Weather History for Santa Rosa, CA

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Monday, September 16, 2013

  Actual Average Record
Temperature  
Mean Temperature 69 °F 66 °F  
Max Temperature 87 °F 84 °F 91 °F (2004)
Min Temperature 51 °F 49 °F 41 °F (2006)
Degree Days  
Heating Degree Days 0    
Month to date heating degree days 1  
Since 1 July heating degree days 38  
Cooling Degree Days 4    
Month to date cooling degree days 57  
Year to date cooling degree days 400  
Growing Degree Days 18 (Base 50)    
Moisture  
Dew Point 54 °F    
Average Humidity 65    
Maximum Humidity 100    
Minimum Humidity 30    
Precipitation  
Precipitation 0.01 in 0.01 in 0.01 in (2013)
Month to date precipitation 0.01 0.11  
Year to date precipitation 6.56 22.29  
Since 1 July precipitation 0.04 0.20  
Sea Level Pressure  
Sea Level Pressure 29.83 in    
Wind  
Wind Speed 4 mph (South)    
Max Wind Speed 14 mph    
Max Gust Speed 17 mph    
Visibility 5 miles    
Events Fog    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 16, 2013 Rise Set
Actual Time 6:54 AM PDT 7:17 PM PDT
Civil Twilight 6:27 AM PDT 7:43 PM PDT
Nautical Twilight 5:56 AM PDT 8:14 PM PDT
Astronomical Twilight 5:24 AM PDT 8:46 PM PDT
Moon 5:28 PM PDT (9/16) 3:48 AM PDT (9/16)
Length of Visible Light 13h 16m
Length of Day
12h 23m
Waxing Gibbous, 91% of the Moon is Illuminated
Sep 16
Waxing Gibbous
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 57.9 °F - 55.0 °F 90% 29.83 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 55.9 °F - 54.0 °F 93% 29.83 in 10.0 mi Calm Calm - N/A   Clear
2:19 AM 53.6 °F - 51.8 °F 94% 29.85 in 2.5 mi Calm Calm - N/A   Partly Cloudy
2:21 AM 53.6 °F - 51.8 °F 94% 29.85 in 1.0 mi Calm Calm - N/A   Mist
2:28 AM 53.6 °F - 53.6 °F 100% 29.85 in 0.5 mi Calm Calm - N/A Fog Fog
2:40 AM 53.6 °F - 53.6 °F 100% 29.85 in 2.0 mi Calm Calm - N/A   Mostly Cloudy
2:49 AM 53.6 °F - 51.8 °F 94% 29.85 in 6.0 mi Calm Calm - N/A   Scattered Clouds
2:53 AM 53.1 °F - 52.0 °F 96% 29.83 in 4.0 mi Calm Calm - N/A   Scattered Clouds
2:56 AM 53.6 °F - 51.8 °F 94% 29.85 in 1.8 mi Calm Calm - N/A   Mostly Cloudy
3:08 AM 53.6 °F - 53.6 °F 100% 29.85 in 0.5 mi Calm Calm - N/A Fog Fog
3:16 AM 51.8 °F - 51.8 °F 100% 29.85 in 0.2 mi Calm Calm - N/A Fog Fog
3:53 AM 52.0 °F - 51.1 °F 97% 29.83 in 0.2 mi Calm Calm - N/A Fog Fog
4:03 AM 53.6 °F - 51.8 °F 94% 29.85 in 0.5 mi Calm Calm - N/A Fog Fog
4:38 AM 53.6 °F - 53.6 °F 100% 29.85 in 0.2 mi Calm Calm - N/A Fog Fog
4:53 AM 54.0 °F - 54.0 °F 100% 29.83 in 0.2 mi Calm Calm - N/A Fog Fog
5:15 AM 53.6 °F - 53.6 °F 100% 29.86 in 0.8 mi Calm Calm - N/A   Mist
5:19 AM 55.4 °F - 53.6 °F 94% 29.86 in 2.0 mi Calm Calm - N/A   Overcast
5:32 AM 55.4 °F - 55.4 °F 100% 29.86 in 1.0 mi Calm Calm - 0.01 in   Mist
5:40 AM 55.4 °F - 55.4 °F 100% 29.86 in 0.8 mi Calm Calm - 0.01 in   Mist
5:53 AM 55.0 °F - 54.0 °F 96% 29.84 in 0.5 mi Calm Calm - 0.01 in Fog Fog
6:00 AM 55.4 °F - 55.4 °F 100% 29.86 in 0.2 mi Calm Calm - N/A Fog Fog
6:53 AM 55.0 °F - 54.0 °F 96% 29.85 in 0.2 mi Calm Calm - N/A Fog Fog
7:53 AM 55.9 °F - 55.0 °F 97% 29.86 in 0.2 mi NNW 3.5 mph - N/A Fog Fog
8:53 AM 57.0 °F - 57.0 °F 100% 29.87 in 0.5 mi Calm Calm - N/A Fog Fog
8:59 AM 57.2 °F - 57.2 °F 100% 29.88 in 2.0 mi Calm Calm - N/A   Overcast
9:36 AM 57.2 °F - 57.2 °F 100% 29.89 in 2.0 mi Calm Calm - N/A   Overcast
9:47 AM 60.8 °F - 57.2 °F 88% 29.89 in 10.0 mi Calm Calm - N/A   Overcast
9:53 AM 60.1 °F - 57.0 °F 90% 29.87 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:00 AM 60.8 °F - 57.2 °F 88% 29.89 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:10 AM 62.6 °F - 57.2 °F 82% 29.89 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:53 AM 66.9 °F - 57.0 °F 70% 29.86 in 10.0 mi SSE 3.5 mph - N/A   Clear
11:53 AM 73.0 °F - 57.0 °F 57% 29.85 in 10.0 mi SW 3.5 mph - N/A   Clear
12:53 PM 79.0 °F - 57.0 °F 47% 29.83 in 10.0 mi SSE 4.6 mph - N/A   Clear
1:53 PM 84.0 °F 82.9 °F 55.0 °F 37% 29.80 in 10.0 mi SSE 8.1 mph - N/A   Clear
2:53 PM 84.0 °F 82.6 °F 54.0 °F 35% 29.77 in 10.0 mi South 9.2 mph - N/A   Clear
3:53 PM 86.0 °F 84.2 °F 54.0 °F 33% 29.75 in 10.0 mi SSW 6.9 mph - N/A   Clear
4:53 PM 86.0 °F - 52.0 °F 31% 29.73 in 10.0 mi South 8.1 mph - N/A   Clear
5:53 PM 84.0 °F 82.6 °F 54.0 °F 35% 29.72 in 10.0 mi South 5.8 mph - N/A   Clear
6:53 PM 73.9 °F - 54.0 °F 50% 29.73 in 10.0 mi SE 9.2 mph - N/A   Clear
7:53 PM 66.9 °F - 53.1 °F 61% 29.74 in 10.0 mi SSE 5.8 mph - N/A   Clear
8:53 PM 64.0 °F - 53.1 °F 67% 29.76 in 10.0 mi SSE 4.6 mph - N/A   Clear
9:53 PM 63.0 °F - 53.1 °F 70% 29.77 in 10.0 mi SSE 3.5 mph - N/A   Clear
10:53 PM 59.0 °F - 52.0 °F 78% 29.78 in 10.0 mi SSE 4.6 mph - N/A   Clear
11:53 PM 57.9 °F - 52.0 °F 81% 29.78 in 10.0 mi SSE 4.6 mph - N/A   Clear