Santa Rosa, CA

1:28 AM PDT on October 17, 2019 (GMT -0700)
Sonoma County

Weather History for KSTS - September, 2019

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Monday, September 16, 2019

  Actual Average Record
Temperature  
Mean Temperature 66 °F 66 °F  
Max Temperature 77 °F 84 °F 91 °F (2004)
Min Temperature 54 °F 49 °F 41 °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 1    
Month to date cooling degree days 78  
Year to date cooling degree days 491  
Growing Degree Days 17 (Base 50)    
Moisture  
Dew Point 56 °F    
Average Humidity 66    
Maximum Humidity 93    
Minimum Humidity 38    
Precipitation  
Precipitation 0.11 in 0.01 in 0.41 in (2015)
Month to date precipitation 0.11 0.11  
Year to date precipitation 38.50 22.29  
Sea Level Pressure  
Sea Level Pressure 29.90 in    
Wind  
Wind Speed 7 mph (WSW)    
Max Wind Speed 18 mph    
Max Gust Speed 24 mph    
Visibility 10 miles    
Events Rain    
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. 16, 2019 Rise Set
Actual Time 6:53 AM PDT 7:17 PM PDT
Civil Twilight 6:27 AM PDT 7:44 PM PDT
Nautical Twilight 5:55 AM PDT 8:15 PM PDT
Astronomical Twilight 5:23 AM PDT 8:47 PM PDT
Moon 8:56 PM PDT (9/16) 9:04 AM PDT (9/16)
Length of Visible Light 13h 17m
Length of Day
12h 24m
Waning Gibbous, 94% of the Moon is Illuminated
Sep 16
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 66.9 °F 62.1 °F 84% 29.84 in 10.0 mi SW 6.9 mph - N/A   Overcast
1:21 AM 64.9 °F 62.1 °F 90% 29.85 in 10.0 mi South 6.9 mph - N/A   Mostly Cloudy
1:41 AM 64.0 °F 61.0 °F 90% 29.84 in 10.0 mi SSW 5.8 mph - N/A   Mostly Cloudy
1:53 AM 64.0 °F 61.0 °F 90% 29.83 in 10.0 mi South 6.9 mph - N/A   Overcast
2:53 AM 64.0 °F 61.0 °F 90% 29.82 in 10.0 mi SSW 5.8 mph - N/A   Overcast
3:05 AM 63.0 °F 61.0 °F 93% 29.83 in 10.0 mi South 4.6 mph - N/A   Mostly Cloudy
3:53 AM 64.0 °F 61.0 °F 90% 29.83 in 10.0 mi SW 6.9 mph - N/A   Overcast
4:53 AM 62.1 °F 59.0 °F 90% 29.84 in 4.0 mi SW 3.5 mph - 0.06 in Rain Rain
5:53 AM 61.0 °F 57.9 °F 90% 29.83 in 5.0 mi Calm Calm - 0.04 in Rain Rain
6:53 AM 59.0 °F 57.9 °F 96% 29.86 in 10.0 mi West 3.5 mph - 0.01 in   Mostly Cloudy
7:53 AM 59.0 °F 57.9 °F 96% 29.88 in 10.0 mi South 3.5 mph - N/A   Scattered Clouds
8:53 AM 62.1 °F 57.9 °F 86% 29.90 in 10.0 mi WSW 4.6 mph - N/A   Clear
9:53 AM 64.9 °F 57.0 °F 75% 29.91 in 10.0 mi Variable 3.5 mph - N/A   Scattered Clouds
10:53 AM 70.0 °F 55.9 °F 61% 29.92 in 10.0 mi NNW 5.8 mph - N/A   Scattered Clouds
11:53 AM 70.0 °F 52.0 °F 53% 29.92 in 10.0 mi Variable 6.9 mph - N/A   Mostly Cloudy
12:53 PM 73.9 °F 50.0 °F 43% 29.92 in 10.0 mi NNW 12.7 mph - N/A   Mostly Cloudy
1:53 PM 75.0 °F 48.0 °F 38% 29.93 in 10.0 mi WNW 12.7 mph 21.9 mph N/A   Scattered Clouds
2:53 PM 73.0 °F 53.1 °F 49% 29.92 in 10.0 mi WSW 16.1 mph 23.0 mph N/A   Mostly Cloudy
3:53 PM 72.0 °F 54.0 °F 53% 29.92 in 10.0 mi WSW 15.0 mph 20.7 mph N/A   Mostly Cloudy
4:53 PM 71.1 °F 55.0 °F 57% 29.93 in 10.0 mi WSW 15.0 mph 20.7 mph N/A   Scattered Clouds
5:53 PM 69.1 °F 55.0 °F 61% 29.94 in 10.0 mi West 9.2 mph 20.7 mph N/A   Partly Cloudy
6:53 PM 66.0 °F 54.0 °F 65% 29.95 in 10.0 mi West 11.5 mph 20.7 mph N/A   Clear
7:53 PM 63.0 °F 53.1 °F 70% 29.96 in 10.0 mi Calm Calm - N/A   Clear
8:53 PM 60.1 °F 52.0 °F 75% 29.97 in 10.0 mi West 6.9 mph - N/A   Clear
9:53 PM 59.0 °F 52.0 °F 78% 29.99 in 10.0 mi Calm Calm - N/A   Clear
10:53 PM 59.0 °F 52.0 °F 78% 29.99 in 10.0 mi South 3.5 mph - N/A   Clear
11:53 PM 57.0 °F 51.1 °F 81% 29.99 in 10.0 mi WNW 6.9 mph - N/A   Clear