Santa Rosa, CA

6:08 PM PDT on April 28, 2017 (GMT -0700)
Sonoma County

Weather History for KSTS - September, 2012

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Friday, September 14, 2012

  Actual Average Record
Temperature  
Mean Temperature 65 °F 67 °F  
Max Temperature 79 °F 84 °F 92 °F (2004)
Min Temperature 51 °F 50 °F 46 °F (2016)
Degree Days  
Heating Degree Days 0    
Month to date heating degree days 15  
Since 1 July heating degree days 53  
Cooling Degree Days 0    
Month to date cooling degree days 10  
Year to date cooling degree days 282  
Growing Degree Days 14 (Base 50)    
Moisture  
Dew Point 51 °F    
Average Humidity 71    
Maximum Humidity 100    
Minimum Humidity 42    
Precipitation  
Precipitation 0.00 in 0.01 in 0.01 in (2015)
Month to date precipitation 0.00 0.10  
Year to date precipitation 18.79 22.28  
Since 1 July precipitation 0.00  
Sea Level Pressure  
Sea Level Pressure 30.04 in    
Wind  
Wind Speed 5 mph (SSE)    
Max Wind Speed 13 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. 14, 2012 Rise Set
Actual Time 6:52 AM PDT 7:20 PM PDT
Civil Twilight 6:25 AM PDT 7:46 PM PDT
Nautical Twilight 5:54 AM PDT 8:17 PM PDT
Astronomical Twilight 5:22 AM PDT 8:49 PM PDT
Moon 5:23 AM PDT (9/14) 6:19 PM PDT (9/14)
Length of Visible Light 13h 20m
Length of Day
12h 27m
Waning Crescent, 2% of the Moon is Illuminated
Sep 14
Waning Crescent
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 51.1 °F 93% 30.04 in 10.0 mi Calm Calm - N/A   Clear
1:25 AM 53.6 °F 50.0 °F 88% 30.06 in 10.0 mi Calm Calm - N/A   Scattered Clouds
1:34 AM 51.8 °F 50.0 °F 94% 30.07 in 10.0 mi South 3.5 mph - N/A   Mostly Cloudy
1:53 AM 53.1 °F 51.1 °F 93% 30.05 in 10.0 mi SSE 3.5 mph - N/A   Overcast
2:53 AM 53.1 °F 51.1 °F 93% 30.04 in 10.0 mi Calm Calm - N/A   Overcast
3:23 AM 51.8 °F 51.8 °F 100% 30.05 in 1.8 mi SSE 4.6 mph - N/A   Overcast
3:38 AM 51.8 °F 51.8 °F 100% 30.06 in 3.0 mi SSE 4.6 mph - N/A   Overcast
3:53 AM 52.0 °F 51.1 °F 97% 30.04 in 10.0 mi SSE 4.6 mph - N/A   Overcast
4:53 AM 53.1 °F 51.1 °F 93% 30.04 in 9.0 mi Calm Calm - N/A   Overcast
5:53 AM 52.0 °F 50.0 °F 93% 30.04 in 8.0 mi WSW 4.6 mph - N/A   Overcast
6:30 AM 51.8 °F 51.8 °F 100% 30.06 in 2.5 mi South 3.5 mph - N/A   Overcast
6:45 AM 51.8 °F 50.0 °F 94% 30.07 in 1.5 mi SW 3.5 mph - N/A   Overcast
6:53 AM 52.0 °F 51.1 °F 97% 30.06 in 0.5 mi Calm Calm - N/A Fog Fog
7:53 AM 53.1 °F 51.1 °F 93% 30.07 in 0.5 mi South 3.5 mph - N/A Fog Fog
8:00 AM 53.6 °F 51.8 °F 94% 30.09 in 1.0 mi South 4.6 mph - N/A   Overcast
8:53 AM 54.0 °F 51.1 °F 90% 30.08 in 1.0 mi Calm Calm - N/A   Overcast
8:59 AM 53.6 °F 51.8 °F 94% 30.10 in 10.0 mi Calm Calm - N/A   Overcast
9:53 AM 55.9 °F 51.1 °F 84% 30.09 in 3.0 mi Calm Calm - N/A   Overcast
10:53 AM 62.1 °F 51.1 °F 67% 30.08 in 10.0 mi Variable 4.6 mph - N/A   Scattered Clouds
10:55 AM 62.6 °F 51.8 °F 68% 30.09 in 10.0 mi Variable 3.5 mph - N/A   Clear
11:53 AM 66.0 °F 52.0 °F 60% 30.07 in 10.0 mi South 6.9 mph - N/A   Clear
12:53 PM 75.0 °F 54.0 °F 48% 30.06 in 10.0 mi SSE 6.9 mph - N/A   Scattered Clouds
1:53 PM 75.0 °F 53.1 °F 46% 30.03 in 10.0 mi SSE 8.1 mph - N/A   Scattered Clouds
2:53 PM 78.1 °F 53.1 °F 42% 30.00 in 10.0 mi SSE 9.2 mph - N/A   Scattered Clouds
3:53 PM 78.1 °F 53.1 °F 42% 29.99 in 10.0 mi SSE 10.4 mph - N/A   Clear
4:53 PM 75.9 °F 51.1 °F 42% 29.98 in 10.0 mi SSE 10.4 mph - N/A   Clear
5:53 PM 72.0 °F 50.0 °F 46% 29.97 in 10.0 mi SE 11.5 mph - N/A   Scattered Clouds
6:53 PM 66.0 °F 50.0 °F 56% 29.98 in 10.0 mi SSE 9.2 mph - N/A   Scattered Clouds
7:53 PM 60.1 °F 50.0 °F 69% 29.99 in 10.0 mi SSE 6.9 mph - N/A   Clear
8:53 PM 57.0 °F 48.9 °F 74% 30.01 in 10.0 mi SSE 6.9 mph - N/A   Clear
9:53 PM 55.0 °F 48.9 °F 80% 30.02 in 10.0 mi SSE 5.8 mph - N/A   Clear
10:53 PM 53.1 °F 48.9 °F 86% 30.02 in 10.0 mi Calm Calm - N/A   Clear
11:53 PM 51.1 °F 48.0 °F 89% 30.03 in 10.0 mi SSE 4.6 mph - N/A   Clear