Santa Rosa, CA

4:26 PM PDT on October 14, 2019 (GMT -0700)
Sonoma County

Weather History for KSTS - September, 2019

Change the Weather History Date:

Wednesday, September 18, 2019

  Actual Average Record
Temperature  
Mean Temperature 65 °F 66 °F  
Max Temperature 75 °F 83 °F 101 °F (2000)
Min Temperature 55 °F 49 °F 41 °F (2008)
Degree Days  
Heating Degree Days 0    
Month to date heating degree days 2  
Since 1 July heating degree days 4  
Cooling Degree Days 0    
Month to date cooling degree days 78  
Year to date cooling degree days 491  
Growing Degree Days 15 (Base 50)    
Moisture  
Dew Point 57 °F    
Average Humidity 75    
Maximum Humidity 100    
Minimum Humidity 49    
Precipitation  
Precipitation 0.02 in 0.00 in 0.10 in (2014)
Month to date precipitation 0.13 0.12  
Year to date precipitation 38.52 22.30  
Sea Level Pressure  
Sea Level Pressure 29.92 in    
Wind  
Wind Speed 6 mph (SSW)    
Max Wind Speed 17 mph    
Max Gust Speed 25 mph    
Visibility 8 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

Search for Another Location

Airport or City:

Astronomy

Sep. 18, 2019 Rise Set
Actual Time 6:55 AM PDT 7:14 PM PDT
Civil Twilight 6:28 AM PDT 7:41 PM PDT
Nautical Twilight 5:57 AM PDT 8:12 PM PDT
Astronomical Twilight 5:25 AM PDT 8:43 PM PDT
Moon 9:55 PM PDT (9/18) 11:01 AM PDT (9/18)
Length of Visible Light 13h 12m
Length of Day
12h 19m
Waning Gibbous, 82% of the Moon is Illuminated
Sep 18
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 57.9 °F 55.0 °F 90% 29.94 in 10.0 mi Calm Calm - N/A   Clear
1:16 AM 57.9 °F 55.0 °F 90% 29.96 in 10.0 mi SE 3.5 mph - N/A   Mostly Cloudy
1:53 AM 57.9 °F 55.0 °F 90% 29.94 in 10.0 mi SE 3.5 mph - N/A   Overcast
2:53 AM 60.1 °F 55.9 °F 86% 29.92 in 10.0 mi SE 3.5 mph - N/A   Overcast
3:28 AM 61.0 °F 57.0 °F 87% 29.93 in 10.0 mi SE 5.8 mph - N/A   Overcast
3:53 AM 61.0 °F 57.9 °F 90% 29.90 in 8.0 mi SSE 5.8 mph - N/A   Overcast
4:00 AM 61.0 °F 57.9 °F 90% 29.92 in 7.0 mi SSE 8.1 mph - N/A   Overcast
4:16 AM 61.0 °F 57.9 °F 90% 29.92 in 10.0 mi SSE 6.9 mph - N/A   Overcast
4:53 AM 61.0 °F 60.1 °F 97% 29.89 in 3.0 mi South 4.6 mph - 0.01 in Rain Light Rain
5:05 AM 60.1 °F 60.1 °F 100% 29.91 in 3.0 mi SSE 4.6 mph - 0.00 in Rain Light Rain
5:22 AM 61.0 °F 60.1 °F 97% 29.91 in 7.0 mi SE 4.6 mph - 0.00 in   Overcast
5:33 AM 61.0 °F 60.1 °F 97% 29.90 in 7.0 mi ESE 5.8 mph - 0.00 in Rain Light Rain
5:45 AM 61.0 °F 61.0 °F 100% 29.91 in 8.0 mi SE 4.6 mph - 0.00 in   Overcast
5:53 AM 61.0 °F 61.0 °F 100% 29.89 in 8.0 mi SE 3.5 mph - 0.00 in   Overcast
6:53 AM 60.1 °F 60.1 °F 100% 29.91 in 4.0 mi NW 5.8 mph - 0.01 in   Overcast
7:53 AM 60.1 °F 60.1 °F 100% 29.93 in 2.0 mi Calm Calm - N/A   Overcast
7:55 AM 60.1 °F 60.1 °F 100% 29.94 in 7.0 mi Calm Calm - N/A   Overcast
8:02 AM 60.1 °F 60.1 °F 100% 29.94 in 2.0 mi Calm Calm - N/A   Overcast
8:40 AM 60.1 °F 60.1 °F 100% 29.95 in 4.0 mi North 3.5 mph - N/A   Overcast
8:53 AM 60.1 °F 60.1 °F 100% 29.94 in 4.0 mi WNW 3.5 mph - N/A   Overcast
9:53 AM 63.0 °F 60.1 °F 90% 29.95 in 7.0 mi Calm Calm - N/A   Overcast
10:04 AM 63.0 °F 60.1 °F 90% 29.97 in 7.0 mi Calm Calm - N/A   Overcast
10:44 AM 64.9 °F 60.1 °F 84% 29.97 in 10.0 mi Calm Calm - N/A   Overcast
10:46 AM 66.0 °F 60.1 °F 81% 29.97 in 10.0 mi Calm Calm - N/A   Overcast
10:53 AM 66.0 °F 60.1 °F 81% 29.95 in 10.0 mi Calm Calm - N/A   Overcast
11:53 AM 68.0 °F 60.1 °F 76% 29.95 in 10.0 mi South 6.9 mph - 0.00 in Rain Rain
12:53 PM 71.1 °F 54.0 °F 55% 29.94 in 10.0 mi Variable 3.5 mph - 0.00 in   Mostly Cloudy
1:00 PM 72.0 °F 54.0 °F 53% 29.95 in 10.0 mi Variable 6.9 mph - N/A   Scattered Clouds
1:53 PM 73.9 °F 55.0 °F 52% 29.91 in 10.0 mi WSW 10.4 mph 17.3 mph N/A   Mostly Cloudy
2:53 PM 73.9 °F 54.0 °F 50% 29.90 in 10.0 mi West 15.0 mph - N/A   Scattered Clouds
3:32 PM 73.9 °F 54.0 °F 50% 29.91 in 10.0 mi West 15.0 mph 24.2 mph N/A   Scattered Clouds
3:53 PM 73.9 °F 54.0 °F 50% 29.89 in 10.0 mi West 15.0 mph 21.9 mph N/A   Scattered Clouds
4:53 PM 73.9 °F 53.1 °F 48% 29.89 in 10.0 mi WSW 12.7 mph 19.6 mph N/A   Scattered Clouds
5:53 PM 72.0 °F 51.1 °F 48% 29.89 in 10.0 mi West 12.7 mph - N/A   Scattered Clouds
6:53 PM 69.1 °F 53.1 °F 57% 29.90 in 10.0 mi WNW 9.2 mph - N/A   Scattered Clouds
7:53 PM 64.0 °F 54.0 °F 70% 29.91 in 10.0 mi West 6.9 mph - N/A   Clear
8:53 PM 61.0 °F 54.0 °F 78% 29.92 in 10.0 mi Calm Calm - N/A   Clear
9:53 PM 60.1 °F 52.0 °F 75% 29.92 in 10.0 mi WNW 6.9 mph - N/A   Clear
10:53 PM 60.1 °F 52.0 °F 75% 29.92 in 10.0 mi West 4.6 mph - N/A   Clear
11:53 PM 57.9 °F 52.0 °F 81% 29.93 in 10.0 mi WNW 4.6 mph - N/A   Clear