Weather History for KPDX - September, 2013

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Monday, September 9, 2013

  Actual Average Record
Temperature  
Mean Temperature 73 °F 66 °F  
Max Temperature 83 °F 78 °F 94 °F (1948)
Min Temperature 62 °F 55 °F 42 °F (1962)
Degree Days  
Heating Degree Days 0 1  
Month to date heating degree days 0 9  
Since 1 July heating degree days 5 36  
Cooling Degree Days 8 3  
Month to date cooling degree days 44 27  
Year to date cooling degree days 497 390  
Growing Degree Days 22 (Base 50)    
Moisture  
Dew Point 61 °F    
Average Humidity 70    
Maximum Humidity 93    
Minimum Humidity 47    
Precipitation  
Precipitation 0.00 in 0.04 in 0.84 in (1972)
Month to date precipitation 1.42 0.35  
Year to date precipitation 16.70 20.79  
Snow  
Snow 0.00 in - - ()
Month to date snowfall 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.99 in    
Wind  
Wind Speed 5 mph (NNW)    
Max Wind Speed 17 mph    
Max Gust Speed 23 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 09, 2013 Rise Set
Actual Time 6:41 AM PDT 7:32 PM PDT
Civil Twilight 6:11 AM PDT 8:02 PM PDT
Nautical Twilight 5:35 AM PDT 8:38 PM PDT
Astronomical Twilight 4:58 AM PDT 9:15 PM PDT
Moon 11:25 AM PDT (9/9) 9:36 PM PDT (9/9)
Length of Visible Light 13h 50m
Length of Day
12h 50m
Waxing Crescent, 20% of the Moon is Illuminated
Sep 9
Waxing Crescent
Sep 12
First Quarter
Sep 19
Full
Sep 26
Last Quarter
Oct 4
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 68.0 °F - 61.0 °F 78% 30.01 in 10.0 mi North 3.5 mph - N/A   Clear
1:53 AM 66.0 °F - 61.0 °F 84% 30.01 in 10.0 mi NNW 3.5 mph - N/A   Clear
2:53 AM 64.0 °F - 60.1 °F 87% 30.01 in 10.0 mi Calm Calm - N/A   Partly Cloudy
3:50 AM 62.6 °F - 60.8 °F 94% 30.01 in 10.0 mi NNW 3.5 mph - N/A   Partly Cloudy
3:53 AM 63.0 °F - 60.1 °F 90% 30.01 in 10.0 mi Calm Calm - N/A   Partly Cloudy
4:11 AM 62.6 °F - 60.8 °F 94% 30.01 in 10.0 mi NW 5.8 mph - N/A   Mostly Cloudy
4:53 AM 63.0 °F - 60.1 °F 90% 30.01 in 10.0 mi NNW 6.9 mph - N/A   Overcast
5:53 AM 63.0 °F - 59.0 °F 87% 30.02 in 10.0 mi NNW 5.8 mph - N/A   Overcast
6:53 AM 63.0 °F - 59.0 °F 87% 30.02 in 10.0 mi North 4.6 mph - N/A   Overcast
7:53 AM 63.0 °F - 59.0 °F 87% 30.04 in 10.0 mi Calm Calm - N/A   Overcast
8:53 AM 63.0 °F - 59.0 °F 87% 30.04 in 10.0 mi NW 4.6 mph - N/A   Overcast
9:53 AM 64.0 °F - 59.0 °F 84% 30.04 in 10.0 mi NW 4.6 mph - N/A   Overcast
10:53 AM 64.9 °F - 59.0 °F 81% 30.04 in 10.0 mi NW 4.6 mph - N/A   Overcast
11:33 AM 66.2 °F - 59.0 °F 78% 30.04 in 10.0 mi ENE 3.5 mph - N/A   Overcast
11:53 AM 68.0 °F - 60.1 °F 76% 30.03 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
12:02 PM 69.8 °F - 60.8 °F 73% 30.03 in 10.0 mi Calm Calm - N/A   Scattered Clouds
12:53 PM 72.0 °F - 59.0 °F 64% 30.01 in 10.0 mi Calm Calm - N/A   Partly Cloudy
1:53 PM 75.9 °F - 60.1 °F 58% 29.99 in 10.0 mi North 4.6 mph - N/A   Partly Cloudy
2:53 PM 81.0 °F 81.7 °F 61.0 °F 50% 29.96 in 10.0 mi NW 9.2 mph - N/A   Clear
3:53 PM 82.0 °F 82.4 °F 60.1 °F 47% 29.94 in 10.0 mi NW 13.8 mph 18.4 mph N/A   Clear
4:53 PM 82.9 °F 83.2 °F 60.1 °F 46% 29.93 in 10.0 mi NW 11.5 mph - N/A   Clear
5:53 PM 82.0 °F 82.7 °F 61.0 °F 49% 29.92 in 10.0 mi NNW 11.5 mph - N/A   Clear
6:53 PM 79.0 °F - 62.1 °F 56% 29.92 in 10.0 mi NNW 8.1 mph - N/A   Clear
7:53 PM 75.9 °F - 64.0 °F 67% 29.92 in 10.0 mi NW 10.4 mph - N/A   Partly Cloudy
8:53 PM 73.9 °F - 63.0 °F 68% 29.93 in 10.0 mi NW 6.9 mph - N/A   Clear
9:53 PM 71.1 °F - 63.0 °F 75% 29.93 in 10.0 mi NW 8.1 mph - N/A   Clear
10:53 PM 70.0 °F - 63.0 °F 78% 29.92 in 10.0 mi NW 8.1 mph - N/A   Clear
11:53 PM 69.1 °F - 62.1 °F 78% 29.92 in 10.0 mi NNW 4.6 mph - N/A   Clear