Weather History for Santa Rosa, CA

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Thursday, August 9, 2012

  Actual Average Record
Temperature  
Mean Temperature 72 °F 67 °F  
Max Temperature 96 °F 83 °F 101 °F (2002)
Min Temperature 47 °F 51 °F 47 °F (2012)
Degree Days  
Heating Degree Days 0    
Month to date heating degree days 4  
Since 1 June heating degree days 91  
Since 1 July heating degree days 27  
Cooling Degree Days 7    
Month to date cooling degree days 25  
Year to date cooling degree days 218  
Since 1 June cooling degree days 189  
Growing Degree Days 21 (Base 50)    
Moisture  
Dew Point 50 °F    
Average Humidity 58    
Maximum Humidity 93    
Minimum Humidity 22    
Precipitation  
Precipitation 0.00 in 0.00 in 0.00 in (2014)
Month to date precipitation T 0.01  
Year to date precipitation 18.79 22.11  
Since 1 July precipitation T 0.02  
Sea Level Pressure  
Sea Level Pressure 29.85 in    
Wind  
Wind Speed 4 mph (South)    
Max Wind Speed 15 mph    
Max Gust Speed 18 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Aug. 09, 2012 Rise Set
Actual Time 6:20 AM PDT 8:11 PM PDT
Civil Twilight 5:51 AM PDT 8:40 PM PDT
Nautical Twilight 5:17 AM PDT 9:15 PM PDT
Astronomical Twilight 4:39 AM PDT 9:52 PM PDT
Moon No Moon Rise 2:00 PM PDT (8/9)
Length of Visible Light 14h 48m
Length of Day
13h 51m
Waning Gibbous, 50% of the Moon is Illuminated
Aug 9
Waning Gibbous
Aug 17
New
Aug 24
First Quarter
Aug 31
Full
Sep 8
Last Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 54.0 °F - 48.9 °F 83% 29.90 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 52.0 °F - 48.0 °F 86% 29.89 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 51.1 °F - 48.0 °F 89% 29.89 in 10.0 mi Calm Calm - N/A   Clear
3:53 AM 51.1 °F - 46.9 °F 86% 29.88 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 50.0 °F - 46.9 °F 89% 29.88 in 10.0 mi Calm Calm - N/A   Clear
5:53 AM 46.9 °F - 44.1 °F 90% 29.89 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 48.9 °F - 46.0 °F 90% 29.90 in 9.0 mi Calm Calm - N/A   Clear
7:53 AM 55.9 °F - 51.1 °F 84% 29.91 in 9.0 mi Calm Calm - N/A   Clear
8:53 AM 62.1 °F - 51.1 °F 67% 29.91 in 10.0 mi Calm Calm - N/A   Partly Cloudy
9:53 AM 70.0 °F - 51.1 °F 51% 29.91 in 10.0 mi Calm Calm - N/A   Partly Cloudy
10:53 AM 75.0 °F - 51.1 °F 43% 29.90 in 10.0 mi SSW 3.5 mph - N/A   Partly Cloudy
11:53 AM 82.9 °F - 50.0 °F 32% 29.89 in 10.0 mi South 4.6 mph - N/A   Clear
12:53 PM 87.1 °F - 51.1 °F 29% 29.87 in 10.0 mi Calm Calm - N/A   Clear
1:53 PM 93.0 °F - 52.0 °F 25% 29.84 in 10.0 mi SSW 5.8 mph - 0.00 in   Scattered Clouds
2:53 PM 96.1 °F - 51.1 °F 22% 29.83 in 10.0 mi South 10.4 mph - N/A   Scattered Clouds
3:53 PM 93.9 °F - 48.0 °F 21% 29.81 in 10.0 mi South 11.5 mph - N/A   Clear
4:53 PM 93.0 °F - 52.0 °F 25% 29.80 in 10.0 mi South 10.4 mph - N/A   Scattered Clouds
5:53 PM 84.9 °F 83.2 °F 53.1 °F 33% 29.78 in 10.0 mi SSE 10.4 mph - N/A   Clear
6:53 PM 77.0 °F - 53.1 °F 43% 29.78 in 10.0 mi South 8.1 mph - N/A   Clear
7:53 PM 72.0 °F - 51.1 °F 48% 29.78 in 10.0 mi SSE 6.9 mph - N/A   Clear
8:53 PM 64.0 °F - 51.1 °F 63% 29.80 in 10.0 mi SSE 4.6 mph - N/A   Clear
9:53 PM 61.0 °F - 51.1 °F 70% 29.81 in 10.0 mi SSE 3.5 mph - N/A   Clear
10:53 PM 59.0 °F - 50.0 °F 72% 29.81 in 10.0 mi Calm Calm - N/A   Clear
11:53 PM 57.0 °F - 48.9 °F 74% 29.81 in 10.0 mi Calm Calm - N/A   Clear