Weather History for Santa Rosa, CA

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Monday, January 20, 2014

  Actual Average Record
Temperature  
Mean Temperature 49 °F 47 °F  
Max Temperature 70 °F 57 °F 66 °F (2011)
Min Temperature 27 °F 37 °F 27 °F (2013)
Degree Days  
Heating Degree Days 16    
Month to date heating degree days 333  
Since 1 July heating degree days 1444  
Cooling Degree Days 0    
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Moisture  
Dew Point 30 °F    
Average Humidity 61    
Maximum Humidity 100    
Minimum Humidity 22    
Precipitation  
Precipitation 0.00 in 0.18 in 2.77 in (2012)
Month to date precipitation 0.08 5.15  
Year to date precipitation 0.08 5.15  
Since 1 July precipitation 2.10 19.34  
Sea Level Pressure  
Sea Level Pressure 30.15 in    
Wind  
Wind Speed 2 mph (South)    
Max Wind Speed 8 mph    
Max Gust Speed 10 mph    
Visibility 10 miles    
Events      
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. 20, 2014 Rise Set
Actual Time 7:25 AM PST 5:20 PM PST
Civil Twilight 6:56 AM PST 5:48 PM PST
Nautical Twilight 6:24 AM PST 6:21 PM PST
Astronomical Twilight 5:52 AM PST 6:52 PM PST
Moon 9:56 PM PST (1/20) 9:31 AM PST (1/20)
Length of Visible Light 10h 52m
Length of Day
9h 54m
Waning Gibbous, 82% of the Moon is Illuminated
Jan 20
Waning Gibbous
Jan 23
Last Quarter
Jan 30
New
Feb 6
First Quarter
Feb 14
Full

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 35.1 °F 32.2 °F 30.9 °F 85% 30.10 in 10.0 mi NNW 3.5 mph - N/A   Clear
1:53 AM 35.1 °F - 30.0 °F 82% 30.10 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 33.1 °F 30.0 °F 28.9 °F 85% 30.11 in 10.0 mi North 3.5 mph - N/A   Clear
3:53 AM 30.9 °F - 28.9 °F 92% 30.12 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 28.9 °F - 28.0 °F 96% 30.13 in 10.0 mi Calm Calm - N/A   Clear
5:53 AM 28.9 °F - 26.1 °F 89% 30.14 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 28.0 °F - 27.0 °F 96% 30.14 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:53 AM 28.0 °F - 26.1 °F 92% 30.15 in 10.0 mi Calm Calm - N/A   Partly Cloudy
8:53 AM 35.1 °F - 30.9 °F 85% 30.16 in 10.0 mi Calm Calm - N/A   Partly Cloudy
9:53 AM 42.1 °F - 32.0 °F 67% 30.18 in 10.0 mi Calm Calm - N/A   Partly Cloudy
10:53 AM 50.0 °F - 30.9 °F 48% 30.18 in 10.0 mi South 3.5 mph - N/A   Partly Cloudy
11:53 AM 55.9 °F - 30.9 °F 39% 30.17 in 10.0 mi SSE 3.5 mph - N/A   Partly Cloudy
12:53 PM 62.1 °F - 28.9 °F 29% 30.13 in 10.0 mi Calm Calm - N/A   Partly Cloudy
1:53 PM 66.0 °F - 28.9 °F 25% 30.11 in 10.0 mi Calm Calm - N/A   Partly Cloudy
2:53 PM 69.1 °F - 28.9 °F 22% 30.11 in 10.0 mi South 4.6 mph - N/A   Clear
3:53 PM 69.1 °F - 30.9 °F 24% 30.12 in 10.0 mi ESE 5.8 mph - N/A   Clear
4:53 PM 64.9 °F - 30.0 °F 27% 30.13 in 10.0 mi SSE 5.8 mph - N/A   Clear
5:53 PM 60.1 °F - 30.0 °F 32% 30.14 in 10.0 mi SSE 3.5 mph - N/A   Clear
6:53 PM 53.1 °F - 32.0 °F 45% 30.15 in 10.0 mi Calm Calm - N/A   Clear
7:53 PM 46.9 °F - 34.0 °F 61% 30.17 in 10.0 mi West 3.5 mph - N/A   Clear
8:53 PM 42.1 °F - 30.9 °F 65% 30.19 in 10.0 mi Calm Calm - N/A   Clear
9:53 PM 39.9 °F 37.8 °F 32.0 °F 73% 30.21 in 10.0 mi NNW 3.5 mph - N/A   Clear
10:53 PM 37.9 °F 35.5 °F 32.0 °F 79% 30.22 in 10.0 mi North 3.5 mph - N/A   Clear
11:53 PM 34.0 °F - 30.0 °F 85% 30.22 in 10.0 mi Calm Calm - N/A   Clear