Portland, OR

8:47 PM PST on February 12, 2016 (GMT -0800)
Portland International

Weather History for KPDX - August, 2013

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Saturday, August 31, 2013

  Actual Average Record
Temperature  
Mean Temperature 74 °F 68 °F  
Max Temperature 89 °F 79 °F 102 °F (1987)
Min Temperature 59 °F 56 °F 44 °F (1951)
Degree Days  
Heating Degree Days 0 1  
Month to date heating degree days 3 4  
Since 1 June heating degree days 54 118  
Since 1 July heating degree days 5 27  
Cooling Degree Days 9 4  
Month to date cooling degree days 203 152  
Year to date cooling degree days 453 363  
Since 1 June cooling degree days 438 346  
Growing Degree Days 24 (Base 50)    
Moisture  
Dew Point 57 °F    
Average Humidity 64    
Maximum Humidity 93    
Minimum Humidity 34    
Precipitation  
Precipitation 0.00 in 0.03 in 0.52 in (1961)
Month to date precipitation 0.78 0.67  
Year to date precipitation 15.28 20.44  
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 29.92 in    
Wind  
Wind Speed 3 mph (NW)    
Max Wind Speed 9 mph    
Max Gust Speed 13 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Date:

Astronomy

Aug. 31, 2013 Rise Set
Actual Time 6:30 AM PDT 7:49 PM PDT
Civil Twilight 6:00 AM PDT 8:20 PM PDT
Nautical Twilight 5:23 AM PDT 8:56 PM PDT
Astronomical Twilight 4:43 AM PDT 9:36 PM PDT
Moon 1:56 AM PDT (8/31) 4:59 PM PDT (8/31)
Length of Visible Light 14h 19m
Length of Day
13h 18m
Waning Crescent, 20% of the Moon is Illuminated
Aug 31
Waning Crescent
Sep 5
New
Sep 12
First Quarter
Sep 19
Full
Sep 26
Last Quarter

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 64.9 °F - 57.9 °F 78% 30.05 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 64.0 °F - 57.9 °F 80% 30.03 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 63.0 °F - 57.9 °F 84% 30.02 in 10.0 mi NW 3.5 mph - N/A   Clear
3:53 AM 61.0 °F - 57.9 °F 90% 30.01 in 10.0 mi NW 4.6 mph - N/A   Clear
4:53 AM 60.1 °F - 57.0 °F 90% 30.01 in 10.0 mi NNW 3.5 mph - N/A   Clear
5:53 AM 59.0 °F - 57.0 °F 93% 30.01 in 10.0 mi NW 4.6 mph - N/A   Partly Cloudy
6:26 AM 59.0 °F - 57.2 °F 94% 30.01 in 10.0 mi Calm Calm - N/A   Partly Cloudy
6:53 AM 59.0 °F - 57.0 °F 93% 30.01 in 10.0 mi NW 3.5 mph - N/A   Partly Cloudy
7:53 AM 61.0 °F - 57.0 °F 87% 30.00 in 10.0 mi Calm Calm - N/A   Partly Cloudy
8:53 AM 64.0 °F - 57.0 °F 78% 29.98 in 10.0 mi Calm Calm - N/A   Partly Cloudy
9:53 AM 66.9 °F - 57.0 °F 70% 29.97 in 10.0 mi Variable 4.6 mph - N/A   Clear
10:53 AM 70.0 °F - 57.9 °F 65% 29.94 in 10.0 mi Variable 4.6 mph - N/A   Clear
11:53 AM 73.9 °F - 57.9 °F 57% 29.92 in 10.0 mi West 8.1 mph - N/A   Clear
12:53 PM 78.1 °F - 57.9 °F 50% 29.90 in 10.0 mi West 6.9 mph - N/A   Clear
1:53 PM 81.0 °F 81.0 °F 57.0 °F 44% 29.88 in 10.0 mi West 6.9 mph - N/A   Clear
2:53 PM 84.0 °F 83.0 °F 55.9 °F 38% 29.86 in 10.0 mi WNW 3.5 mph - N/A   Partly Cloudy
3:53 PM 86.0 °F 84.9 °F 57.0 °F 37% 29.84 in 10.0 mi Calm Calm - N/A   Partly Cloudy
4:53 PM 87.1 °F 85.3 °F 55.0 °F 33% 29.82 in 10.0 mi North 3.5 mph - N/A   Partly Cloudy
5:53 PM 88.0 °F 86.5 °F 55.9 °F 34% 29.81 in 10.0 mi North 3.5 mph - N/A   Partly Cloudy
6:53 PM 88.0 °F 86.5 °F 55.9 °F 34% 29.81 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:53 PM 82.9 °F 83.2 °F 60.1 °F 46% 29.80 in 10.0 mi NNE 3.5 mph - N/A   Partly Cloudy
8:53 PM 78.1 °F - 59.0 °F 52% 29.82 in 10.0 mi NW 3.5 mph - N/A   Clear
9:53 PM 75.0 °F - 57.9 °F 55% 29.83 in 10.0 mi NW 9.2 mph - N/A   Clear
10:53 PM 73.0 °F - 57.0 °F 57% 29.84 in 10.0 mi NNW 4.6 mph - N/A   Clear
11:53 PM 70.0 °F - 57.9 °F 65% 29.85 in 10.0 mi Calm Calm - N/A   Clear