Weather History for Santa Rosa, CA

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Wednesday, September 5, 2012

  Actual Average Record
Temperature  
Mean Temperature 61 °F 67 °F  
Max Temperature 72 °F 84 °F 100 °F (1955)
Min Temperature 50 °F 51 °F 43 °F (2010)
Degree Days  
Heating Degree Days 4    
Month to date heating degree days 6  
Since 1 July heating degree days 44  
Cooling Degree Days 0    
Month to date cooling degree days 7  
Year to date cooling degree days 279  
Growing Degree Days 10 (Base 50)    
Moisture  
Dew Point 50 °F    
Average Humidity 73    
Maximum Humidity 100    
Minimum Humidity 45    
Precipitation  
Precipitation 0.00 in 0.01 in 0.05 in (1952)
Month to date precipitation 0.00 0.03  
Year to date precipitation 18.79 22.21  
Since 1 July precipitation 0.00 0.12  
Sea Level Pressure  
Sea Level Pressure 29.97 in    
Wind  
Wind Speed 4 mph (South)    
Max Wind Speed 15 mph    
Max Gust Speed 17 mph    
Visibility 5 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 05, 2012 Rise Set
Actual Time 6:44 AM PDT 7:34 PM PDT
Civil Twilight 6:17 AM PDT 8:01 PM PDT
Nautical Twilight 5:45 AM PDT 8:32 PM PDT
Astronomical Twilight 5:12 AM PDT 9:05 PM PDT
Moon 10:12 PM PDT (9/5) 11:49 AM PDT (9/5)
Length of Visible Light 13h 43m
Length of Day
12h 49m
Waning Gibbous, 75% of the Moon is Illuminated
Sep 5
Waning Gibbous
Sep 8
Last Quarter
Sep 15
New
Sep 22
First Quarter
Sep 29
Full

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:01 AM 51.8 °F 51.8 °F 100% 29.99 in 1.5 mi SE 4.6 mph - N/A   Overcast
12:14 AM 51.8 °F 51.8 °F 100% 29.98 in 0.8 mi Calm Calm - N/A   Mist
12:27 AM 51.8 °F 51.8 °F 100% 29.99 in 1.0 mi SW 3.5 mph - N/A   Mist
12:53 AM 52.0 °F 51.1 °F 97% 29.97 in 1.2 mi SSW 3.5 mph - N/A   Overcast
1:24 AM 51.8 °F 51.8 °F 100% 29.99 in 2.5 mi SE 4.6 mph - N/A   Overcast
1:41 AM 51.8 °F 51.8 °F 100% 29.99 in 1.2 mi Calm Calm - N/A   Overcast
1:53 AM 52.0 °F 51.1 °F 97% 29.97 in 1.2 mi Calm Calm - N/A   Overcast
2:13 AM 51.8 °F 51.8 °F 100% 29.98 in 3.0 mi Calm Calm - N/A   Overcast
2:26 AM 51.8 °F 51.8 °F 100% 29.98 in 1.8 mi Calm Calm - N/A   Overcast
2:53 AM 52.0 °F 51.1 °F 97% 29.96 in 1.2 mi Calm Calm - N/A   Overcast
3:38 AM 51.8 °F 50.0 °F 94% 29.98 in 0.8 mi SSW 4.6 mph - N/A   Mist
3:53 AM 51.1 °F 50.0 °F 96% 29.96 in 0.8 mi SSW 3.5 mph - N/A   Mist
4:26 AM 51.8 °F 50.0 °F 94% 29.97 in 2.5 mi Calm Calm - N/A   Overcast
4:37 AM 51.8 °F 50.0 °F 94% 29.97 in 1.8 mi SSW 3.5 mph - N/A   Overcast
4:44 AM 50.0 °F 48.2 °F 94% 29.97 in 3.0 mi South 4.6 mph - N/A   Overcast
4:53 AM 50.0 °F 48.9 °F 96% 29.95 in 3.0 mi Calm Calm - N/A   Overcast
5:41 AM 51.8 °F 50.0 °F 94% 29.96 in 2.0 mi Calm Calm - N/A   Overcast
5:48 AM 51.8 °F 50.0 °F 94% 29.97 in 1.5 mi South 3.5 mph - N/A   Overcast
5:53 AM 51.1 °F 50.0 °F 96% 29.95 in 1.8 mi South 3.5 mph - N/A   Overcast
6:02 AM 50.0 °F 48.2 °F 94% 29.97 in 2.5 mi SSE 3.5 mph - N/A   Overcast
6:17 AM 50.0 °F 48.2 °F 94% 29.97 in 3.0 mi Calm Calm - N/A   Overcast
6:32 AM 50.0 °F 48.2 °F 94% 29.97 in 2.5 mi South 3.5 mph - N/A   Overcast
6:51 AM 50.0 °F 48.2 °F 94% 29.98 in 3.0 mi SSW 3.5 mph - N/A   Overcast
6:53 AM 50.0 °F 48.9 °F 96% 29.96 in 1.5 mi SSW 3.5 mph - N/A   Overcast
7:53 AM 50.0 °F 48.9 °F 96% 29.97 in 2.0 mi Calm Calm - N/A   Overcast
8:02 AM 51.8 °F 48.2 °F 88% 29.98 in 2.0 mi Calm Calm - N/A   Overcast
8:53 AM 51.1 °F 50.0 °F 96% 29.97 in 2.0 mi Calm Calm - N/A   Overcast
9:53 AM 53.1 °F 48.9 °F 86% 29.97 in 2.0 mi Calm Calm - N/A   Overcast
10:00 AM 53.6 °F 48.2 °F 82% 30.00 in 10.0 mi Calm Calm - N/A   Overcast
10:22 AM 55.4 °F 48.2 °F 77% 29.99 in 10.0 mi Calm Calm - N/A   Overcast
10:53 AM 55.0 °F 48.9 °F 80% 29.97 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:00 AM 55.4 °F 50.0 °F 82% 29.99 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:11 AM 57.2 °F 50.0 °F 77% 29.99 in 10.0 mi South 3.5 mph - N/A   Mostly Cloudy
11:53 AM 63.0 °F 50.0 °F 63% 29.98 in 10.0 mi SSE 5.8 mph - N/A   Mostly Cloudy
12:53 PM 69.1 °F 51.1 °F 53% 29.94 in 10.0 mi South 4.6 mph - N/A   Mostly Cloudy
1:53 PM 70.0 °F 52.0 °F 53% 29.94 in 10.0 mi South 11.5 mph - N/A   Scattered Clouds
3:53 PM 70.0 °F 48.9 °F 47% 29.91 in 10.0 mi South 8.1 mph - N/A   Mostly Cloudy
4:53 PM 68.0 °F 46.9 °F 47% 29.90 in 10.0 mi South 8.1 mph - N/A   Mostly Cloudy
5:53 PM 62.1 °F 48.9 °F 62% 29.91 in 10.0 mi South 8.1 mph - N/A   Clear
6:53 PM 60.1 °F 48.9 °F 67% 29.91 in 10.0 mi ESE 9.2 mph - N/A   Scattered Clouds
7:53 PM 57.9 °F 50.0 °F 75% 29.93 in 10.0 mi South 6.9 mph - N/A   Clear
8:53 PM 55.9 °F 50.0 °F 80% 29.94 in 10.0 mi East 3.5 mph - N/A   Clear
9:53 PM 54.0 °F 50.0 °F 86% 29.96 in 10.0 mi South 5.8 mph - N/A   Clear
10:49 PM 53.6 °F 48.2 °F 82% 29.98 in 10.0 mi South 5.8 mph - N/A   Partly Cloudy
10:53 PM 53.1 °F 50.0 °F 89% 29.96 in 10.0 mi South 4.6 mph - N/A   Scattered Clouds
11:20 PM 51.8 °F 48.2 °F 88% 29.98 in 10.0 mi SE 3.5 mph - N/A   Mostly Cloudy
11:53 PM 52.0 °F 48.9 °F 89% 29.96 in 10.0 mi SE 5.8 mph - N/A   Mostly Cloudy