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Friday, January 20, 2012

  Actual Average (KOLM) Record (KOLM)
Temperature  
Mean Temperature 38 °F 40 °F  
Max Temperature 44 °F 46 °F 59 °F (1995)
Min Temperature 32 °F 34 °F 7 °F (1954)
Degree Days  
Heating Degree Days 27 25  
Month to date heating degree days 510  
Since 1 July heating degree days 2780  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Moisture  
Dew Point 37 °F    
Average Humidity 96    
Maximum Humidity 100    
Minimum Humidity 87    
Precipitation  
Precipitation 0.38 in 0.26 in 3.05 in (1972)
Month to date precipitation 5.23  
Year to date precipitation 5.23  
Sea Level Pressure  
Sea Level Pressure 29.54 in    
Wind  
Wind Speed 3 mph (SSW)    
Max Wind Speed 13 mph    
Max Gust Speed 18 mph    
Visibility 4 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Jan. 20, 2012 Rise Set
Actual Time 7:48 AM PST 4:57 PM PST
Civil Twilight 7:15 AM PST 5:30 PM PST
Nautical Twilight 6:38 AM PST 6:08 PM PST
Astronomical Twilight 6:02 AM PST 6:44 PM PST
Moon 5:35 AM PST (1/20) 2:30 PM PST (1/20)
Length of Visible Light 10h 15m
Length of Day
9h 08m
Waning Crescent, 7% of the Moon is Illuminated
Jan 20
Waning Crescent
Jan 22
New
Jan 30
First Quarter
Feb 7
Full
Feb 14
Last Quarter

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 32.0 °F - 32.0 °F 100% 29.77 in 2.5 mi Calm Calm - N/A Rain Light Rain
12:35 AM 32.0 °F - 32.0 °F 100% 29.76 in 4.0 mi Calm Calm - N/A   Overcast
12:55 AM 32.0 °F - 32.0 °F 100% 29.77 in 3.0 mi Calm Calm - N/A   Overcast
1:15 AM 32.0 °F - 32.0 °F 100% 29.77 in 3.0 mi Calm Calm - N/A   Overcast
1:35 AM 32.0 °F - 32.0 °F 100% 29.77 in 5.0 mi Calm Calm - N/A   Overcast
1:55 AM 32.0 °F - 32.0 °F 100% 29.76 in 3.0 mi Calm Calm - 0.01 in   Overcast
2:15 AM 32.0 °F - 32.0 °F 100% 29.76 in 3.0 mi Calm Calm - N/A   Overcast
2:35 AM 33.8 °F 30.8 °F 32.0 °F 93% 29.76 in 4.0 mi WSW 3.5 mph - N/A   Overcast
2:55 AM 33.8 °F 29.6 °F 32.0 °F 93% 29.75 in 3.0 mi SSW 4.6 mph - N/A   Overcast
3:15 AM 33.8 °F 29.6 °F 33.8 °F 100% 29.76 in 4.0 mi SSW 4.6 mph - N/A   Overcast
3:35 AM 33.8 °F 30.8 °F 33.8 °F 100% 29.75 in 4.0 mi SSW 3.5 mph - 0.01 in   Overcast
3:55 AM 33.8 °F 29.6 °F 33.8 °F 100% 29.74 in 3.0 mi SW 4.6 mph - 0.02 in   Overcast
4:15 AM 35.6 °F 31.7 °F 33.8 °F 93% 29.73 in 4.0 mi SW 4.6 mph - 0.01 in   Overcast
4:35 AM 35.6 °F 31.7 °F 33.8 °F 93% 29.73 in 4.0 mi SW 4.6 mph - 0.01 in   Overcast
4:55 AM 35.6 °F 31.7 °F 33.8 °F 93% 29.72 in 4.0 mi SW 4.6 mph - 0.02 in   Overcast
5:15 AM 35.6 °F 31.7 °F 35.6 °F 100% 29.72 in 5.0 mi SW 4.6 mph - N/A   Overcast
5:35 AM 35.6 °F 31.7 °F 33.8 °F 93% 29.72 in 5.0 mi SSW 4.6 mph - N/A   Overcast
5:55 AM 35.6 °F 31.7 °F 33.8 °F 93% 29.71 in 5.0 mi SSW 4.6 mph - 0.01 in   Overcast
6:15 AM 35.6 °F 31.7 °F 35.6 °F 100% 29.71 in 4.0 mi SW 4.6 mph - N/A Rain Light Rain
6:35 AM 35.6 °F 31.7 °F 35.6 °F 100% 29.69 in 4.0 mi SSW 4.6 mph - N/A Rain Light Rain
6:55 AM 35.6 °F 30.7 °F 35.6 °F 100% 29.68 in 5.0 mi SSW 5.8 mph - N/A   Overcast
7:15 AM 35.6 °F 31.7 °F 35.6 °F 100% 29.67 in 5.0 mi WSW 4.6 mph - 0.01 in   Overcast
7:35 AM 35.6 °F 31.7 °F 35.6 °F 100% 29.66 in 5.0 mi South 4.6 mph - 0.01 in   Overcast
7:55 AM 37.4 °F - 35.6 °F 93% 29.66 in 3.0 mi Calm Calm - 0.01 in   Overcast
8:15 AM 35.6 °F 31.7 °F 35.6 °F 100% 29.65 in 5.0 mi SSW 4.6 mph - N/A   Overcast
8:35 AM 35.6 °F 32.8 °F 35.6 °F 100% 29.64 in 1.5 mi SW 3.5 mph - N/A Rain Light Rain
8:55 AM 35.6 °F 31.7 °F 35.6 °F 100% 29.63 in 2.0 mi SSW 4.6 mph - N/A   Overcast
9:15 AM 35.6 °F 31.7 °F 35.6 °F 100% 29.62 in 1.8 mi SW 4.6 mph - N/A   Overcast
9:35 AM 35.6 °F 31.7 °F 35.6 °F 100% 29.61 in 2.5 mi SW 4.6 mph - N/A   Overcast
9:55 AM 37.4 °F 33.8 °F 35.6 °F 93% 29.61 in 2.5 mi SSW 4.6 mph - N/A   Overcast
10:15 AM 37.4 °F 34.9 °F 35.6 °F 93% 29.60 in 3.0 mi WSW 3.5 mph - 0.01 in Rain Light Rain
10:35 AM 35.6 °F 31.7 °F 35.6 °F 100% 29.59 in 1.5 mi SW 4.6 mph - 0.01 in Rain Light Rain
10:55 AM 35.6 °F 32.8 °F 35.6 °F 100% 29.58 in 1.5 mi SSE 3.5 mph - 0.02 in Rain Light Rain
11:35 AM 37.4 °F 34.9 °F 35.6 °F 93% 29.54 in 0.8 mi SW 3.5 mph - 0.06 in Rain Light Rain
11:55 AM 37.4 °F 34.9 °F 37.4 °F 100% 29.52 in 1.2 mi WSW 3.5 mph - 0.07 in Rain Light Rain
12:15 PM 39.2 °F 37.0 °F 39.2 °F 100% 29.52 in 1.0 mi SW 3.5 mph - 0.01 in Rain Light Rain
12:35 PM 39.2 °F 37.0 °F 39.2 °F 100% 29.50 in 0.5 mi SSE 3.5 mph - 0.03 in Rain Light Rain
12:55 PM 41.0 °F 38.0 °F 41.0 °F 100% 29.48 in 2.5 mi South 4.6 mph - 0.05 in Rain Light Rain
1:15 PM 41.0 °F 38.0 °F 41.0 °F 100% 29.46 in 0.5 mi South 4.6 mph - 0.02 in Rain Light Rain
1:55 PM 42.8 °F 38.6 °F 42.8 °F 100% 29.41 in 4.0 mi South 6.9 mph - 0.08 in Rain Light Rain
2:15 PM 44.6 °F 39.7 °F 44.6 °F 100% 29.39 in 3.0 mi South 9.2 mph - 0.02 in Rain Light Rain
2:35 PM 44.6 °F 40.7 °F 42.8 °F 93% 29.37 in 4.0 mi South 6.9 mph - 0.05 in Rain Light Rain
2:55 PM 44.6 °F 39.7 °F 42.8 °F 93% 29.31 in 6.0 mi SSE 9.2 mph 16.1 mph 0.06 in Rain Light Rain
3:15 PM 44.6 °F 38.4 °F 42.8 °F 93% 29.32 in 10.0 mi South 12.7 mph 18.4 mph 0.01 in Rain Light Rain
3:35 PM 44.6 °F 40.7 °F 41.0 °F 87% 29.30 in 5.0 mi SSW 6.9 mph - 0.01 in Rain Light Rain
3:55 PM 44.6 °F 43.1 °F 41.0 °F 87% 29.28 in 6.0 mi South 3.5 mph - 0.01 in   Overcast
4:15 PM 44.6 °F 43.1 °F 41.0 °F 87% 29.26 in 5.0 mi SE 3.5 mph - N/A Rain Light Rain
4:35 PM 44.6 °F 39.2 °F 41.0 °F 87% 29.24 in 8.0 mi South 10.4 mph - 0.01 in Rain Light Rain
4:55 PM 42.8 °F 37.0 °F 41.0 °F 93% 29.22 in 5.0 mi South 10.4 mph - 0.01 in   Overcast
5:15 PM 42.8 °F 36.2 °F 41.0 °F 93% 29.21 in 10.0 mi South 12.7 mph - N/A   Overcast
5:35 PM 42.8 °F 38.6 °F 41.0 °F 93% 29.20 in 8.0 mi South 6.9 mph - N/A   Overcast
5:55 PM 44.6 °F 39.7 °F 41.0 °F 87% 29.18 in 5.0 mi South 9.2 mph - N/A Rain Light Rain
6:15 PM 44.6 °F 40.2 °F 41.0 °F 87% 29.16 in 10.0 mi South 8.1 mph - N/A   Overcast
6:35 PM 44.6 °F 40.7 °F 41.0 °F 87% 29.14 in 10.0 mi SSW 6.9 mph - N/A   Overcast
6:55 PM 44.6 °F 42.2 °F 41.0 °F 87% 29.14 in 9.0 mi SW 4.6 mph - N/A   Overcast
7:15 PM 44.6 °F 39.7 °F 42.8 °F 93% 29.14 in 10.0 mi South 9.2 mph - 0.01 in Rain Light Rain
7:35 PM 44.6 °F 39.7 °F 42.8 °F 93% 29.14 in 6.0 mi South 9.2 mph - 0.02 in Rain Light Rain
7:55 PM 44.6 °F 40.7 °F 44.6 °F 100% 29.13 in 10.0 mi South 6.9 mph - 0.03 in   Overcast
8:15 PM 44.6 °F 38.1 °F 44.6 °F 100% 29.13 in 7.0 mi South 13.8 mph 17.3 mph 0.01 in Rain Light Rain
8:35 PM 46.4 °F 41.1 °F 44.6 °F 93% 29.13 in 9.0 mi South 11.5 mph - 0.01 in   Mostly Cloudy
8:55 PM 46.4 °F 41.9 °F 44.6 °F 93% 29.12 in 8.0 mi South 9.2 mph 16.1 mph 0.01 in   Mostly Cloudy
9:15 PM 44.6 °F 39.7 °F 44.6 °F 100% 29.12 in 5.0 mi South 9.2 mph - 0.01 in Rain Light Rain
9:35 PM 44.6 °F 38.8 °F 44.6 °F 100% 29.12 in 5.0 mi South 11.5 mph 18.4 mph 0.01 in   Overcast
9:55 PM 44.6 °F 38.8 °F 44.6 °F 100% 29.11 in 6.0 mi South 11.5 mph 17.3 mph 0.03 in Rain Light Rain
10:15 PM 44.6 °F 39.7 °F 44.6 °F 100% 29.10 in 5.0 mi South 9.2 mph - 0.01 in Rain Light Rain
10:35 PM 44.6 °F 40.7 °F 44.6 °F 100% 29.09 in 8.0 mi South 6.9 mph - 0.02 in Rain Light Rain
10:55 PM 44.6 °F 39.7 °F 44.6 °F 100% 29.09 in 7.0 mi South 9.2 mph - 0.04 in Rain Light Rain
11:15 PM 46.4 °F 42.4 °F 44.6 °F 93% 29.08 in 5.0 mi South 8.1 mph - 0.01 in Rain Light Rain
11:35 PM 44.6 °F 39.7 °F 44.6 °F 100% 29.08 in 7.0 mi South 9.2 mph - 0.02 in Rain Light Rain