Weather History for Portland Hillsboro, OR

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Tuesday, August 20, 2013

  Actual Average Record
Temperature  
Mean Temperature 65 °F 66 °F  
Max Temperature 83 °F 81 °F 101 °F (1951)
Min Temperature 46 °F 50 °F 40 °F (2010)
Degree Days  
Heating Degree Days 0 2  
Month to date heating degree days 8 28  
Since 1 July heating degree days 31 84  
Cooling Degree Days 0 2  
Month to date cooling degree days 75 58  
Year to date cooling degree days 206 159  
Growing Degree Days 14 (Base 50)    
Moisture  
Dew Point 49 °F    
Average Humidity 57    
Maximum Humidity 86    
Minimum Humidity 28    
Precipitation  
Precipitation 0.00 in 0.03 in 1.13 in (1978)
Month to date precipitation 0.02 0.37  
Year to date precipitation 12.79 21.81  
Snow  
Snow 0.00 in - - ()
Month to date snowfall 0.0  
Since 1 June snowfall 0.0  
Since 1 July snowfall 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.07 in    
Wind  
Wind Speed 7 mph (NNW)    
Max Wind Speed 17 mph    
Max Gust Speed 24 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 6:18 AM PDT 8:10 PM PDT
Civil Twilight 5:47 AM PDT 8:41 PM PDT
Nautical Twilight 5:08 AM PDT 9:20 PM PDT
Astronomical Twilight 4:25 AM PDT 10:02 PM PDT
Moon 7:41 PM PDT (8/20) 5:57 AM PDT (8/20)
Length of Visible Light 14h 54m
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 59.0 °F 48.0 °F 67% 30.11 in 10.0 mi WNW 8.1 mph - N/A   Clear
1:53 AM 57.0 °F 48.0 °F 72% 30.12 in 10.0 mi WNW 5.8 mph - N/A   Clear
2:53 AM 54.0 °F 46.9 °F 77% 30.12 in 10.0 mi Calm Calm - N/A   Clear
3:53 AM 53.1 °F 46.0 °F 77% 30.12 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 48.9 °F 45.0 °F 86% 30.12 in 10.0 mi Calm Calm - N/A   Clear
5:53 AM 46.9 °F 43.0 °F 86% 30.12 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 50.0 °F 45.0 °F 83% 30.13 in 10.0 mi Calm Calm - N/A   Clear
7:53 AM 55.0 °F 48.0 °F 77% 30.13 in 10.0 mi Calm Calm - N/A   Clear
8:53 AM 61.0 °F 48.0 °F 62% 30.13 in 10.0 mi Variable 3.5 mph - N/A   Clear
9:53 AM 64.9 °F 48.9 °F 56% 30.13 in 10.0 mi ENE 4.6 mph - N/A   Clear
10:53 AM 68.0 °F 52.0 °F 56% 30.12 in 10.0 mi NE 5.8 mph - N/A   Clear
11:53 AM 72.0 °F 53.1 °F 51% 30.10 in 10.0 mi North 6.9 mph - N/A   Clear
12:53 PM 77.0 °F 51.1 °F 40% 30.08 in 10.0 mi NNW 12.7 mph - N/A   Clear
1:53 PM 79.0 °F 48.0 °F 34% 30.06 in 10.0 mi North 12.7 mph 19.6 mph N/A   Clear
2:53 PM 81.0 °F 45.0 °F 28% 30.04 in 10.0 mi NNW 9.2 mph 17.3 mph N/A   Clear
3:53 PM 82.0 °F 50.0 °F 33% 30.02 in 10.0 mi NW 15.0 mph - N/A   Clear
4:53 PM 82.9 °F 46.9 °F 28% 30.01 in 10.0 mi North 11.5 mph - N/A   Clear
5:53 PM 81.0 °F 50.0 °F 34% 29.99 in 10.0 mi NNW 11.5 mph - N/A   Clear
6:53 PM 79.0 °F 52.0 °F 39% 29.99 in 10.0 mi North 11.5 mph - N/A   Clear
7:53 PM 73.9 °F 51.1 °F 45% 29.99 in 10.0 mi NNW 8.1 mph - N/A   Clear
8:53 PM 70.0 °F 50.0 °F 49% 30.00 in 10.0 mi NNW 8.1 mph - N/A   Clear
9:53 PM 66.9 °F 53.1 °F 61% 30.01 in 10.0 mi WNW 8.1 mph - N/A   Clear
10:53 PM 64.0 °F 53.1 °F 67% 30.00 in 10.0 mi NW 11.5 mph - N/A   Clear
11:53 PM 62.1 °F 52.0 °F 70% 30.00 in 10.0 mi NW 9.2 mph - N/A   Clear