Weather History for Portland, OR

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Friday, September 27, 2013

  Actual Average Record
Temperature  
Mean Temperature 53 °F 61 °F  
Max Temperature 57 °F 72 °F 95 °F (2003)
Min Temperature 49 °F 50 °F 37 °F (1961)
Degree Days  
Heating Degree Days 12 4  
Month to date heating degree days 61 61  
Since 1 July heating degree days 66 88  
Cooling Degree Days 0 1  
Month to date cooling degree days 86 57  
Year to date cooling degree days 539 420  
Growing Degree Days 2 (Base 50)    
Moisture  
Dew Point 50 °F    
Average Humidity 83    
Maximum Humidity 89    
Minimum Humidity 77    
Precipitation  
Precipitation 0.09 in 0.06 in 1.30 in (1955)
Month to date precipitation 2.33 1.28  
Year to date precipitation 17.61 21.72  
Snow  
Snow 0.00 in - - ()
Month to date snowfall 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.06 in    
Wind  
Wind Speed 8 mph (South)    
Max Wind Speed 21 mph    
Max Gust Speed 29 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 27, 2013 Rise Set
Actual Time 7:04 AM PDT 6:57 PM PDT
Civil Twilight 6:34 AM PDT 7:27 PM PDT
Nautical Twilight 5:59 AM PDT 8:01 PM PDT
Astronomical Twilight 5:24 AM PDT 8:36 PM PDT
Moon No Moon Rise 2:55 PM PDT (9/27)
Length of Visible Light 12h 52m
Length of Day
11h 53m
Last Quarter, 44% of the Moon is Illuminated
Sep 27
Last Quarter
Oct 4
New
Oct 11
First Quarter
Oct 18
Full
Oct 26
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 52.0 °F 48.0 °F 86% 30.17 in 10.0 mi SSE 3.5 mph - N/A   Mostly Cloudy
1:53 AM 52.0 °F 48.0 °F 86% 30.17 in 10.0 mi SE 4.6 mph - N/A   Overcast
2:53 AM 51.1 °F 46.9 °F 86% 30.17 in 10.0 mi SSE 3.5 mph - N/A   Scattered Clouds
3:53 AM 50.0 °F 46.9 °F 89% 30.16 in 10.0 mi SE 3.5 mph - N/A   Mostly Cloudy
4:53 AM 50.0 °F 46.9 °F 89% 30.15 in 10.0 mi SSE 4.6 mph - N/A   Mostly Cloudy
5:53 AM 51.1 °F 46.9 °F 86% 30.15 in 10.0 mi SSE 4.6 mph - N/A   Mostly Cloudy
6:53 AM 51.1 °F 46.9 °F 86% 30.14 in 10.0 mi SE 6.9 mph - N/A   Overcast
7:53 AM 52.0 °F 48.0 °F 86% 30.14 in 10.0 mi SE 4.6 mph - N/A   Overcast
8:53 AM 53.1 °F 46.9 °F 80% 30.14 in 10.0 mi South 6.9 mph - N/A   Overcast
9:53 AM 54.0 °F 48.0 °F 80% 30.14 in 10.0 mi South 12.7 mph - 0.01 in Rain Light Rain
10:53 AM 54.0 °F 50.0 °F 86% 30.12 in 5.0 mi South 10.4 mph - 0.07 in Rain Light Rain
11:53 AM 55.9 °F 51.1 °F 84% 30.09 in 10.0 mi South 9.2 mph - 0.01 in   Overcast
12:53 PM 55.9 °F 50.0 °F 80% 30.07 in 10.0 mi South 9.2 mph 24.2 mph 0.00 in Rain Light Rain
1:53 PM 55.9 °F 51.1 °F 84% 30.06 in 10.0 mi SSW 10.4 mph - 0.00 in Rain Light Rain
2:00 PM 55.4 °F 51.8 °F 88% 30.05 in 9.0 mi SSW 11.5 mph 18.4 mph 0.00 in Rain Light Rain
2:53 PM 55.9 °F 50.0 °F 80% 30.04 in 10.0 mi South 16.1 mph 23.0 mph 0.00 in Rain Light Rain
3:53 PM 55.0 °F 50.0 °F 83% 30.03 in 10.0 mi SSW 17.3 mph - 0.00 in   Overcast
4:53 PM 55.9 °F 50.0 °F 80% 30.02 in 10.0 mi SSW 13.8 mph 21.9 mph 0.00 in   Overcast
5:53 PM 55.9 °F 50.0 °F 80% 30.02 in 10.0 mi South 15.0 mph 23.0 mph N/A   Overcast
6:53 PM 55.9 °F 51.1 °F 84% 30.01 in 10.0 mi Variable 5.8 mph - N/A   Overcast
7:53 PM 55.9 °F 51.1 °F 84% 30.00 in 10.0 mi SSW 12.7 mph 19.6 mph N/A   Overcast
8:37 PM 55.4 °F 51.8 °F 88% 29.99 in 10.0 mi Variable 4.6 mph - N/A   Overcast
8:53 PM 55.9 °F 52.0 °F 87% 29.98 in 10.0 mi South 10.4 mph 19.6 mph N/A   Overcast
9:13 PM 55.4 °F 53.6 °F 94% 29.97 in 8.0 mi South 8.1 mph - 0.00 in Rain Light Rain
9:34 PM 55.4 °F 53.6 °F 94% 29.97 in 10.0 mi South 4.6 mph - 0.02 in Rain Light Rain
9:53 PM 55.0 °F 53.1 °F 93% 29.96 in 10.0 mi South 6.9 mph - 0.02 in Rain Light Rain
10:53 PM 55.9 °F 53.1 °F 90% 29.94 in 10.0 mi SSW 13.8 mph 19.6 mph 0.00 in   Overcast
11:19 PM 55.4 °F 53.6 °F 94% 29.93 in 10.0 mi SSW 18.4 mph 23.0 mph 0.00 in Rain Light Rain
11:53 PM 55.9 °F 54.0 °F 93% 29.92 in 10.0 mi SSW 15.0 mph - 0.01 in Rain Light Rain