mph 24.2 mph N/A   Partly Cloudy
6:53 PM 79.0 °F 50.0 °F 36% 29.99 in 10.0 mi NNW 12.7 mph 23.0 mph N/A   Partly Cloudy
7:53 PM 77.0 °F 48.9 °F 37% 29.99 in 10.0 mi NNW 11.5 mph 20.7 mph N/A   Partly Cloudy
8:53 PM 73.9 °F 46.0 °F 37% 29.99 in 10.0 mi NW 12.7 mph - N/A   Partly Cloudy
9:53 PM 72.0 °F 52.0 °F 49% 30.00 in 10.0 mi West 6.9 mph - N/A   Clear
10:53 PM 69.1 °F 53.1 °F 57% 30.00 in 10.0 mi West 9.2 mph - N/A   Clear
11:53 PM 66.9 °F 52.0 °F 59% 30.00 in 10.0 mi NW 8.1 mph - N/A   Clear