Santa Rosa, CA

9:02 AM PDT on October 23, 2019 (GMT -0700)
Sonoma County

Weather History for KSTS - September, 2019

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Friday, September 20, 2019

  Actual Average Record
Temperature  
Mean Temperature 68 °F 66 °F  
Max Temperature 87 °F 83 °F 100 °F (2003)
Min Temperature 49 °F 49 °F 40 °F (2004)
Degree Days  
Heating Degree Days 0    
Month to date heating degree days 3  
Since 1 July heating degree days 5  
Cooling Degree Days 3    
Month to date cooling degree days 81  
Year to date cooling degree days 494  
Growing Degree Days 18 (Base 50)    
Moisture  
Dew Point 49 °F    
Average Humidity 59    
Maximum Humidity 96    
Minimum Humidity 21    
Precipitation  
Precipitation 0.00 in 0.00 in 0.16 in (2013)
Month to date precipitation 0.13 0.13  
Year to date precipitation 38.52 22.31  
Sea Level Pressure  
Sea Level Pressure 29.92 in    
Wind  
Wind Speed 5 mph (WNW)    
Max Wind Speed 16 mph    
Max Gust Speed 20 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. 20, 2019 Rise Set
Actual Time 6:57 AM PDT 7:11 PM PDT
Civil Twilight 6:30 AM PDT 7:38 PM PDT
Nautical Twilight 5:59 AM PDT 8:09 PM PDT
Astronomical Twilight 5:27 AM PDT 8:40 PM PDT
Moon 11:09 PM PDT (9/20) 1:03 PM PDT (9/20)
Length of Visible Light 13h 07m
Length of Day
12h 14m
Waning Gibbous, 64% of the Moon is Illuminated
Sep 20
Waning Gibbous
Sep 21
Last Quarter
Sep 28
New
Oct 5
First Quarter
Oct 13
Full

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 48.9 °F 86% 29.93 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 53.1 °F 48.9 °F 86% 29.93 in 10.0 mi WNW 3.5 mph - N/A   Clear
2:53 AM 51.1 °F 48.9 °F 92% 29.93 in 10.0 mi West 4.6 mph - N/A   Clear
3:53 AM 50.0 °F 48.0 °F 93% 29.93 in 10.0 mi NW 5.8 mph - N/A   Clear
4:53 AM 51.1 °F 50.0 °F 96% 29.93 in 10.0 mi NNW 5.8 mph - N/A   Clear
5:53 AM 51.1 °F 50.0 °F 96% 29.93 in 10.0 mi NNW 5.8 mph - N/A   Clear
6:53 AM 50.0 °F 48.9 °F 96% 29.94 in 10.0 mi NW 6.9 mph - N/A   Clear
7:53 AM 54.0 °F 52.0 °F 93% 29.95 in 10.0 mi WNW 5.8 mph - N/A   Clear
8:53 AM 63.0 °F 54.0 °F 72% 29.96 in 10.0 mi NW 4.6 mph - N/A   Clear
9:53 AM 71.1 °F 53.1 °F 53% 29.96 in 10.0 mi NNW 6.9 mph - N/A   Clear
10:53 AM 78.1 °F 48.9 °F 36% 29.95 in 10.0 mi NW 5.8 mph - N/A   Clear
11:53 AM 81.0 °F 45.0 °F 28% 29.94 in 10.0 mi Calm Calm - N/A   Clear
12:53 PM 82.9 °F 44.1 °F 25% 29.92 in 10.0 mi Variable 3.5 mph - N/A   Clear
1:53 PM 84.9 °F 44.1 °F 24% 29.91 in 10.0 mi Variable 3.5 mph - N/A   Clear
2:53 PM 86.0 °F 43.0 °F 22% 29.89 in 10.0 mi Variable 4.6 mph - N/A   Clear
3:53 PM 84.0 °F 46.0 °F 26% 29.88 in 10.0 mi SW 11.5 mph - N/A   Clear
4:53 PM 82.0 °F 46.9 °F 29% 29.87 in 10.0 mi WSW 10.4 mph - N/A   Clear
5:53 PM 80.1 °F 48.0 °F 32% 29.86 in 10.0 mi SSW 5.8 mph - N/A   Clear
6:53 PM 77.0 °F 48.9 °F 37% 29.88 in 10.0 mi South 5.8 mph - N/A   Clear
7:53 PM 70.0 °F 50.0 °F 49% 29.89 in 10.0 mi SE 6.9 mph - N/A   Clear
8:53 PM 69.1 °F 50.0 °F 51% 29.90 in 10.0 mi SSW 3.5 mph - N/A   Clear
9:53 PM 63.0 °F 51.1 °F 65% 29.91 in 10.0 mi Calm Calm - N/A   Clear
10:53 PM 59.0 °F 50.0 °F 72% 29.91 in 10.0 mi NW 5.8 mph - N/A   Clear
11:53 PM 59.0 °F 50.0 °F 72% 29.91 in 10.0 mi NW 4.6 mph - N/A   Clear