Portland, OR

5:48 PM PST on December 15, 2017 (GMT -0800)
Portland International

Weather History for KPDX - December, 2013

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Sunday, December 22, 2013

  Actual Average Record
Temperature  
Mean Temperature 49 °F 40 °F  
Max Temperature 53 °F 45 °F 60 °F (1940)
Min Temperature 45 °F 35 °F 13 °F (1990)
Degree Days  
Heating Degree Days 16 25  
Month to date heating degree days 644 533  
Since 1 July heating degree days 1655 1502  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 539 424  
Moisture  
Dew Point 46 °F    
Average Humidity 89    
Maximum Humidity 100    
Minimum Humidity 77    
Precipitation  
Precipitation 0.05 in 0.17 in 1.50 in (1964)
Month to date precipitation 1.33 4.01  
Year to date precipitation 26.43 34.55  
Snow  
Snow 0.00 in - 3.40 in (2008)
Month to date snowfall 0.0  
Since 1 July snowfall 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.32 in    
Wind  
Wind Speed 5 mph (SSE)    
Max Wind Speed 10 mph    
Max Gust Speed 12 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Date:

Astronomy

Dec. 22, 2013 Rise Set
Actual Time 7:48 AM PST 4:30 PM PST
Civil Twilight 7:14 AM PST 5:04 PM PST
Nautical Twilight 6:36 AM PST 5:42 PM PST
Astronomical Twilight 6:00 AM PST 6:18 PM PST
Moon 10:02 PM PST (12/22) 10:33 AM PST (12/22)
Length of Visible Light 9h 50m
Length of Day
8h 41m
Waning Gibbous, 76% of the Moon is Illuminated
Dec 22
Waning Gibbous
Dec 25
Last Quarter
Jan 1
New
Jan 7
First Quarter
Jan 15
Full

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:05 AM 46.0 °F 43.1 °F 45.0 °F 96% 30.24 in 4.0 mi SE 5.8 mph - 0.01 in   Overcast
12:53 AM 46.0 °F 44.8 °F 45.0 °F 96% 30.25 in 4.0 mi SE 3.5 mph - 0.03 in Rain Light Rain
1:35 AM 46.0 °F 44.8 °F 44.1 °F 93% 30.25 in 6.0 mi South 3.5 mph - 0.01 in Rain Light Rain
1:53 AM 46.0 °F 43.9 °F 44.1 °F 93% 30.25 in 6.0 mi SSE 4.6 mph - 0.02 in Rain Light Rain
2:53 AM 46.0 °F 44.8 °F 44.1 °F 93% 30.26 in 10.0 mi ESE 3.5 mph - 0.01 in   Light Drizzle
3:53 AM 46.0 °F 43.9 °F 44.1 °F 93% 30.27 in 10.0 mi SE 4.6 mph - 0.00 in   Light Drizzle
4:28 AM 46.9 °F - 44.1 °F 90% 30.27 in 10.0 mi Variable 4.6 mph - 0.00 in   Overcast
4:53 AM 46.9 °F - 44.1 °F 90% 30.27 in 10.0 mi South 4.6 mph - 0.00 in   Overcast
5:09 AM 46.9 °F - 44.1 °F 90% 30.27 in 10.0 mi South 5.8 mph - N/A   Overcast
5:53 AM 46.9 °F - 44.1 °F 90% 30.28 in 10.0 mi South 3.5 mph - N/A   Overcast
6:29 AM 46.9 °F - 44.1 °F 90% 30.27 in 10.0 mi South 4.6 mph - N/A   Overcast
6:53 AM 48.0 °F - 44.1 °F 86% 30.27 in 10.0 mi South 5.8 mph - N/A   Overcast
7:53 AM 48.0 °F - 44.1 °F 86% 30.29 in 10.0 mi Variable 5.8 mph - N/A   Overcast
8:02 AM 48.0 °F - 44.1 °F 86% 30.30 in 10.0 mi SW 8.1 mph - N/A   Overcast
8:10 AM 48.0 °F - 44.1 °F 86% 30.30 in 10.0 mi SW 4.6 mph - N/A   Overcast
8:53 AM 48.0 °F - 45.0 °F 89% 30.32 in 10.0 mi South 5.8 mph - N/A   Overcast
9:53 AM 48.9 °F - 46.0 °F 90% 30.34 in 10.0 mi Variable 3.5 mph - N/A   Overcast
10:53 AM 50.0 °F - 46.0 °F 86% 30.36 in 10.0 mi SSW 5.8 mph - 0.00 in   Light Drizzle
11:53 AM 51.1 °F - 46.0 °F 83% 30.35 in 10.0 mi SSW 8.1 mph - 0.00 in   Overcast
12:42 PM 51.1 °F - 46.9 °F 86% 30.35 in 10.0 mi SSW 6.9 mph - N/A   Overcast
12:53 PM 51.1 °F - 46.9 °F 86% 30.35 in 10.0 mi SSW 5.8 mph - N/A   Overcast
1:53 PM 52.0 °F - 46.9 °F 83% 30.35 in 10.0 mi SSW 5.8 mph - N/A   Overcast
2:53 PM 53.1 °F - 46.9 °F 80% 30.35 in 10.0 mi Calm Calm - N/A   Overcast
3:20 PM 53.1 °F - 46.9 °F 80% 30.35 in 10.0 mi SSE 5.8 mph - N/A   Overcast
3:53 PM 52.0 °F - 46.9 °F 83% 30.36 in 10.0 mi SSE 4.6 mph - N/A   Mostly Cloudy
4:53 PM 50.0 °F - 46.0 °F 86% 30.36 in 10.0 mi SSE 4.6 mph - N/A   Mostly Cloudy
5:20 PM 48.0 °F - 46.0 °F 93% 30.36 in 10.0 mi East 5.8 mph - N/A   Mostly Cloudy
5:50 PM 46.4 °F 42.9 °F 46.4 °F 100% 30.36 in 10.0 mi East 6.9 mph - N/A   Mostly Cloudy
5:53 PM 46.9 °F - 46.0 °F 97% 30.36 in 10.0 mi East 6.9 mph - N/A   Mostly Cloudy
6:53 PM 48.0 °F - 46.9 °F 96% 30.36 in 10.0 mi ESE 6.9 mph - N/A   Overcast
7:30 PM 48.0 °F - 46.9 °F 96% 30.36 in 10.0 mi ESE 3.5 mph - N/A   Mostly Cloudy
7:53 PM 48.9 °F - 46.9 °F 93% 30.36 in 10.0 mi East 3.5 mph - N/A   Mostly Cloudy
8:53 PM 48.0 °F - 46.9 °F 96% 30.36 in 9.0 mi East 6.9 mph - N/A   Mostly Cloudy
9:04 PM 48.0 °F - 46.0 °F 93% 30.36 in 10.0 mi ESE 5.8 mph - N/A   Mostly Cloudy
9:53 PM 48.0 °F - 46.9 °F 96% 30.36 in 10.0 mi ESE 6.9 mph - N/A   Mostly Cloudy
10:53 PM 48.9 °F - 46.9 °F 93% 30.35 in 10.0 mi ESE 5.8 mph - N/A   Overcast
11:53 PM 46.0 °F 42.5 °F 45.0 °F 96% 30.35 in 9.0 mi East 6.9 mph - N/A   Overcast