Weather History for KPDX - May, 2013

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Saturday, May 11, 2013

  Actual Average Record
Temperature  
Mean Temperature 71 °F 57 °F  
Max Temperature 85 °F 67 °F 91 °F (1971)
Min Temperature 57 °F 48 °F 37 °F (1985)
Degree Days  
Heating Degree Days 0 8  
Month to date heating degree days 19 100  
Since 1 July heating degree days 3786 4063  
Cooling Degree Days 6 0  
Month to date cooling degree days 15 0  
Year to date cooling degree days 15 1  
Growing Degree Days 20 (Base 50)    
Moisture  
Dew Point 53 °F    
Average Humidity 52    
Maximum Humidity 72    
Minimum Humidity 32    
Precipitation  
Precipitation 0.00 in 0.08 in 0.29 in (1987)
Month to date precipitation 0.00 0.86  
Year to date precipitation 8.40 15.81  
Snow  
Snow 0.00 in - - ()
Month to date snowfall 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.10 in    
Wind  
Wind Speed 3 mph (NW)    
Max Wind Speed 9 mph    
Max Gust Speed 10 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

May. 11, 2013 Rise Set
Actual Time 5:43 AM PDT 8:30 PM PDT
Civil Twilight 5:09 AM PDT 9:04 PM PDT
Nautical Twilight 4:26 AM PDT 9:48 PM PDT
Astronomical Twilight 3:35 AM PDT 10:39 PM PDT
Moon 6:54 AM PDT (5/11) 10:16 PM PDT (5/11)
Length of Visible Light 15h 54m
Length of Day
14h 46m
Waxing Crescent, 3% of the Moon is Illuminated
May 11
Waxing Crescent
May 17
First Quarter
May 24
Full
May 31
Last Quarter
Jun 8
New

Hourly Weather History & Observations

Time (PDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 62.1 °F - 51.1 °F 67% 30.19 in 10.0 mi WNW 5.8 mph - N/A   Mostly Cloudy
1:53 AM 62.1 °F - 51.1 °F 67% 30.19 in 10.0 mi West 3.5 mph - N/A   Overcast
2:53 AM 60.1 °F - 50.0 °F 69% 30.19 in 10.0 mi West 5.8 mph - N/A   Overcast
3:53 AM 59.0 °F - 50.0 °F 72% 30.18 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
4:53 AM 59.0 °F - 48.9 °F 69% 30.18 in 10.0 mi NW 3.5 mph - N/A   Mostly Cloudy
5:53 AM 57.9 °F - 48.0 °F 70% 30.17 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
6:53 AM 57.0 °F - 48.9 °F 74% 30.17 in 10.0 mi West 4.6 mph - N/A   Mostly Cloudy
7:53 AM 59.0 °F - 48.9 °F 69% 30.17 in 10.0 mi WNW 5.8 mph - N/A   Mostly Cloudy
8:53 AM 61.0 °F - 50.0 °F 67% 30.15 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:53 AM 64.0 °F - 51.1 °F 63% 30.14 in 10.0 mi NNW 3.5 mph - N/A   Mostly Cloudy
10:53 AM 69.1 °F - 52.0 °F 54% 30.13 in 10.0 mi North 4.6 mph - N/A   Mostly Cloudy
11:53 AM 73.9 °F - 53.1 °F 48% 30.11 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
12:53 PM 77.0 °F - 54.0 °F 45% 30.09 in 10.0 mi North 3.5 mph - N/A   Overcast
1:53 PM 79.0 °F - 52.0 °F 39% 30.07 in 10.0 mi Calm Calm - N/A   Overcast
2:53 PM 81.0 °F 80.4 °F 53.1 °F 38% 30.06 in 10.0 mi North 4.6 mph - N/A   Mostly Cloudy
3:53 PM 82.9 °F 81.9 °F 54.0 °F 37% 30.03 in 10.0 mi North 4.6 mph - N/A   Scattered Clouds
4:53 PM 84.9 °F 83.7 °F 55.9 °F 37% 30.01 in 10.0 mi NNW 3.5 mph - N/A   Scattered Clouds
5:53 PM 84.0 °F 82.9 °F 55.0 °F 37% 29.99 in 10.0 mi WNW 5.8 mph - N/A   Mostly Cloudy
6:53 PM 84.9 °F - 52.0 °F 32% 29.99 in 10.0 mi West 5.8 mph - N/A   Mostly Cloudy
7:53 PM 75.0 °F - 55.9 °F 51% 30.01 in 10.0 mi Variable 4.6 mph - N/A   Overcast
8:53 PM 72.0 °F - 55.9 °F 57% 30.02 in 10.0 mi NW 8.1 mph - N/A   Mostly Cloudy
9:53 PM 70.0 °F - 57.0 °F 63% 30.04 in 10.0 mi North 3.5 mph - N/A   Scattered Clouds
10:53 PM 68.0 °F - 57.0 °F 68% 30.04 in 10.0 mi West 5.8 mph - N/A   Scattered Clouds
11:53 PM 66.9 °F - 57.0 °F 70% 30.06 in 10.0 mi WSW 5.8 mph - N/A   Scattered Clouds