Weather History for Portland, OR

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Tuesday, April 24, 2012

  Actual Average Record
Temperature  
Mean Temperature 60 °F 54 °F  
Max Temperature 64 °F 63 °F 79 °F (1999)
Min Temperature 56 °F 44 °F 32 °F (1950)
Degree Days  
Heating Degree Days 5 12  
Month to date heating degree days 297 319  
Since 1 July heating degree days 3994 3899  
Cooling Degree Days 0 0  
Month to date cooling degree days 5 0  
Year to date cooling degree days 5 0  
Growing Degree Days 10 (Base 50)    
Moisture  
Dew Point 50 °F    
Average Humidity 72    
Maximum Humidity 84    
Minimum Humidity 60    
Precipitation  
Precipitation 0.10 in 0.09 in 0.54 in (1970)
Month to date precipitation 2.65 2.26  
Year to date precipitation 20.19 14.48  
Snow  
Snow 0.00 in - - ()
Month to date snowfall 0.0  
Since 1 July snowfall 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.92 in    
Wind  
Wind Speed 8 mph (SSW)    
Max Wind Speed 17 mph    
Max Gust Speed 21 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Apr. 24, 2012 Rise Set
Actual Time 6:08 AM PDT 8:09 PM PDT
Civil Twilight 5:36 AM PDT 8:41 PM PDT
Nautical Twilight 4:57 AM PDT 9:21 PM PDT
Astronomical Twilight 4:13 AM PDT 10:04 PM PDT
Moon 8:00 AM PDT 11:41 PM PDT
Length of Visible Light 15h 04m
Length of Day
14h 00m
Waxing Crescent, 11% of the Moon is Illuminated
Apr 24
Waxing Crescent
Apr 29
First Quarter
May 5
Full
May 12
Last Quarter
May 20
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 62.1 °F 52.0 °F 70% 29.88 in 10.0 mi SSW 5.8 mph - N/A   Mostly Cloudy
1:53 AM 61.0 °F 51.1 °F 70% 29.89 in 10.0 mi SSW 11.5 mph - N/A   Overcast
2:53 AM 59.0 °F 50.0 °F 72% 29.90 in 10.0 mi South 6.9 mph - N/A   Overcast
3:53 AM 57.9 °F 48.9 °F 72% 29.92 in 10.0 mi South 8.1 mph - N/A   Overcast
4:34 AM 57.2 °F 48.2 °F 72% 29.94 in 10.0 mi South 5.8 mph - N/A   Overcast
4:53 AM 57.0 °F 48.9 °F 74% 29.94 in 10.0 mi South 11.5 mph - N/A   Overcast
5:45 AM 55.4 °F 48.2 °F 77% 29.94 in 10.0 mi SSW 12.7 mph 16.1 mph N/A   Overcast
5:53 AM 55.9 °F 48.0 °F 75% 29.94 in 10.0 mi South 4.6 mph 16.1 mph N/A   Overcast
6:14 AM 55.4 °F 48.2 °F 77% 29.95 in 10.0 mi South 6.9 mph - N/A   Overcast
6:53 AM 55.9 °F 48.0 °F 75% 29.96 in 10.0 mi SW 3.5 mph - N/A   Overcast
7:53 AM 55.9 °F 48.0 °F 75% 29.96 in 10.0 mi SSW 9.2 mph - N/A   Overcast
8:53 AM 57.0 °F 48.0 °F 72% 29.98 in 10.0 mi SSW 12.7 mph - N/A   Overcast
9:53 AM 57.0 °F 48.0 °F 72% 29.99 in 10.0 mi SSW 9.2 mph - N/A   Overcast
10:38 AM 57.2 °F 50.0 °F 77% 29.99 in 10.0 mi South 10.4 mph - N/A   Overcast
10:53 AM 57.0 °F 50.0 °F 77% 29.98 in 10.0 mi South 10.4 mph - N/A   Overcast
11:53 AM 60.1 °F 48.9 °F 67% 29.97 in 10.0 mi SSW 6.9 mph - N/A   Mostly Cloudy
12:53 PM 62.1 °F 48.9 °F 62% 29.96 in 10.0 mi South 8.1 mph - N/A   Overcast
1:53 PM 62.1 °F 48.0 °F 60% 29.94 in 10.0 mi SSW 6.9 mph - N/A   Overcast
2:53 PM 63.0 °F 48.9 °F 60% 29.92 in 10.0 mi South 10.4 mph - N/A   Overcast
3:53 PM 60.1 °F 52.0 °F 75% 29.91 in 10.0 mi WSW 9.2 mph - 0.00 in Rain Light Rain
4:53 PM 61.0 °F 52.0 °F 72% 29.90 in 10.0 mi WSW 3.5 mph - 0.00 in   Overcast
5:53 PM 60.1 °F 55.0 °F 83% 29.89 in 10.0 mi South 3.5 mph - 0.10 in   Overcast
6:53 PM 62.1 °F 54.0 °F 75% 29.88 in 10.0 mi South 10.4 mph - N/A   Mostly Cloudy
7:53 PM 61.0 °F 52.0 °F 72% 29.86 in 10.0 mi South 10.4 mph - N/A   Mostly Cloudy
8:53 PM 61.0 °F 52.0 °F 72% 29.86 in 10.0 mi South 8.1 mph - N/A   Mostly Cloudy
9:53 PM 60.1 °F 52.0 °F 75% 29.87 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy
10:53 PM 60.1 °F 50.0 °F 69% 29.88 in 10.0 mi SSW 10.4 mph - N/A   Overcast
11:53 PM 60.1 °F 50.0 °F 69% 29.88 in 10.0 mi SSE 5.8 mph - 0.00 in   Overcast