Santa Rosa, CA

11:30 PM PDT on March 22, 2017 (GMT -0700)
Sonoma County

Weather History for KSTS - September, 2012

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Saturday, September 8, 2012

  Actual Average Record
Temperature  
Mean Temperature 64 °F 67 °F  
Max Temperature 80 °F 84 °F 100 °F (2015)
Min Temperature 48 °F 50 °F 43 °F (2002)
Degree Days  
Heating Degree Days 1    
Month to date heating degree days 11  
Since 1 July heating degree days 49  
Cooling Degree Days 0    
Month to date cooling degree days 7  
Year to date cooling degree days 279  
Growing Degree Days 14 (Base 50)    
Moisture  
Dew Point 49 °F    
Average Humidity 66    
Maximum Humidity 96    
Minimum Humidity 36    
Precipitation  
Precipitation 0.00 in 0.01 in 0.01 in (2011)
Month to date precipitation 0.00 0.05  
Year to date precipitation 18.79 22.23  
Since 1 July precipitation 0.00  
Sea Level Pressure  
Sea Level Pressure 30.00 in    
Wind  
Wind Speed 4 mph (SSE)    
Max Wind Speed 14 mph    
Max Gust Speed 17 mph    
Visibility 8 miles    
Events Fog    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Date:

Astronomy

Sep. 08, 2012 Rise Set
Actual Time 6:47 AM PDT 7:29 PM PDT
Civil Twilight 6:20 AM PDT 7:56 PM PDT
Nautical Twilight 5:48 AM PDT 8:27 PM PDT
Astronomical Twilight 5:16 AM PDT 9:00 PM PDT
Moon No Moon Rise 2:27 PM PDT (9/8)
Length of Visible Light 13h 35m
Length of Day
12h 42m
Waning Gibbous, 48% of the Moon is Illuminated
Sep 8
Waning Gibbous
Sep 15
New
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 53.1 °F 48.0 °F 83% 30.02 in 10.0 mi SE 3.5 mph - N/A   Clear
1:53 AM 53.1 °F 48.9 °F 86% 30.02 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 52.0 °F 48.0 °F 86% 30.01 in 10.0 mi Calm Calm - N/A   Clear
3:53 AM 48.9 °F 46.0 °F 90% 30.01 in 10.0 mi West 3.5 mph - N/A   Clear
4:53 AM 50.0 °F 48.0 °F 93% 30.01 in 10.0 mi Calm Calm - N/A   Clear
5:34 AM 48.2 °F 44.6 °F 87% 30.03 in 10.0 mi Calm Calm - N/A   Scattered Clouds
5:43 AM 48.2 °F 46.4 °F 93% 30.03 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
5:53 AM 48.9 °F 46.0 °F 90% 30.01 in 10.0 mi Calm Calm - N/A   Overcast
6:27 AM 50.0 °F 46.4 °F 87% 30.03 in 10.0 mi Calm Calm - N/A   Overcast
6:40 AM 50.0 °F 48.2 °F 94% 30.04 in 1.8 mi Calm Calm - N/A   Overcast
7:00 AM 51.8 °F 50.0 °F 94% 30.04 in 0.8 mi Calm Calm - N/A   Overcast
7:53 AM 51.1 °F 48.9 °F 92% 30.04 in 0.2 mi SSE 3.5 mph - N/A Fog Fog
7:55 AM 51.8 °F 48.2 °F 88% 30.05 in 0.1 mi South 3.5 mph - N/A Fog Fog
8:05 AM 50.0 °F 48.2 °F 94% 30.06 in 0.5 mi South 4.6 mph - N/A Fog Fog
8:18 AM 50.0 °F 50.0 °F 100% 30.06 in 0.2 mi South 4.6 mph - N/A Fog Fog
8:53 AM 52.0 °F 50.0 °F 93% 30.04 in 0.2 mi South 4.6 mph - N/A Fog Fog
8:55 AM 51.8 °F 50.0 °F 94% 30.06 in 3.0 mi South 4.6 mph - N/A   Overcast
9:38 AM 53.6 °F 51.8 °F 94% 30.06 in 10.0 mi South 4.6 mph - N/A   Scattered Clouds
9:53 AM 57.9 °F 51.1 °F 78% 30.05 in 10.0 mi Variable 4.6 mph - N/A   Scattered Clouds
10:53 AM 63.0 °F 50.0 °F 63% 30.04 in 10.0 mi Calm Calm - N/A   Partly Cloudy
11:53 AM 70.0 °F 50.0 °F 49% 30.02 in 10.0 mi Variable 4.6 mph - N/A   Partly Cloudy
12:53 PM 73.9 °F 51.1 °F 45% 30.00 in 10.0 mi Variable 4.6 mph - N/A   Clear
1:53 PM 75.9 °F 50.0 °F 40% 29.98 in 10.0 mi Variable 5.8 mph - N/A   Clear
2:53 PM 79.0 °F 51.1 °F 38% 29.95 in 10.0 mi South 8.1 mph - N/A   Clear
3:53 PM 78.1 °F 51.1 °F 39% 29.93 in 10.0 mi SSE 11.5 mph - N/A   Clear
4:53 PM 75.0 °F 46.9 °F 37% 29.91 in 10.0 mi SSE 11.5 mph - N/A   Clear
5:53 PM 72.0 °F 46.9 °F 41% 29.91 in 10.0 mi SSE 11.5 mph - N/A   Clear
6:53 PM 66.9 °F 46.9 °F 49% 29.91 in 10.0 mi SSE 8.1 mph - N/A   Clear
8:53 PM 57.9 °F 48.0 °F 70% 29.94 in 10.0 mi SSE 4.6 mph - N/A   Clear
9:53 PM 55.0 °F 48.0 °F 77% 29.94 in 10.0 mi Calm Calm - N/A   Clear
10:53 PM 53.1 °F 46.9 °F 80% 29.95 in 10.0 mi Calm Calm - N/A   Clear
11:53 PM 52.0 °F 46.9 °F 83% 29.95 in 10.0 mi Calm Calm - N/A   Clear