Windsor, CA

10:39 AM PDT on September 30, 2016 (GMT -0700)
Sonoma County

Weather History for KSTS - September, 2012

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Thursday, September 20, 2012

  Actual Average Record
Temperature  
Mean Temperature 62 °F 66 °F  
Max Temperature 82 °F 83 °F 100 °F (2003)
Min Temperature 42 °F 49 °F 40 °F (2004)
Degree Days  
Heating Degree Days 3    
Month to date heating degree days 27  
Since 1 July heating degree days 65  
Cooling Degree Days 0    
Month to date cooling degree days 10  
Year to date cooling degree days 282  
Growing Degree Days 12 (Base 50)    
Moisture  
Dew Point 45 °F    
Average Humidity 66    
Maximum Humidity 100    
Minimum Humidity 32    
Precipitation  
Precipitation 0.00 in 0.00 in 0.16 in (2013)
Month to date precipitation 0.00 0.13  
Year to date precipitation 18.79 22.31  
Since 1 July precipitation 0.00  
Sea Level Pressure  
Sea Level Pressure 30.02 in    
Wind  
Wind Speed 3 mph (SSE)    
Max Wind Speed 13 mph    
Max Gust Speed 16 mph    
Visibility 6 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. 20, 2012 Rise Set
Actual Time 6:57 AM PDT 7:10 PM PDT
Civil Twilight 6:31 AM PDT 7:36 PM PDT
Nautical Twilight 6:00 AM PDT 8:07 PM PDT
Astronomical Twilight 5:28 AM PDT 8:39 PM PDT
Moon 12:17 PM PDT (9/20) 10:22 PM PDT (9/20)
Length of Visible Light 13h 05m
Length of Day
12h 12m
Waxing Crescent, 28% of the Moon is Illuminated
Sep 20
Waxing Crescent
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New

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 48.0 °F - 44.1 °F 86% 30.04 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 46.0 °F - 44.1 °F 93% 30.04 in 8.0 mi Calm Calm - N/A   Clear
2:39 AM 44.6 °F - 42.8 °F 93% 30.06 in 1.8 mi Calm Calm - N/A   Clear
2:49 AM 44.6 °F - 42.8 °F 93% 30.05 in 3.0 mi Calm Calm - N/A   Clear
2:53 AM 45.0 °F - 43.0 °F 93% 30.04 in 7.0 mi Calm Calm - N/A   Clear
3:06 AM 44.6 °F - 42.8 °F 93% 30.05 in 6.0 mi Calm Calm - N/A   Partly Cloudy
3:18 AM 44.6 °F - 42.8 °F 93% 30.05 in 2.0 mi Calm Calm - N/A   Mostly Cloudy
3:20 AM 44.6 °F - 42.8 °F 93% 30.05 in 0.8 mi Calm Calm - N/A   Mist
3:30 AM 44.6 °F - 42.8 °F 93% 30.04 in 0.2 mi Calm Calm - N/A Fog Fog
3:38 AM 44.6 °F - 42.8 °F 93% 30.04 in 1.0 mi Calm Calm - N/A   Mist
3:42 AM 42.8 °F - 42.8 °F 100% 30.04 in 3.0 mi Calm Calm - N/A   Mostly Cloudy
3:49 AM 42.8 °F - 41.0 °F 93% 30.04 in 9.0 mi Calm Calm - N/A   Scattered Clouds
3:53 AM 43.0 °F - 41.0 °F 93% 30.03 in 9.0 mi Calm Calm - N/A   Scattered Clouds
4:11 AM 42.8 °F - 41.0 °F 93% 30.05 in 1.5 mi Calm Calm - N/A   Mostly Cloudy
4:19 AM 42.8 °F - 41.0 °F 93% 30.04 in 0.8 mi Calm Calm - N/A   Mostly Cloudy
4:23 AM 42.8 °F - 42.8 °F 100% 30.04 in 2.0 mi Calm Calm - N/A   Mostly Cloudy
4:30 AM 42.8 °F - 42.8 °F 100% 30.04 in 6.0 mi Calm Calm - N/A   Overcast
4:53 AM 45.0 °F - 43.0 °F 93% 30.02 in 7.0 mi Calm Calm - N/A   Overcast
5:09 AM 44.6 °F - 42.8 °F 93% 30.04 in 1.5 mi Calm Calm - N/A   Overcast
5:18 AM 44.6 °F - 42.8 °F 93% 30.04 in 0.5 mi Calm Calm - N/A Fog Fog
5:33 AM 44.6 °F - 44.6 °F 100% 30.04 in 0.2 mi Calm Calm - N/A Fog Fog
7:06 AM 46.4 °F - 44.6 °F 93% 30.04 in 0.2 mi Calm Calm - N/A Fog Fog
7:12 AM 46.4 °F - 44.6 °F 93% 30.05 in 0.2 mi Calm Calm - N/A Fog Fog
7:53 AM 46.0 °F 44.8 °F 45.0 °F 96% 30.04 in 0.2 mi West 3.5 mph - N/A Fog Fog
8:53 AM 46.9 °F - 46.0 °F 97% 30.05 in 0.2 mi Calm Calm - N/A Fog Fog
9:13 AM 46.4 °F - 46.4 °F 100% 30.07 in 0.5 mi Calm Calm - N/A Fog Fog
9:27 AM 48.2 °F - 46.4 °F 93% 30.07 in 2.0 mi Calm Calm - N/A   Mostly Cloudy
9:35 AM 48.2 °F - 46.4 °F 93% 30.07 in 8.0 mi Calm Calm - N/A   Mostly Cloudy
9:53 AM 50.0 °F - 46.9 °F 89% 30.06 in 10.0 mi Calm Calm - N/A   Partly Cloudy
10:53 AM 59.0 °F - 48.0 °F 67% 30.05 in 10.0 mi Calm Calm - N/A   Clear
11:53 AM 66.0 °F - 48.0 °F 52% 30.04 in 10.0 mi Calm Calm - N/A   Clear
12:53 PM 72.0 °F - 48.0 °F 43% 30.01 in 10.0 mi Calm Calm - N/A   Clear
1:53 PM 78.1 °F - 46.0 °F 32% 29.99 in 10.0 mi South 4.6 mph - N/A   Clear
2:53 PM 81.0 °F - 51.1 °F 35% 29.96 in 10.0 mi SSE 11.5 mph - N/A   Clear
3:53 PM 80.1 °F - 51.1 °F 36% 29.95 in 10.0 mi SSE 9.2 mph - N/A   Clear
4:53 PM 78.1 °F - 48.0 °F 35% 29.93 in 10.0 mi SE 11.5 mph - N/A   Partly Cloudy
5:53 PM 75.0 °F - 45.0 °F 34% 29.92 in 10.0 mi SSE 11.5 mph - N/A   Partly Cloudy
6:53 PM 70.0 °F - 46.0 °F 42% 29.94 in 10.0 mi SSE 9.2 mph - N/A   Scattered Clouds
7:53 PM 62.1 °F - 46.0 °F 56% 29.94 in 10.0 mi SSE 5.8 mph - N/A   Scattered Clouds
9:53 PM 55.0 °F - 46.0 °F 72% 29.96 in 10.0 mi Calm Calm - N/A   Clear
10:53 PM 54.0 °F - 46.0 °F 75% 29.96 in 10.0 mi Calm Calm - N/A   Clear
11:53 PM 51.1 °F - 46.0 °F 83% 29.97 in 10.0 mi Calm Calm - N/A   Clear