Santa Rosa, CA

2:58 PM PST on December 07, 2019 (GMT -0800)
Sonoma County

Weather History for KSTS - September, 2019

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Friday, September 13, 2019

  Actual Average Record
Temperature  
Mean Temperature 76 °F 67 °F  
Max Temperature 99 °F 84 °F 100 °F (2003)
Min Temperature 53 °F 50 °F 47 °F (2006)
Degree Days  
Heating Degree Days 0    
Month to date heating degree days 0  
Since 1 July heating degree days 2  
Cooling Degree Days 11    
Month to date cooling degree days 69  
Year to date cooling degree days 482  
Growing Degree Days 26 (Base 50)    
Moisture  
Dew Point 49 °F    
Average Humidity 51    
Maximum Humidity 86    
Minimum Humidity 15    
Precipitation  
Precipitation 0.00 in 0.01 in 0.11 in (2009)
Month to date precipitation 0.00 0.09  
Year to date precipitation 38.39 22.27  
Sea Level Pressure  
Sea Level Pressure 29.94 in    
Wind  
Wind Speed 2 mph (SW)    
Max Wind Speed 14 mph    
Max Gust Speed 18 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

Sep. 13, 2019 Rise Set
Actual Time 6:50 AM PDT 7:22 PM PDT
Civil Twilight 6:24 AM PDT 7:49 PM PDT
Nautical Twilight 5:52 AM PDT 8:20 PM PDT
Astronomical Twilight 5:20 AM PDT 8:52 PM PDT
Moon 7:38 PM PDT (9/13) 6:14 AM PDT (9/13)
Length of Visible Light 13h 25m
Length of Day
12h 31m
Full, 100% of the Moon is Illuminated
Sep 13
Full
Sep 13
Full
Sep 21
Last Quarter
Sep 28
New
Oct 5
First 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 62.1 °F 52.0 °F 70% 29.97 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 61.0 °F 52.0 °F 72% 29.97 in 10.0 mi West 3.5 mph - N/A   Clear
2:53 AM 57.9 °F 51.1 °F 78% 29.96 in 10.0 mi West 4.6 mph - N/A   Clear
3:53 AM 57.9 °F 51.1 °F 78% 29.96 in 10.0 mi WNW 3.5 mph - N/A   Clear
4:53 AM 57.0 °F 51.1 °F 81% 29.96 in 10.0 mi Calm Calm - N/A   Clear
5:53 AM 55.9 °F 51.1 °F 84% 29.96 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 55.0 °F 50.0 °F 83% 29.97 in 8.0 mi Calm Calm - N/A   Clear
7:53 AM 57.9 °F 51.1 °F 78% 29.99 in 10.0 mi Calm Calm - N/A   Clear
8:53 AM 66.9 °F 52.0 °F 59% 30.00 in 10.0 mi Calm Calm - N/A   Partly Cloudy
9:53 AM 75.0 °F 50.0 °F 41% 30.00 in 10.0 mi Calm Calm - N/A   Clear
10:53 AM 82.0 °F 50.0 °F 33% 30.00 in 10.0 mi Calm Calm - N/A   Clear
11:53 AM 88.0 °F 50.0 °F 27% 29.99 in 10.0 mi WNW 3.5 mph - N/A   Clear
12:53 PM 91.9 °F 48.9 °F 23% 29.97 in 10.0 mi SSE 3.5 mph - N/A   Clear
1:53 PM 95.0 °F 45.0 °F 18% 29.94 in 10.0 mi Calm Calm - N/A   Clear
2:53 PM 96.1 °F 43.0 °F 16% 29.92 in 10.0 mi SW 3.5 mph - N/A   Clear
3:53 PM 98.1 °F 42.1 °F 15% 29.90 in 10.0 mi Variable 3.5 mph - N/A   Clear
4:53 PM 95.0 °F 44.1 °F 17% 29.89 in 10.0 mi WSW 11.5 mph - N/A   Clear
5:53 PM 91.9 °F 43.0 °F 18% 29.89 in 10.0 mi WSW 8.1 mph - N/A   Clear
6:53 PM 88.0 °F 48.0 °F 25% 29.89 in 10.0 mi SE 4.6 mph - N/A   Clear
7:53 PM 80.1 °F 46.9 °F 31% 29.90 in 10.0 mi SSE 4.6 mph - N/A   Clear
8:53 PM 73.9 °F 50.0 °F 43% 29.91 in 10.0 mi South 3.5 mph - N/A   Clear
9:53 PM 69.1 °F 51.1 °F 53% 29.91 in 10.0 mi Calm Calm - N/A   Clear
10:53 PM 63.0 °F 52.0 °F 67% 29.92 in 10.0 mi Calm Calm - N/A   Clear
11:53 PM 62.1 °F 52.0 °F 70% 29.91 in 10.0 mi Calm Calm - N/A   Clear