Weather History for Portland, OR

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Thursday, August 22, 2013

  Actual Average Record
Temperature  
Mean Temperature 71 °F 69 °F  
Max Temperature 82 °F 81 °F 98 °F (1942)
Min Temperature 60 °F 58 °F 47 °F (1973)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 3 0  
Since 1 June heating degree days 54 108  
Since 1 July heating degree days 5 17  
Cooling Degree Days 6 4  
Month to date cooling degree days 147 118  
Year to date cooling degree days 397 329  
Since 1 June cooling degree days 382 312  
Growing Degree Days 21 (Base 50)    
Moisture  
Dew Point 55 °F    
Average Humidity 56    
Maximum Humidity 72    
Minimum Humidity 40    
Precipitation  
Precipitation 0.00 in 0.03 in 0.87 in (2004)
Month to date precipitation 0.07 0.41  
Year to date precipitation 14.57 20.18  
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 29.87 in    
Wind  
Wind Speed 2 mph (NW)    
Max Wind Speed 7 mph    
Max Gust Speed -    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Aug. 22, 2013 Rise Set
Actual Time 6:19 AM PDT 8:05 PM PDT
Civil Twilight 5:48 AM PDT 8:37 PM PDT
Nautical Twilight 5:09 AM PDT 9:15 PM PDT
Astronomical Twilight 4:27 AM PDT 9:57 PM PDT
Moon 8:42 PM PDT (8/22) 8:23 AM PDT (8/22)
Length of Visible Light 14h 48m
Length of Day
13h 45m
Waning Gibbous, 96% of the Moon is Illuminated
Aug 22
Waning Gibbous
Aug 28
Last Quarter
Sep 5
New
Sep 12
First Quarter
Sep 19
Full

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 - 52.0 °F 53% 29.88 in 10.0 mi Calm Calm - N/A   Overcast
1:53 AM 68.0 °F - 52.0 °F 56% 29.88 in 10.0 mi Calm Calm - N/A   Overcast
2:53 AM 66.9 °F - 53.1 °F 61% 29.87 in 10.0 mi NW 3.5 mph - N/A   Mostly Cloudy
3:53 AM 66.0 °F - 51.1 °F 59% 29.87 in 10.0 mi NW 3.5 mph - N/A   Mostly Cloudy
4:53 AM 66.0 °F - 52.0 °F 60% 29.86 in 10.0 mi NNW 3.5 mph - N/A   Mostly Cloudy
5:53 AM 64.9 °F - 52.0 °F 63% 29.87 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
6:53 AM 60.1 °F - 52.0 °F 75% 29.88 in 10.0 mi Calm Calm - N/A   Scattered Clouds
7:53 AM 64.0 °F - 53.1 °F 67% 29.90 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:53 AM 68.0 °F - 53.1 °F 59% 29.90 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:53 AM 72.0 °F - 53.1 °F 51% 29.90 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:53 AM 71.1 °F - 54.0 °F 55% 29.88 in 10.0 mi NNE 3.5 mph - N/A   Mostly Cloudy
11:53 AM 72.0 °F - 53.1 °F 51% 29.89 in 10.0 mi SSW 3.5 mph - N/A   Overcast
12:53 PM 73.0 °F - 54.0 °F 51% 29.87 in 10.0 mi Calm Calm - N/A   Overcast
1:53 PM 73.9 °F - 55.0 °F 52% 29.88 in 10.0 mi East 3.5 mph - N/A   Mostly Cloudy
2:53 PM 75.9 °F - 55.0 °F 48% 29.87 in 10.0 mi ENE 6.9 mph - N/A   Mostly Cloudy
3:53 PM 79.0 °F - 55.9 °F 45% 29.85 in 10.0 mi NE 4.6 mph - N/A   Mostly Cloudy
4:53 PM 82.0 °F 81.4 °F 55.0 °F 39% 29.85 in 10.0 mi Calm Calm - N/A   Overcast
5:53 PM 82.0 °F 81.3 °F 54.0 °F 38% 29.84 in 10.0 mi Calm Calm - N/A   Overcast
6:53 PM 78.1 °F - 57.9 °F 50% 29.83 in 10.0 mi NNW 3.5 mph - N/A   Overcast
7:53 PM 77.0 °F - 60.1 °F 56% 29.84 in 10.0 mi WNW 6.9 mph - N/A   Overcast
8:53 PM 75.0 °F - 60.1 °F 60% 29.86 in 10.0 mi WSW 4.6 mph - N/A   Overcast
9:53 PM 75.0 °F - 61.0 °F 62% 29.87 in 10.0 mi West 3.5 mph - N/A   Overcast
10:53 PM 73.9 °F - 63.0 °F 68% 29.88 in 10.0 mi SW 6.9 mph - 0.00 in Rain Light Rain
11:53 PM 69.1 °F - 61.0 °F 75% 29.88 in 10.0 mi South 6.9 mph - 0.00 in Rain Light Rain