Weather History for Portland, OR

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Thursday, May 1, 2014

  Actual Average Record
Temperature  
Mean Temperature 71 °F 55 °F  
Max Temperature 89 °F 65 °F 89 °F (2014)
Min Temperature 53 °F 45 °F 29 °F (1954)
Degree Days  
Heating Degree Days 0 10  
Month to date heating degree days 0 10  
Since 1 July heating degree days 4114 3973  
Cooling Degree Days 6 0  
Month to date cooling degree days 6 0  
Year to date cooling degree days 9 1  
Growing Degree Days 21 (Base 50)    
Moisture  
Dew Point 44 °F    
Average Humidity 45    
Maximum Humidity 72    
Minimum Humidity 18    
Precipitation  
Precipitation 0.00 in 0.07 in 1.15 in (1949)
Month to date precipitation 0.00 0.07  
Year to date precipitation 18.37 15.02  
Sea Level Pressure  
Sea Level Pressure 30.02 in    
Wind  
Wind Speed 4 mph (NW)    
Max Wind Speed 14 mph    
Max Gust Speed 16 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

May. 01, 2014 Rise Set
Actual Time 5:58 AM PDT 8:17 PM PDT
Civil Twilight 5:25 AM PDT 8:50 PM PDT
Nautical Twilight 4:44 AM PDT 9:31 PM PDT
Astronomical Twilight 3:58 AM PDT 10:17 PM PDT
Moon 7:47 AM PDT (5/1) 10:58 PM PDT (5/1)
Length of Visible Light 15h 25m
Length of Day
14h 19m
Waxing Crescent, 7% of the Moon is Illuminated
May 1
Waxing Crescent
May 6
First Quarter
May 14
Full
May 21
Last Quarter
May 28
New

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 45.0 °F 60% 30.09 in 10.0 mi NW 5.8 mph - N/A   Partly Cloudy
1:53 AM 59.0 °F 45.0 °F 60% 30.07 in 10.0 mi NW 4.6 mph - N/A   Partly Cloudy
2:53 AM 55.0 °F 45.0 °F 69% 30.06 in 10.0 mi Calm Calm - N/A   Partly Cloudy
3:53 AM 54.0 °F 44.1 °F 69% 30.06 in 10.0 mi Calm Calm - N/A   Partly Cloudy
4:53 AM 55.0 °F 44.1 °F 67% 30.05 in 10.0 mi NW 5.8 mph - N/A   Partly Cloudy
5:53 AM 55.0 °F 45.0 °F 69% 30.04 in 10.0 mi WNW 3.5 mph - N/A   Scattered Clouds
6:53 AM 55.0 °F 46.0 °F 72% 30.05 in 10.0 mi West 5.8 mph - N/A   Mostly Cloudy
7:53 AM 62.1 °F 45.0 °F 53% 30.04 in 10.0 mi North 3.5 mph - N/A   Mostly Cloudy
8:53 AM 66.9 °F 44.1 °F 44% 30.04 in 10.0 mi Calm Calm - N/A   Scattered Clouds
9:53 AM 70.0 °F 41.0 °F 35% 30.03 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:53 AM 75.0 °F 42.1 °F 31% 30.03 in 10.0 mi NNE 4.6 mph - N/A   Scattered Clouds
11:53 AM 78.1 °F 44.1 °F 30% 30.03 in 10.0 mi Variable 5.8 mph - N/A   Mostly Cloudy
12:53 PM 80.1 °F 46.0 °F 30% 30.01 in 10.0 mi ESE 11.5 mph - N/A   Mostly Cloudy
1:53 PM 82.9 °F 48.9 °F 31% 30.01 in 10.0 mi East 11.5 mph - N/A   Mostly Cloudy
2:53 PM 84.0 °F 48.9 °F 29% 30.00 in 10.0 mi East 8.1 mph - N/A   Mostly Cloudy
3:53 PM 88.0 °F 39.9 °F 18% 29.98 in 10.0 mi NNE 3.5 mph - N/A   Mostly Cloudy
4:53 PM 88.0 °F 43.0 °F 21% 29.97 in 10.0 mi Calm Calm - N/A   Scattered Clouds
5:53 PM 89.1 °F 43.0 °F 20% 29.96 in 10.0 mi Calm Calm - N/A   Scattered Clouds
6:53 PM 87.1 °F 46.9 °F 25% 29.96 in 10.0 mi WSW 6.9 mph - N/A   Scattered Clouds
7:53 PM 82.9 °F 46.9 °F 28% 29.97 in 10.0 mi WSW 12.7 mph - N/A   Partly Cloudy
8:53 PM 75.9 °F 44.1 °F 32% 30.00 in 10.0 mi WNW 3.5 mph - N/A   Partly Cloudy
9:53 PM 72.0 °F 44.1 °F 37% 30.01 in 10.0 mi Calm Calm - N/A   Partly Cloudy
10:53 PM 71.1 °F 43.0 °F 36% 30.03 in 10.0 mi WSW 3.5 mph - N/A   Partly Cloudy
11:53 PM 64.0 °F 46.9 °F 54% 30.04 in 10.0 mi East 5.8 mph - N/A   Partly Cloudy