Weather History for Santa Rosa, CA

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Saturday, October 6, 2012

  Actual Average Record
Temperature  
Mean Temperature 59 °F 63 °F  
Max Temperature 74 °F 80 °F 94 °F (2002)
Min Temperature 44 °F 46 °F 38 °F (2009)
Degree Days  
Heating Degree Days 6    
Month to date heating degree days 14  
Since 1 July heating degree days 94  
Cooling Degree Days 0    
Month to date cooling degree days 25  
Year to date cooling degree days 316  
Growing Degree Days 8 (Base 50)    
Moisture  
Dew Point 47 °F    
Average Humidity 72    
Maximum Humidity 100    
Minimum Humidity 44    
Precipitation  
Precipitation 0.00 in 0.03 in 0.08 in (2011)
Month to date precipitation 0.00 0.15  
Year to date precipitation 18.79 22.68  
Since 1 July precipitation 0.00 0.59  
Sea Level Pressure  
Sea Level Pressure 30.03 in    
Wind  
Wind Speed 3 mph (SE)    
Max Wind Speed 15 mph    
Max Gust Speed 17 mph    
Visibility 5 miles    
Events Fog    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Oct. 06, 2012 Rise Set
Actual Time 7:12 AM PDT 6:45 PM PDT
Civil Twilight 6:45 AM PDT 7:11 PM PDT
Nautical Twilight 6:15 AM PDT 7:42 PM PDT
Astronomical Twilight 5:44 AM PDT 8:13 PM PDT
Moon 11:09 PM PDT (10/6) 1:07 PM PDT (10/6)
Length of Visible Light 12h 26m
Length of Day
11h 33m
Waning Gibbous, 64% of the Moon is Illuminated
Oct 6
Waning Gibbous
Oct 8
Last Quarter
Oct 15
New
Oct 21
First Quarter
Oct 29
Full

Hourly Weather History & Observations

Time (PDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 52.0 °F - 48.9 °F 89% 30.05 in 10.0 mi NE 3.5 mph - N/A   Clear
1:53 AM 50.0 °F - 46.9 °F 89% 30.05 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 48.9 °F - 46.0 °F 90% 30.05 in 8.0 mi Calm Calm - N/A   Clear
3:02 AM 48.2 °F - 46.4 °F 93% 30.06 in 1.8 mi Calm Calm - N/A   Clear
3:09 AM 46.4 °F - 44.6 °F 93% 30.06 in 0.8 mi Calm Calm - N/A   Mist
3:20 AM 48.2 °F - 46.4 °F 93% 30.06 in 1.2 mi Calm Calm - N/A   Scattered Clouds
3:27 AM 46.4 °F - 46.4 °F 100% 30.06 in 0.8 mi Calm Calm - N/A   Mist
3:42 AM 46.4 °F - 44.6 °F 93% 30.05 in 1.2 mi Calm Calm - N/A   Partly Cloudy
3:45 AM 46.4 °F - 44.6 °F 93% 30.05 in 3.0 mi Calm Calm - N/A   Partly Cloudy
3:51 AM 46.4 °F - 44.6 °F 93% 30.05 in 1.8 mi Calm Calm - N/A   Scattered Clouds
3:53 AM 46.0 °F - 45.0 °F 96% 30.03 in 1.8 mi Calm Calm - N/A   Scattered Clouds
3:57 AM 46.4 °F - 44.6 °F 93% 30.05 in 3.0 mi Calm Calm - N/A   Scattered Clouds
4:02 AM 46.4 °F - 44.6 °F 93% 30.05 in 1.5 mi Calm Calm - N/A   Partly Cloudy
4:14 AM 44.6 °F - 42.8 °F 93% 30.05 in 3.0 mi Calm Calm - N/A   Scattered Clouds
4:29 AM 44.6 °F - 42.8 °F 93% 30.05 in 2.5 mi Calm Calm - N/A   Mostly Cloudy
4:45 AM 44.6 °F - 42.8 °F 93% 30.05 in 0.5 mi Calm Calm - N/A Fog Fog
4:53 AM 45.0 °F - 44.1 °F 97% 30.03 in 0.2 mi Calm Calm - N/A Fog Fog
5:06 AM 46.4 °F - 44.6 °F 93% 30.05 in 0.5 mi Calm Calm - N/A Fog Fog
5:18 AM 44.6 °F 43.1 °F 42.8 °F 93% 30.05 in 0.5 mi North 3.5 mph - N/A Fog Fog
5:32 AM 44.6 °F - 42.8 °F 93% 30.05 in 1.0 mi Calm Calm - N/A   Overcast
5:36 AM 44.6 °F 43.1 °F 42.8 °F 93% 30.05 in 4.0 mi North 3.5 mph - N/A   Overcast
5:53 AM 46.0 °F - 44.1 °F 93% 30.03 in 4.0 mi Calm Calm - N/A   Overcast
6:53 AM 46.9 °F - 45.0 °F 93% 30.04 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:53 AM 46.9 °F - 46.0 °F 97% 30.04 in 5.0 mi Calm Calm - N/A   Mostly Cloudy
8:31 AM 48.2 °F - 46.4 °F 93% 30.06 in 0.2 mi SSE 3.5 mph - N/A Fog Fog
8:53 AM 50.0 °F - 48.9 °F 96% 30.05 in 0.2 mi SE 3.5 mph - N/A Fog Fog
9:04 AM 50.0 °F - 48.2 °F 94% 30.06 in 0.5 mi Calm Calm - N/A Fog Fog
9:12 AM 50.0 °F - 50.0 °F 100% 30.07 in 0.5 mi Calm Calm - N/A Fog Fog
9:19 AM 51.8 °F - 50.0 °F 94% 30.07 in 0.5 mi Calm Calm - N/A Fog Fog
9:41 AM 51.8 °F - 50.0 °F 94% 30.07 in 2.0 mi SSE 4.6 mph - N/A   Overcast
9:53 AM 52.0 °F - 50.0 °F 93% 30.05 in 2.0 mi SE 3.5 mph - N/A   Overcast
10:00 AM 53.6 °F - 50.0 °F 88% 30.06 in 9.0 mi SE 5.8 mph - N/A   Overcast
10:26 AM 55.4 °F - 51.8 °F 88% 30.06 in 10.0 mi SSE 4.6 mph - N/A   Haze
10:53 AM 59.0 °F - 51.1 °F 75% 30.04 in 10.0 mi SE 4.6 mph - N/A   Scattered Clouds
11:53 AM 66.0 °F - 51.1 °F 59% 30.03 in 10.0 mi South 4.6 mph - N/A   Scattered Clouds
12:53 PM 70.0 °F - 51.1 °F 51% 30.01 in 10.0 mi NE 3.5 mph - N/A   Scattered Clouds
1:53 PM 71.1 °F - 50.0 °F 47% 29.98 in 10.0 mi East 3.5 mph - N/A   Scattered Clouds
2:53 PM 73.0 °F - 50.0 °F 44% 29.96 in 10.0 mi Variable 4.6 mph - N/A   Partly Cloudy
3:53 PM 73.0 °F - 50.0 °F 44% 29.94 in 10.0 mi South 5.8 mph - N/A   Partly Cloudy
4:53 PM 71.1 °F - 48.0 °F 44% 29.94 in 10.0 mi SW 8.1 mph - N/A   Clear
5:53 PM 66.0 °F - 48.0 °F 52% 29.94 in 10.0 mi WSW 10.4 mph - N/A   Clear
6:53 PM 61.0 °F - 50.0 °F 67% 29.95 in 10.0 mi SSE 3.5 mph - N/A   Clear
7:53 PM 57.9 °F - 50.0 °F 75% 29.95 in 10.0 mi SSE 4.6 mph - N/A   Clear
9:53 PM 53.1 °F - 50.0 °F 89% 29.96 in 10.0 mi SE 4.6 mph - N/A   Clear
10:53 PM 53.1 °F - 50.0 °F 89% 29.96 in 10.0 mi SE 3.5 mph - N/A   Clear
11:53 PM 50.0 °F - 48.0 °F 93% 29.96 in 10.0 mi Calm Calm - N/A   Clear