Weather History for Santa Rosa, CA

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Tuesday, January 21, 2014

  Actual Average Record
Temperature  
Mean Temperature 50 °F 47 °F  
Max Temperature 73 °F 57 °F 68 °F (2007)
Min Temperature 26 °F 37 °F 26 °F (2013)
Degree Days  
Heating Degree Days 15    
Month to date heating degree days 348  
Since 1 July heating degree days 1459  
Cooling Degree Days 0    
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Moisture  
Dew Point 30 °F    
Average Humidity 58    
Maximum Humidity 100    
Minimum Humidity 16    
Precipitation  
Precipitation 0.00 in 0.17 in 1.27 in (2010)
Month to date precipitation 0.08 5.32  
Year to date precipitation 0.08 5.32  
Since 1 July precipitation 2.10 19.51  
Sea Level Pressure  
Sea Level Pressure 30.19 in    
Wind  
Wind Speed 1 mph (West)    
Max Wind Speed 7 mph    
Max Gust Speed 9 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Astronomy

Jan. 21, 2014 Rise Set
Actual Time 7:24 AM PST 5:21 PM PST
Civil Twilight 6:55 AM PST 5:49 PM PST
Nautical Twilight 6:23 AM PST 6:22 PM PST
Astronomical Twilight 5:52 AM PST 6:53 PM PST
Moon 10:54 PM PST 10:01 AM PST
Length of Visible Light 10h 53m
Length of Day
9h 56m
Waning Gibbous, 73% of the Moon is Illuminated
Jan 21
Waning Gibbous
Jan 23
Last Quarter
Jan 30
New
Feb 6
First Quarter
Feb 14
Full

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 34.0 °F - 30.9 °F 89% 30.21 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 33.1 °F - 28.9 °F 85% 30.21 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 33.1 °F - 28.9 °F 85% 30.21 in 10.0 mi Calm Calm - N/A   Clear
3:53 AM 32.0 °F - 28.9 °F 88% 30.21 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 30.0 °F - 27.0 °F 88% 30.21 in 10.0 mi Calm Calm - N/A   Clear
5:53 AM 28.9 °F - 28.0 °F 96% 30.23 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 28.0 °F 24.2 °F 27.0 °F 96% 30.24 in 10.0 mi NW 3.5 mph - N/A   Clear
7:53 AM 28.0 °F 24.2 °F 26.1 °F 92% 30.25 in 10.0 mi North 3.5 mph - N/A   Clear
8:53 AM 37.0 °F - 32.0 °F 82% 30.25 in 10.0 mi Calm Calm - N/A   Clear
9:53 AM 46.9 °F - 30.9 °F 54% 30.25 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:53 AM 54.0 °F - 30.0 °F 40% 30.25 in 10.0 mi Calm Calm - N/A   Scattered Clouds
11:53 AM 57.9 °F - 30.0 °F 35% 30.22 in 10.0 mi South 3.5 mph - N/A   Scattered Clouds
12:53 PM 63.0 °F - 28.9 °F 28% 30.18 in 10.0 mi Calm Calm - N/A   Scattered Clouds
1:53 PM 69.1 °F - 28.0 °F 22% 30.15 in 10.0 mi Calm Calm - N/A   Scattered Clouds
2:53 PM 72.0 °F - 26.1 °F 18% 30.13 in 10.0 mi Calm Calm - N/A   Scattered Clouds
3:53 PM 73.0 °F - 24.1 °F 16% 30.13 in 10.0 mi Calm Calm - N/A   Clear
4:53 PM 66.9 °F - 28.0 °F 23% 30.14 in 10.0 mi SE 4.6 mph - N/A   Partly Cloudy
5:53 PM 61.0 °F - 30.9 °F 32% 30.15 in 10.0 mi South 4.6 mph - N/A   Clear
6:53 PM 55.0 °F - 33.1 °F 43% 30.17 in 10.0 mi SW 3.5 mph - N/A   Clear
7:53 PM 48.0 °F - 33.1 °F 56% 30.17 in 10.0 mi NNE 3.5 mph - N/A   Clear
8:53 PM 44.1 °F 41.5 °F 32.0 °F 63% 30.17 in 10.0 mi WNW 4.6 mph - N/A   Clear
9:53 PM 41.0 °F 39.0 °F 33.1 °F 73% 30.17 in 10.0 mi NW 3.5 mph - N/A   Clear
10:53 PM 39.0 °F - 30.9 °F 73% 30.17 in 10.0 mi Calm Calm - N/A   Clear
11:53 PM 37.9 °F - 32.0 °F 79% 30.16 in 10.0 mi Calm Calm - N/A   Clear