Weather History for KSEA - January, 2014

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Friday, January 3, 2014

  Actual Average Record
Temperature  
Mean Temperature 43 °F 41 °F  
Max Temperature 48 °F 46 °F 58 °F (1984)
Min Temperature 37 °F 36 °F 6 °F (1950)
Degree Days  
Heating Degree Days 22 24  
Month to date heating degree days 63 72  
Since 1 July heating degree days 1863 2010  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 35 °F    
Average Humidity 73    
Maximum Humidity 85    
Minimum Humidity 60    
Precipitation  
Precipitation 0.06 in 0.19 in 1.01 in (1978)
Month to date precipitation 0.22 0.55  
Year to date precipitation 0.22 0.55  
Snow  
Snow 0.00 in - 2.60 in (1952)
Month to date snowfall 0.0  
Since 1 July snowfall 1.1  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.22 in    
Wind  
Wind Speed 6 mph (SSE)    
Max Wind Speed 14 mph    
Max Gust Speed 16 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jan. 03, 2014 Rise Set
Actual Time 7:56 AM PST 4:31 PM PST
Civil Twilight 7:21 AM PST 5:06 PM PST
Nautical Twilight 6:42 AM PST 5:45 PM PST
Astronomical Twilight 6:05 AM PST 6:22 PM PST
Moon 9:13 AM PST (1/3) 8:01 PM PST (1/3)
Length of Visible Light 9h 45m
Length of Day
8h 34m
Waxing Crescent, 8% of the Moon is Illuminated
Jan 3
Waxing Crescent
Jan 7
First Quarter
Jan 15
Full
Jan 23
Last Quarter
Jan 30
New

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:32 AM 46.4 °F 42.9 °F 42.8 °F 87% 30.01 in 4.0 mi WSW 6.9 mph - 0.01 in Rain Light Rain
12:53 AM 46.0 °F - 41.0 °F 83% 30.05 in 8.0 mi Calm Calm - 0.03 in Rain Light Rain
1:07 AM 46.4 °F 44.3 °F 41.0 °F 81% 30.02 in 10.0 mi ENE 4.6 mph - 0.00 in Rain Light Rain
1:53 AM 45.0 °F 40.6 °F 39.0 °F 80% 30.09 in 10.0 mi SE 8.1 mph - 0.00 in   Overcast
2:53 AM 44.1 °F 38.1 °F 39.0 °F 82% 30.13 in 10.0 mi SSW 11.5 mph - N/A   Overcast
3:25 AM 44.6 °F 40.7 °F 37.4 °F 76% 30.12 in 10.0 mi South 6.9 mph - N/A   Overcast
3:53 AM 43.0 °F 38.2 °F 37.9 °F 82% 30.14 in 10.0 mi SSE 8.1 mph - N/A   Overcast
4:53 AM 41.0 °F 35.2 °F 36.0 °F 82% 30.15 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
5:13 AM 41.0 °F 35.2 °F 35.6 °F 81% 30.13 in 10.0 mi South 9.2 mph - N/A   Scattered Clouds
5:53 AM 39.0 °F 32.8 °F 34.0 °F 82% 30.16 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
6:30 AM 41.0 °F 36.4 °F 35.6 °F 81% 30.15 in 10.0 mi SSW 6.9 mph - N/A   Mostly Cloudy
6:53 AM 39.9 °F 35.1 °F 35.1 °F 83% 30.18 in 10.0 mi SSE 6.9 mph - N/A   Mostly Cloudy
7:24 AM 39.2 °F 34.2 °F 35.6 °F 87% 30.16 in 10.0 mi South 6.9 mph - N/A   Mostly Cloudy
7:53 AM 37.9 °F 30.9 °F 33.1 °F 83% 30.19 in 10.0 mi South 10.4 mph - N/A   Scattered Clouds
8:38 AM 39.2 °F 35.9 °F 33.8 °F 81% 30.18 in 10.0 mi South 4.6 mph - N/A   Mostly Cloudy
8:53 AM 41.0 °F 39.0 °F 34.0 °F 76% 30.20 in 10.0 mi SSE 3.5 mph - N/A   Mostly Cloudy
9:53 AM 42.1 °F 37.7 °F 35.1 °F 76% 30.22 in 10.0 mi South 6.9 mph - N/A   Mostly Cloudy
10:53 AM 43.0 °F 40.3 °F 34.0 °F 71% 30.23 in 10.0 mi ESE 4.6 mph - N/A   Mostly Cloudy
11:37 AM 42.8 °F 39.3 °F 33.8 °F 70% 30.19 in 10.0 mi SSE 5.8 mph - N/A   Scattered Clouds
11:53 AM 44.1 °F 40.8 °F 34.0 °F 68% 30.22 in 10.0 mi South 5.8 mph - N/A   Scattered Clouds
12:53 PM 45.0 °F 42.6 °F 34.0 °F 65% 30.23 in 10.0 mi SE 4.6 mph - N/A   Scattered Clouds
1:53 PM 46.9 °F - 34.0 °F 61% 30.25 in 10.0 mi ESE 5.8 mph - N/A   Mostly Cloudy
2:53 PM 46.9 °F - 33.1 °F 59% 30.26 in 10.0 mi SSE 5.8 mph - N/A   Mostly Cloudy
3:53 PM 46.0 °F 43.9 °F 34.0 °F 63% 30.28 in 10.0 mi West 4.6 mph - N/A   Mostly Cloudy
4:53 PM 44.1 °F - 33.1 °F 65% 30.29 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
5:53 PM 43.0 °F 37.7 °F 35.1 °F 74% 30.32 in 10.0 mi NNE 9.2 mph - 0.01 in Rain Light Rain
6:53 PM 41.0 °F 36.4 °F 33.1 °F 73% 30.32 in 10.0 mi East 6.9 mph - 0.00 in   Scattered Clouds
7:53 PM 42.1 °F 37.7 °F 33.1 °F 70% 30.34 in 10.0 mi ENE 6.9 mph - N/A   Mostly Cloudy
8:18 PM 41.0 °F 33.5 °F 35.6 °F 81% 30.32 in 4.0 mi NNE 13.8 mph - 0.00 in Rain Rain
8:41 PM 41.0 °F - 35.6 °F 81% 30.32 in 10.0 mi Calm Calm - 0.02 in   Mostly Cloudy
8:53 PM 41.0 °F 39.0 °F 34.0 °F 76% 30.36 in 10.0 mi East 3.5 mph - 0.02 in   Mostly Cloudy
9:53 PM 39.0 °F - 34.0 °F 82% 30.37 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:53 PM 39.0 °F 34.0 °F 34.0 °F 82% 30.38 in 10.0 mi North 6.9 mph - N/A   Scattered Clouds
11:53 PM 37.9 °F - 34.0 °F 86% 30.39 in 10.0 mi Calm Calm - N/A   Scattered Clouds