Portland, OR

11:19 AM PST on February 23, 2018 (GMT -0800)
Portland International

Weather History for KPDX - December, 2012

Change the Weather History Date:

Thursday, December 6, 2012

  Actual Average Record
Temperature  
Mean Temperature 43 °F 42 °F  
Max Temperature 49 °F 47 °F 60 °F (1988)
Min Temperature 36 °F 36 °F 22 °F (1972)
Degree Days  
Heating Degree Days 22 24  
Month to date heating degree days 100 138  
Since 1 July heating degree days 909 1107  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 436 424  
Moisture  
Dew Point 41 °F    
Average Humidity 86    
Maximum Humidity 100    
Minimum Humidity 71    
Precipitation  
Precipitation T in 0.19 in 1.12 in (1991)
Month to date precipitation 2.18 1.19  
Year to date precipitation 45.06 31.73  
Snow  
Snow 0.00 in - 2.00 in (1942)
Month to date snowfall  
Since 1 July snowfall 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.21 in    
Wind  
Wind Speed 10 mph (South)    
Max Wind Speed 18 mph    
Max Gust Speed 24 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

Search for Another Location

Airport or City:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Dec. 06, 2012 Rise Set
Actual Time 7:36 AM PST 4:26 PM PST
Civil Twilight 7:02 AM PST 5:00 PM PST
Nautical Twilight 6:25 AM PST 5:38 PM PST
Astronomical Twilight 5:49 AM PST 6:13 PM PST
Moon No Moon Rise 12:14 PM PST (12/6)
Length of Visible Light 9h 58m
Length of Day
8h 50m
Waning Gibbous, 48% of the Moon is Illuminated
Dec 6
Waning Gibbous
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 39.0 °F 36.8 °F 37.0 °F 93% 30.25 in 10.0 mi SE 3.5 mph - N/A   Partly Cloudy
1:53 AM 36.0 °F - 36.0 °F 100% 30.25 in 8.0 mi Calm Calm - N/A   Mostly Cloudy
2:53 AM 37.0 °F 33.3 °F 37.0 °F 100% 30.25 in 7.0 mi SE 4.6 mph - N/A   Mostly Cloudy
3:53 AM 41.0 °F - 37.9 °F 89% 30.24 in 10.0 mi Calm Calm - N/A   Overcast
4:53 AM 41.0 °F 38.0 °F 39.0 °F 93% 30.23 in 10.0 mi SE 4.6 mph - N/A   Overcast
5:46 AM 42.8 °F 39.3 °F 39.2 °F 87% 30.23 in 10.0 mi SSE 5.8 mph - N/A   Overcast
5:53 AM 42.1 °F 38.4 °F 39.9 °F 92% 30.23 in 10.0 mi SSE 5.8 mph - N/A   Overcast
6:53 AM 43.0 °F 39.5 °F 39.9 °F 89% 30.22 in 10.0 mi South 5.8 mph - N/A   Overcast
7:53 AM 43.0 °F 39.5 °F 39.9 °F 89% 30.22 in 10.0 mi SSW 5.8 mph - N/A   Overcast
8:53 AM 44.1 °F 38.1 °F 39.9 °F 85% 30.22 in 10.0 mi SSW 11.5 mph - N/A   Overcast
9:53 AM 45.0 °F 39.7 °F 39.9 °F 82% 30.23 in 10.0 mi South 10.4 mph - N/A   Overcast
10:53 AM 46.0 °F 39.6 °F 39.9 °F 79% 30.23 in 10.0 mi SSW 15.0 mph - N/A   Mostly Cloudy
11:53 AM 48.0 °F - 39.9 °F 74% 30.20 in 10.0 mi South 17.3 mph - N/A   Mostly Cloudy
12:49 PM 48.2 °F - 39.2 °F 71% 30.19 in 10.0 mi SSW 17.3 mph - N/A   Overcast
12:53 PM 48.0 °F - 39.0 °F 71% 30.19 in 10.0 mi SSW 13.8 mph - N/A   Overcast
1:03 PM 48.2 °F - 39.2 °F 71% 30.19 in 10.0 mi South 16.1 mph - N/A   Overcast
1:53 PM 48.0 °F - 39.9 °F 74% 30.17 in 10.0 mi SSW 17.3 mph - N/A   Overcast
2:53 PM 48.9 °F - 41.0 °F 74% 30.17 in 10.0 mi SSW 15.0 mph 21.9 mph N/A   Overcast
3:33 PM 48.2 °F - 41.0 °F 76% 30.16 in 10.0 mi SSW 12.7 mph 24.2 mph 0.00 in   Overcast
3:53 PM 48.0 °F - 42.1 °F 80% 30.17 in 10.0 mi South 15.0 mph - 0.00 in   Mostly Cloudy
4:53 PM 48.0 °F - 42.1 °F 80% 30.16 in 10.0 mi SSW 13.8 mph - N/A   Overcast
5:53 PM 46.9 °F - 43.0 °F 86% 30.17 in 10.0 mi SSW 11.5 mph - 0.00 in   Overcast
6:53 PM 46.9 °F - 43.0 °F 86% 30.18 in 10.0 mi SSW 6.9 mph - 0.00 in Rain Light Rain
7:53 PM 46.0 °F 41.0 °F 44.1 °F 93% 30.19 in 10.0 mi SSW 10.4 mph - 0.00 in Rain Light Rain
8:47 PM 46.4 °F 41.9 °F 44.6 °F 93% 30.20 in 10.0 mi SSW 9.2 mph - 0.00 in Rain Light Rain
8:53 PM 46.9 °F - 44.1 °F 90% 30.20 in 10.0 mi SSW 11.5 mph - 0.00 in Rain Light Rain
9:43 PM 46.4 °F 40.7 °F 42.8 °F 87% 30.20 in 10.0 mi SSW 12.7 mph - 0.00 in   Mostly Cloudy
9:53 PM 46.0 °F 40.2 °F 43.0 °F 89% 30.20 in 10.0 mi SSW 12.7 mph - 0.00 in   Mostly Cloudy
10:53 PM 46.0 °F 41.0 °F 43.0 °F 89% 30.21 in 10.0 mi SSW 10.4 mph - N/A   Overcast
11:45 PM 46.4 °F 41.9 °F 42.8 °F 87% 30.21 in 10.0 mi SSW 9.2 mph - 0.00 in Rain Light Rain
11:53 PM 46.0 °F 41.9 °F 43.0 °F 89% 30.21 in 10.0 mi SSW 8.1 mph - 0.00 in   Light Drizzle