Weather History for KPDX - July, 2013

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Wednesday, July 31, 2013

  Actual Average Record
Temperature  
Mean Temperature 69 °F 71 °F  
Max Temperature 78 °F 82 °F 102 °F (1965)
Min Temperature 60 °F 59 °F 48 °F (1956)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 2 15  
Since 1 June heating degree days 51 108  
Since 1 July heating degree days 2 17  
Cooling Degree Days 4 6  
Month to date cooling degree days 168 147  
Year to date cooling degree days 250 211  
Since 1 June cooling degree days 235 194  
Growing Degree Days 19 (Base 50)    
Moisture  
Dew Point 56 °F    
Average Humidity 66    
Maximum Humidity 84    
Minimum Humidity 48    
Precipitation  
Precipitation 0.00 in 0.02 in 0.38 in (1985)
Month to date precipitation T 0.65  
Year to date precipitation 14.50 19.77  
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 30.07 in    
Wind  
Wind Speed 5 mph (NW)    
Max Wind Speed 14 mph    
Max Gust Speed 17 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Jul. 31, 2013 Rise Set
Actual Time 5:53 AM PDT 8:39 PM PDT
Civil Twilight 5:18 AM PDT 9:13 PM PDT
Nautical Twilight 4:35 AM PDT 9:57 PM PDT
Astronomical Twilight 3:44 AM PDT 10:47 PM PDT
Moon 12:52 AM PDT (7/31) 4:01 PM PDT (7/31)
Length of Visible Light 15h 54m
Length of Day
14h 46m
Waning Crescent, 31% of the Moon is Illuminated
Jul 31
Waning Crescent
Aug 6
New
Aug 14
First Quarter
Aug 20
Full
Aug 28
Last 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 63.0 °F 55.9 °F 78% 30.11 in 10.0 mi NW 9.2 mph - N/A   Scattered Clouds
1:53 AM 61.0 °F 55.9 °F 83% 30.11 in 10.0 mi NW 8.1 mph - N/A   Scattered Clouds
2:53 AM 60.1 °F 55.9 °F 86% 30.10 in 10.0 mi NW 5.8 mph - N/A   Scattered Clouds
3:10 AM 60.8 °F 55.4 °F 82% 30.11 in 10.0 mi NNW 6.9 mph - N/A   Mostly Cloudy
3:53 AM 60.1 °F 55.9 °F 86% 30.11 in 10.0 mi NW 4.6 mph - N/A   Overcast
4:53 AM 60.1 °F 55.9 °F 86% 30.11 in 10.0 mi NNW 4.6 mph - N/A   Overcast
5:53 AM 60.1 °F 55.9 °F 86% 30.12 in 10.0 mi NW 5.8 mph - N/A   Overcast
6:53 AM 60.1 °F 55.9 °F 86% 30.12 in 10.0 mi NNW 3.5 mph - N/A   Overcast
7:53 AM 61.0 °F 55.9 °F 83% 30.11 in 10.0 mi North 3.5 mph - N/A   Overcast
8:46 AM 60.8 °F 55.4 °F 82% 30.12 in 10.0 mi NNW 4.6 mph - N/A   Overcast
8:53 AM 60.1 °F 55.9 °F 86% 30.11 in 10.0 mi NW 3.5 mph - N/A   Overcast
9:53 AM 61.0 °F 55.9 °F 83% 30.10 in 10.0 mi WNW 4.6 mph - N/A   Overcast
10:53 AM 63.0 °F 55.9 °F 78% 30.10 in 10.0 mi WNW 5.8 mph - N/A   Overcast
11:53 AM 66.9 °F 55.9 °F 68% 30.08 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
12:24 PM 66.2 °F 55.4 °F 68% 30.08 in 10.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
12:53 PM 70.0 °F 55.9 °F 61% 30.07 in 10.0 mi Calm Calm - N/A   Overcast
1:53 PM 71.1 °F 57.0 °F 61% 30.05 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:53 PM 73.0 °F 57.9 °F 59% 30.03 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
3:53 PM 73.9 °F 57.9 °F 57% 30.03 in 10.0 mi NW 5.8 mph - N/A   Mostly Cloudy
4:53 PM 75.9 °F 55.9 °F 50% 30.00 in 10.0 mi NNW 6.9 mph - N/A   Mostly Cloudy
5:53 PM 75.0 °F 59.0 °F 57% 30.02 in 10.0 mi West 8.1 mph - N/A   Scattered Clouds
6:53 PM 78.1 °F 57.0 °F 48% 30.01 in 10.0 mi NNW 5.8 mph - N/A   Mostly Cloudy
7:53 PM 73.0 °F 59.0 °F 61% 30.02 in 10.0 mi NNW 5.8 mph - N/A   Mostly Cloudy
8:53 PM 71.1 °F 57.9 °F 63% 30.02 in 10.0 mi North 5.8 mph - N/A   Mostly Cloudy
9:53 PM 66.9 °F 57.0 °F 70% 30.04 in 10.0 mi North 8.1 mph - N/A   Mostly Cloudy
10:53 PM 63.0 °F 55.9 °F 78% 30.05 in 10.0 mi NW 10.4 mph - N/A   Partly Cloudy
11:53 PM 60.1 °F 54.0 °F 80% 30.05 in 10.0 mi NW 11.5 mph - N/A   Partly Cloudy