Weather History for Portland Hillsboro, OR

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Saturday, December 22, 2012

  Actual Average Record
Temperature  
Mean Temperature 43 °F 38 °F  
Max Temperature 46 °F 44 °F 61 °F (1940)
Min Temperature 40 °F 31 °F 6 °F (1990)
Degree Days  
Heating Degree Days 22 27  
Month to date heating degree days 497 576  
Since 1 July heating degree days 1604 1877  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 232 198  
Moisture  
Dew Point 38 °F    
Average Humidity 88    
Maximum Humidity 100    
Minimum Humidity 76    
Precipitation  
Precipitation 0.23 in 0.22 in 1.70 in (1936)
Month to date precipitation 6.24 4.69  
Year to date precipitation 41.77 37.85  
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 29.63 in    
Wind  
Wind Speed 10 mph (South)    
Max Wind Speed 23 mph    
Max Gust Speed 35 mph    
Visibility 9 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 22, 2012 Rise Set
Actual Time 7:49 AM PST 4:31 PM PST
Civil Twilight 7:15 AM PST 5:06 PM PST
Nautical Twilight 6:37 AM PST 5:43 PM PST
Astronomical Twilight 6:01 AM PST 6:19 PM PST
Moon 1:00 PM PST (12/22) 2:31 AM PST (12/22)
Length of Visible Light 9h 50m
Length of Day
8h 42m
Waxing Gibbous, 74% of the Moon is Illuminated
Dec 22
Waxing Gibbous
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First 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 39.9 °F 36.7 °F 39.0 °F 97% 29.61 in 9.0 mi Variable 4.6 mph - 0.01 in Rain Light Rain
1:53 AM 39.9 °F - 39.0 °F 97% 29.59 in 9.0 mi Calm Calm - 0.01 in Rain Light Rain
2:53 AM 39.9 °F - 39.0 °F 97% 29.58 in 5.0 mi Calm Calm - 0.01 in Rain Light Rain
3:53 AM 39.9 °F - 39.0 °F 97% 29.55 in 5.0 mi Calm Calm - 0.01 in Rain Light Rain
4:53 AM 39.9 °F - 39.0 °F 97% 29.57 in 4.0 mi Calm Calm - 0.03 in Rain Light Rain
5:26 AM 39.9 °F - 39.0 °F 97% 29.54 in 2.5 mi Calm Calm - 0.03 in Rain Light Rain
5:45 AM 39.9 °F - 39.0 °F 97% 29.54 in 4.0 mi Calm Calm - 0.04 in Rain Light Rain
5:53 AM 39.9 °F 35.8 °F 39.0 °F 97% 29.55 in 5.0 mi East 5.8 mph - 0.04 in Rain Light Rain
6:53 AM 39.9 °F - 39.0 °F 97% 29.55 in 8.0 mi Calm Calm - 0.01 in Rain Light Rain
7:53 AM 41.0 °F 35.8 °F 39.0 °F 93% 29.55 in 10.0 mi SSE 8.1 mph - 0.00 in   Overcast
8:41 AM 42.1 °F 34.9 °F 39.0 °F 89% 29.55 in 10.0 mi South 13.8 mph - N/A   Overcast
8:53 AM 42.1 °F 36.1 °F 37.9 °F 85% 29.56 in 10.0 mi SSE 10.4 mph - N/A   Overcast
9:02 AM 42.1 °F 37.7 °F 39.0 °F 89% 29.56 in 10.0 mi SSE 6.9 mph - N/A   Overcast
9:53 AM 43.0 °F 38.2 °F 39.0 °F 86% 29.59 in 10.0 mi SSE 8.1 mph - N/A   Overcast
10:53 AM 44.1 °F 37.7 °F 37.9 °F 79% 29.60 in 10.0 mi South 12.7 mph - N/A   Overcast
11:10 AM 45.0 °F 39.7 °F 37.9 °F 76% 29.59 in 10.0 mi South 10.4 mph 24.2 mph N/A   Overcast
11:53 AM 45.0 °F 37.9 °F 37.9 °F 76% 29.60 in 10.0 mi South 16.1 mph 34.5 mph N/A   Mostly Cloudy
12:53 PM 45.0 °F 37.4 °F 37.0 °F 74% 29.61 in 10.0 mi South 18.4 mph 28.8 mph 0.00 in Rain Light Rain
1:53 PM 46.0 °F 39.3 °F 37.9 °F 73% 29.63 in 10.0 mi South 16.1 mph 26.5 mph 0.00 in   Mostly Cloudy
2:53 PM 43.0 °F 36.0 °F 37.0 °F 80% 29.66 in 9.0 mi South 13.8 mph - 0.01 in Rain Light Rain
3:53 PM 43.0 °F 37.2 °F 37.0 °F 80% 29.68 in 10.0 mi South 10.4 mph - 0.00 in   Overcast
4:53 PM 42.1 °F 37.7 °F 37.9 °F 85% 29.69 in 9.0 mi South 6.9 mph - 0.02 in Rain Rain
5:08 PM 42.1 °F 37.1 °F 37.9 °F 85% 29.69 in 10.0 mi South 8.1 mph - 0.02 in Rain Light Rain
5:53 PM 42.1 °F 37.1 °F 37.9 °F 85% 29.70 in 10.0 mi SSE 8.1 mph - 0.03 in   Overcast
6:33 PM 41.0 °F 36.4 °F 37.9 °F 89% 29.69 in 8.0 mi SSE 6.9 mph - 0.03 in Rain Light Rain
6:53 PM 42.1 °F 37.1 °F 37.9 °F 85% 29.70 in 10.0 mi SSE 8.1 mph - 0.04 in Rain Light Rain
7:53 PM 42.1 °F 34.2 °F 37.0 °F 82% 29.73 in 10.0 mi South 16.1 mph - 0.00 in   Overcast
8:20 PM 43.0 °F 34.8 °F 37.0 °F 80% 29.73 in 10.0 mi South 18.4 mph 24.2 mph 0.00 in Rain Light Rain
8:53 PM 42.1 °F 33.6 °F 36.0 °F 79% 29.75 in 10.0 mi South 18.4 mph 27.6 mph 0.00 in   Mostly Cloudy
9:53 PM 42.1 °F 33.3 °F 36.0 °F 79% 29.76 in 10.0 mi South 19.6 mph 28.8 mph 0.00 in   Mostly Cloudy
10:53 PM 42.1 °F 34.5 °F 36.0 °F 79% 29.78 in 10.0 mi South 15.0 mph - N/A   Mostly Cloudy
11:53 PM 42.1 °F 34.5 °F 36.0 °F 79% 29.79 in 10.0 mi South 15.0 mph 20.7 mph 0.01 in Rain Light Rain