Weather History for Santa Rosa, CA

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Sunday, January 12, 2014

  Actual Average Record
Temperature  
Mean Temperature 48 °F 46 °F  
Max Temperature 63 °F 56 °F 82 °F (2009)
Min Temperature 33 °F 36 °F 25 °F (2012)
Degree Days  
Heating Degree Days 17    
Month to date heating degree days 205  
Since 1 July heating degree days 1316  
Cooling Degree Days 0    
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Moisture  
Dew Point 37 °F    
Average Humidity 67    
Maximum Humidity 100    
Minimum Humidity 34    
Precipitation  
Precipitation 0.00 in 0.27 in 1.27 in (2003)
Month to date precipitation 0.08 3.50  
Year to date precipitation 0.08 3.50  
Since 1 July precipitation 2.10 17.69  
Sea Level Pressure  
Sea Level Pressure 30.30 in    
Wind  
Wind Speed 6 mph (NNW)    
Max Wind Speed 20 mph    
Max Gust Speed 22 mph    
Visibility 6 miles    
Events Fog    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Astronomy

Jan. 12, 2014 Rise Set
Actual Time 7:28 AM PST 5:11 PM PST
Civil Twilight 6:58 AM PST 5:40 PM PST
Nautical Twilight 6:26 AM PST 6:13 PM PST
Astronomical Twilight 5:54 AM PST 6:45 PM PST
Moon 2:43 PM PST (1/12) 4:31 AM PST (1/12)
Length of Visible Light 10h 41m
Length of Day
9h 43m
Waxing Gibbous, 90% of the Moon is Illuminated
Jan 12
Waxing Gibbous
Jan 15
Full
Jan 23
Last Quarter
Jan 30
New
Feb 6
First Quarter

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:04 AM 37.0 °F 34.5 °F 37.0 °F 100% 30.28 in 0.2 mi West 3.5 mph - N/A Fog Fog
12:14 AM 37.0 °F 33.3 °F 37.0 °F 100% 30.28 in 0.5 mi West 4.6 mph - N/A Fog Fog
12:20 AM 36.0 °F 33.3 °F 36.0 °F 100% 30.28 in 0.2 mi West 3.5 mph - N/A Fog Fog
12:41 AM 37.0 °F - 37.0 °F 100% 30.28 in 0.5 mi Calm Calm - N/A Fog Fog
12:51 AM 37.4 °F 34.9 °F 37.4 °F 100% 30.28 in 0.2 mi East 3.5 mph - N/A Fog Fog
12:53 AM 37.9 °F 35.5 °F 37.0 °F 97% 30.27 in 0.2 mi East 3.5 mph - N/A Fog Fog
1:49 AM 37.4 °F - 37.4 °F 100% 30.28 in 0.2 mi Calm Calm - N/A Fog Fog
1:53 AM 37.9 °F 35.5 °F 37.9 °F 100% 30.27 in 0.5 mi WSW 3.5 mph - N/A Fog Fog
1:58 AM 37.9 °F 34.4 °F 37.9 °F 100% 30.29 in 1.0 mi West 4.6 mph - N/A   Mist
2:04 AM 37.0 °F - 36.0 °F 96% 30.28 in 0.8 mi Calm Calm - N/A   Mist
2:12 AM 37.0 °F - 36.0 °F 96% 30.28 in 1.0 mi Calm Calm - N/A   Mist
2:29 AM 36.0 °F - 36.0 °F 100% 30.29 in 0.5 mi Calm Calm - N/A Fog Fog
2:41 AM 37.0 °F 34.5 °F 36.0 °F 96% 30.27 in 1.2 mi WSW 3.5 mph - N/A   Partly Cloudy
2:49 AM 35.6 °F 31.7 °F 35.6 °F 100% 30.27 in 3.0 mi West 4.6 mph - N/A   Partly Cloudy
2:53 AM 37.0 °F 33.3 °F 36.0 °F 96% 30.26 in 3.0 mi West 4.6 mph - N/A   Partly Cloudy
3:28 AM 35.1 °F - 35.1 °F 100% 30.27 in 1.5 mi Calm Calm - N/A   Clear
3:49 AM 35.6 °F 32.8 °F 33.8 °F 93% 30.28 in 0.8 mi NNE 3.5 mph - N/A   Clear
3:53 AM 35.1 °F 32.2 °F 35.1 °F 100% 30.26 in 0.8 mi NNE 3.5 mph - N/A   Clear
4:01 AM 36.0 °F 32.1 °F 36.0 °F 100% 30.28 in 2.0 mi NNE 4.6 mph - N/A   Clear
4:08 AM 36.0 °F 33.3 °F 36.0 °F 100% 30.28 in 9.0 mi NNE 3.5 mph - N/A   Clear
4:53 AM 34.0 °F 31.0 °F 34.0 °F 100% 30.28 in 6.0 mi SSW 3.5 mph - N/A   Clear
5:53 AM 37.9 °F 35.5 °F 37.0 °F 97% 30.30 in 10.0 mi NE 3.5 mph - N/A   Clear
6:53 AM 41.0 °F 38.0 °F 39.0 °F 93% 30.30 in 10.0 mi NW 4.6 mph - N/A   Overcast
6:58 AM 39.9 °F 37.8 °F 39.0 °F 97% 30.32 in 10.0 mi NNE 3.5 mph - N/A   Overcast
7:53 AM 39.0 °F 35.7 °F 37.0 °F 93% 30.34 in 10.0 mi NW 4.6 mph - N/A   Mostly Cloudy
8:53 AM 41.0 °F - 39.0 °F 93% 30.36 in 10.0 mi Calm Calm - N/A   Scattered Clouds
9:53 AM 48.9 °F - 43.0 °F 80% 30.39 in 10.0 mi NNE 3.5 mph - N/A   Scattered Clouds
10:53 AM 53.1 °F - 42.1 °F 66% 30.38 in 10.0 mi North 8.1 mph - N/A   Clear
11:53 AM 57.0 °F - 37.9 °F 49% 30.37 in 10.0 mi North 8.1 mph - N/A   Partly Cloudy
12:53 PM 57.9 °F - 36.0 °F 44% 30.33 in 10.0 mi NNW 9.2 mph - N/A   Clear
1:53 PM 61.0 °F - 34.0 °F 36% 30.31 in 10.0 mi North 9.2 mph - N/A   Clear
2:53 PM 63.0 °F - 34.0 °F 34% 30.30 in 10.0 mi NNW 8.1 mph - N/A   Clear
3:53 PM 61.0 °F - 33.1 °F 35% 30.31 in 10.0 mi NNW 10.4 mph - N/A   Clear
4:53 PM 57.9 °F - 36.0 °F 44% 30.32 in 10.0 mi NNW 10.4 mph - N/A   Clear
5:53 PM 55.0 °F - 37.0 °F 51% 30.32 in 10.0 mi North 5.8 mph - N/A   Clear
6:53 PM 52.0 °F - 37.9 °F 59% 30.32 in 10.0 mi Calm Calm - N/A   Clear
7:53 PM 53.1 °F - 39.9 °F 61% 30.32 in 10.0 mi North 15.0 mph - N/A   Clear
8:53 PM 51.1 °F - 39.0 °F 63% 30.31 in 10.0 mi NNE 5.8 mph - N/A   Clear
9:53 PM 50.0 °F - 39.0 °F 66% 30.33 in 10.0 mi ENE 6.9 mph - N/A   Clear
10:53 PM 46.9 °F - 39.0 °F 74% 30.34 in 10.0 mi NNW 5.8 mph - N/A   Clear
11:53 PM 50.0 °F - 39.0 °F 66% 30.33 in 10.0 mi WNW 3.5 mph - N/A   Clear