Portland, OR

7:46 PM PDT on October 18, 2017 (GMT -0700)
Portland International

Weather History for KPDX - September, 2013

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Wednesday, September 11, 2013

  Actual Average Record
Temperature  
Mean Temperature 79 °F 66 °F  
Max Temperature 95 °F 77 °F 95 °F (2013)
Min Temperature 63 °F 54 °F 43 °F (1964)
Degree Days  
Heating Degree Days 0 2  
Month to date heating degree days 0 13  
Since 1 July heating degree days 5 40  
Cooling Degree Days 14 2  
Month to date cooling degree days 70 32  
Year to date cooling degree days 523 395  
Growing Degree Days 29 (Base 50)    
Moisture  
Dew Point 62 °F    
Average Humidity 62    
Maximum Humidity 93    
Minimum Humidity 31    
Precipitation  
Precipitation 0.00 in 0.05 in 0.44 in (1966)
Month to date precipitation 1.42 0.44  
Year to date precipitation 16.70 20.88  
Snow  
Snow 0.00 in - - ()
Month to date snowfall 0.0  
Since 1 July snowfall 0.0  
Since 1 September snowfall 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.86 in    
Wind  
Wind Speed 7 mph (WNW)    
Max Wind Speed 12 mph    
Max Gust Speed 14 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

Sep. 11, 2013 Rise Set
Actual Time 6:44 AM PDT 7:28 PM PDT
Civil Twilight 6:14 AM PDT 7:58 PM PDT
Nautical Twilight 5:38 AM PDT 8:34 PM PDT
Astronomical Twilight 5:01 AM PDT 9:11 PM PDT
Moon 1:37 PM PDT (9/11) 11:10 PM PDT (9/11)
Length of Visible Light 13h 44m
Length of Day
12h 44m
Waxing Crescent, 40% of the Moon is Illuminated
Sep 11
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 70.0 °F - 63.0 °F 78% 29.83 in 10.0 mi WNW 4.6 mph - N/A   Clear
1:53 AM 66.9 °F - 62.1 °F 84% 29.83 in 10.0 mi West 6.9 mph - N/A   Clear
2:53 AM 68.0 °F - 61.0 °F 78% 29.83 in 10.0 mi WNW 5.8 mph - N/A   Clear
3:53 AM 66.9 °F - 61.0 °F 81% 29.84 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 64.0 °F - 61.0 °F 90% 29.84 in 10.0 mi WNW 4.6 mph - N/A   Clear
5:53 AM 64.9 °F - 62.1 °F 90% 29.85 in 10.0 mi WNW 6.9 mph - N/A   Clear
6:53 AM 63.0 °F - 61.0 °F 93% 29.87 in 10.0 mi West 5.8 mph - N/A   Clear
7:53 AM 66.0 °F - 62.1 °F 87% 29.88 in 10.0 mi West 4.6 mph - N/A   Clear
8:53 AM 69.1 °F - 61.0 °F 75% 29.88 in 10.0 mi WNW 5.8 mph - N/A   Clear
9:53 AM 73.9 °F - 62.1 °F 66% 29.88 in 10.0 mi WNW 6.9 mph - N/A   Clear
10:53 AM 78.1 °F - 62.1 °F 58% 29.89 in 10.0 mi WNW 6.9 mph - N/A   Clear
11:53 AM 82.9 °F 83.2 °F 60.1 °F 46% 29.88 in 10.0 mi West 8.1 mph - N/A   Clear
12:53 PM 87.1 °F 86.5 °F 59.0 °F 39% 29.87 in 10.0 mi West 8.1 mph - N/A   Clear
1:53 PM 90.0 °F 89.7 °F 60.1 °F 37% 29.86 in 10.0 mi West 8.1 mph - N/A   Clear
2:53 PM 93.0 °F 93.8 °F 62.1 °F 36% 29.84 in 10.0 mi WNW 9.2 mph - N/A   Clear
3:53 PM 95.0 °F 94.8 °F 60.1 °F 31% 29.83 in 10.0 mi WNW 9.2 mph - N/A   Clear
4:53 PM 93.9 °F 94.8 °F 62.1 °F 35% 29.82 in 10.0 mi WNW 10.4 mph - N/A   Clear
5:53 PM 93.9 °F 95.2 °F 63.0 °F 36% 29.82 in 10.0 mi West 6.9 mph - N/A   Clear
6:53 PM 91.9 °F 91.8 °F 61.0 °F 35% 29.82 in 10.0 mi WNW 5.8 mph - N/A   Clear
7:53 PM 84.0 °F 85.4 °F 64.0 °F 51% 29.84 in 10.0 mi WNW 10.4 mph - N/A   Clear
8:53 PM 77.0 °F - 64.0 °F 64% 29.86 in 10.0 mi NW 8.1 mph - N/A   Clear
9:53 PM 73.9 °F - 62.1 °F 66% 29.88 in 10.0 mi WNW 3.5 mph - N/A   Clear
10:53 PM 72.0 °F - 60.1 °F 66% 29.91 in 10.0 mi NW 6.9 mph - N/A   Clear
11:53 PM 69.1 °F - 61.0 °F 75% 29.93 in 10.0 mi West 5.8 mph - N/A   Clear