Weather History for Santa Rosa, CA

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Thursday, December 12, 2013

  Actual Average Record
Temperature  
Mean Temperature 42 °F 46 °F  
Max Temperature 60 °F 56 °F 60 °F (2013)
Min Temperature 24 °F 37 °F 24 °F (2013)
Degree Days  
Heating Degree Days 23    
Month to date heating degree days 288  
Since 1 July heating degree days 851  
Cooling Degree Days 0    
Month to date cooling degree days 0  
Year to date cooling degree days 415  
Moisture  
Dew Point 28 °F    
Average Humidity 66    
Maximum Humidity 100    
Minimum Humidity 32    
Precipitation  
Precipitation 0.00 in 0.21 in 0.63 in (2009)
Month to date precipitation 0.41 2.09  
Year to date precipitation 8.54 31.34  
Since 1 July precipitation 2.02 9.25  
Sea Level Pressure  
Sea Level Pressure 30.21 in    
Wind  
Wind Speed 2 mph (NW)    
Max Wind Speed 8 mph    
Max Gust Speed 10 mph    
Visibility 6 miles    
Events Fog    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Dec. 12, 2013 Rise Set
Actual Time 7:19 AM PST 4:50 PM PST
Civil Twilight 6:49 AM PST 5:20 PM PST
Nautical Twilight 6:16 AM PST 5:53 PM PST
Astronomical Twilight 5:44 AM PST 6:25 PM PST
Moon 1:58 PM PST (12/12) 2:50 AM PST (12/12)
Length of Visible Light 10h 30m
Length of Day
9h 31m
Waxing Gibbous, 81% of the Moon is Illuminated
Dec 12
Waxing Gibbous
Dec 17
Full
Dec 25
Last Quarter
Jan 1
New
Jan 7
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 28.9 °F - 27.0 °F 92% 30.20 in 6.0 mi Calm Calm - N/A   Clear
1:53 AM 28.9 °F - 26.1 °F 89% 30.20 in 4.0 mi Calm Calm - N/A   Clear
2:53 AM 27.0 °F - 25.0 °F 92% 30.21 in 5.0 mi Calm Calm - N/A   Clear
3:29 AM 27.0 °F - 26.1 °F 96% 30.23 in 1.8 mi Calm Calm - N/A   Clear
3:39 AM 28.0 °F - 27.0 °F 96% 30.22 in 0.5 mi Calm Calm - N/A Fog Light Freezing Fog
3:45 AM 28.9 °F - 28.0 °F 96% 30.22 in 2.0 mi Calm Calm - N/A   Clear
3:53 AM 26.1 °F - 26.1 °F 100% 30.21 in 4.0 mi Calm Calm - N/A   Clear
4:01 AM 26.1 °F 21.9 °F 25.0 °F 96% 30.22 in 0.8 mi NNW 3.5 mph - N/A   Clear
4:11 AM 27.0 °F 23.0 °F 25.0 °F 92% 30.22 in 2.0 mi NNW 3.5 mph - N/A   Clear
4:18 AM 26.1 °F - 25.0 °F 96% 30.22 in 5.0 mi Calm Calm - N/A   Clear
4:53 AM 26.1 °F - 24.1 °F 92% 30.20 in 5.0 mi Calm Calm - N/A   Clear
5:28 AM 26.1 °F - 24.1 °F 92% 30.22 in 2.0 mi Calm Calm - N/A   Clear
5:40 AM 26.1 °F - 24.1 °F 92% 30.22 in 0.8 mi Calm Calm - N/A   Clear
5:53 AM 27.0 °F - 24.1 °F 89% 30.21 in 0.8 mi Calm Calm - N/A   Clear
6:03 AM 26.1 °F - 24.1 °F 92% 30.22 in 2.5 mi Calm Calm - N/A   Clear
6:10 AM 24.1 °F - 23.0 °F 96% 30.22 in 6.0 mi Calm Calm - N/A   Partly Cloudy
6:16 AM 25.0 °F - 23.0 °F 92% 30.23 in 1.5 mi Calm Calm - N/A   Partly Cloudy
6:26 AM 26.1 °F 19.4 °F 24.1 °F 92% 30.23 in 4.0 mi NW 5.8 mph - N/A   Clear
6:53 AM 24.1 °F 19.7 °F 23.0 °F 96% 30.23 in 7.0 mi Variable 3.5 mph - N/A Fog Patches of Fog
7:53 AM 27.0 °F - 25.0 °F 92% 30.25 in 7.0 mi Calm Calm - N/A Fog Patches of Fog
8:53 AM 30.9 °F 27.5 °F 28.9 °F 92% 30.26 in 10.0 mi NW 3.5 mph - N/A   Clear
9:53 AM 41.0 °F - 33.1 °F 73% 30.26 in 10.0 mi Calm Calm - N/A   Clear
10:53 AM 46.0 °F - 33.1 °F 61% 30.24 in 10.0 mi Calm Calm - N/A   Clear
11:53 AM 51.1 °F - 32.0 °F 48% 30.21 in 10.0 mi Calm Calm - N/A   Clear
12:53 PM 54.0 °F - 32.0 °F 43% 30.19 in 10.0 mi Calm Calm - N/A   Partly Cloudy
1:53 PM 57.0 °F - 30.0 °F 36% 30.17 in 10.0 mi Calm Calm - N/A   Partly Cloudy
2:53 PM 60.1 °F - 30.0 °F 32% 30.15 in 10.0 mi SE 5.8 mph - N/A   Clear
3:53 PM 57.9 °F - 30.0 °F 35% 30.16 in 10.0 mi SE 3.5 mph - N/A   Scattered Clouds
4:53 PM 54.0 °F - 28.9 °F 38% 30.16 in 10.0 mi Calm Calm - N/A   Scattered Clouds
5:53 PM 48.9 °F - 30.0 °F 48% 30.17 in 10.0 mi Calm Calm - N/A   Clear
6:53 PM 44.1 °F 40.8 °F 32.0 °F 63% 30.18 in 10.0 mi ESE 5.8 mph - N/A   Clear
7:53 PM 39.0 °F 35.7 °F 30.9 °F 73% 30.19 in 10.0 mi WNW 4.6 mph - N/A   Clear
8:53 PM 39.9 °F - 33.1 °F 77% 30.21 in 10.0 mi Calm Calm - N/A   Clear
9:53 PM 37.0 °F 34.5 °F 30.9 °F 79% 30.22 in 10.0 mi NW 3.5 mph - N/A   Clear
10:53 PM 34.0 °F 29.8 °F 32.0 °F 92% 30.23 in 10.0 mi NW 4.6 mph - N/A   Clear
11:53 PM 33.1 °F 30.0 °F 30.9 °F 92% 30.22 in 10.0 mi West 3.5 mph - N/A   Clear