Weather History for Santa Rosa, CA

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Sunday, January 6, 2013

  Actual Average Record
Temperature  
Mean Temperature 42 °F 46 °F  
Max Temperature 48 °F 56 °F 70 °F (2003)
Min Temperature 36 °F 36 °F 28 °F (2012)
Degree Days  
Heating Degree Days 22    
Month to date heating degree days 115  
Since 1 July heating degree days 1182  
Cooling Degree Days 0    
Month to date cooling degree days 0  
Year to date cooling degree days 0  
Moisture  
Dew Point 38 °F    
Average Humidity 93    
Maximum Humidity 100    
Minimum Humidity 80    
Precipitation  
Precipitation 0.00 in 0.29 in 0.30 in (2008)
Month to date precipitation 0.44 1.82  
Year to date precipitation 0.44 1.82  
Since 1 July precipitation 22.85 16.01  
Sea Level Pressure  
Sea Level Pressure 30.15 in    
Wind  
Wind Speed 2 mph (WNW)    
Max Wind Speed 8 mph    
Max Gust Speed -    
Visibility 4 miles    
Events Fog    
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. 06, 2013 Rise Set
Actual Time 7:29 AM PST 5:05 PM PST
Civil Twilight 6:59 AM PST 5:35 PM PST
Nautical Twilight 6:26 AM PST 6:08 PM PST
Astronomical Twilight 5:54 AM PST 6:40 PM PST
Moon 1:51 AM PST (1/6) 12:35 PM PST (1/6)
Length of Visible Light 10h 35m
Length of Day
9h 36m
Waning Crescent, 32% of the Moon is Illuminated
Jan 6
Waning Crescent
Jan 11
New
Jan 18
First Quarter
Jan 26
Full
Feb 3
Last Quarter

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:39 AM 46.4 °F 42.9 °F 42.8 °F 87% 30.07 in 10.0 mi North 6.9 mph - N/A   Overcast
12:53 AM 45.0 °F 40.6 °F 43.0 °F 93% 30.05 in 10.0 mi North 8.1 mph - N/A   Overcast
1:53 AM - - - N/A% 30.09 in - North - - 0.00 in   Unknown
2:53 AM - - - N/A% 30.10 in - North - - N/A   Unknown
3:53 AM - - - N/A% 30.11 in - North - - N/A   Unknown
4:53 AM - - - N/A% 30.12 in - North - - N/A   Unknown
5:53 AM - - - N/A% 30.12 in - North - - N/A   Unknown
6:53 AM - - - N/A% 30.13 in - North - - N/A   Unknown
7:53 AM - - - N/A% 30.13 in - North - - N/A   Unknown
8:53 AM - - - N/A% 30.17 in - North - - N/A   Unknown
9:53 AM - - - N/A% 30.19 in - North - - N/A   Unknown
10:53 AM - - - N/A% 30.18 in - North - - N/A   Unknown
11:53 AM - - - N/A% 30.16 in - North - - N/A   Unknown
12:53 PM - - - N/A% 30.15 in - North - - N/A   Unknown
1:51 PM - - - N/A% 30.14 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:53 PM - - - N/A% 30.13 in - North - - N/A   Unknown
2:53 PM - - - N/A% 30.14 in - North - - N/A   Unknown
3:53 PM - - - N/A% 30.14 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
4:53 PM - - - N/A% 30.14 in - North - - N/A   Unknown
5:53 PM 48.0 °F - 42.1 °F 80% 30.14 in 10.0 mi Calm Calm - N/A   Unknown
7:53 PM 43.0 °F - 41.0 °F 93% 30.17 in 9.0 mi Calm Calm - N/A   Clear
8:22 PM 42.8 °F - 39.2 °F 87% 30.17 in 2.0 mi Calm Calm - N/A   Clear
8:32 PM 39.2 °F - 39.2 °F 100% 30.17 in 3.0 mi Calm Calm - N/A   Clear
8:38 PM 41.0 °F - 39.2 °F 93% 30.18 in 1.8 mi Calm Calm - N/A   Clear
8:50 PM 39.2 °F 35.9 °F 37.4 °F 93% 30.19 in 0.8 mi West 4.6 mph - N/A   Mist
8:53 PM 39.0 °F 35.7 °F 37.0 °F 93% 30.19 in 0.5 mi West 4.6 mph - N/A Fog Fog
9:09 PM 39.2 °F 37.0 °F 37.4 °F 93% 30.18 in 0.8 mi SW 3.5 mph - N/A   Clear
9:16 PM 39.2 °F - 37.4 °F 93% 30.18 in 2.0 mi Calm Calm - N/A   Clear
9:20 PM 39.2 °F - 37.4 °F 93% 30.18 in 1.2 mi Calm Calm - N/A   Partly Cloudy
9:24 PM 39.2 °F - 37.4 °F 93% 30.18 in 0.8 mi Calm Calm - N/A   Mist
9:33 PM 37.4 °F - 37.4 °F 100% 30.18 in 1.0 mi Calm Calm - N/A   Clear
9:53 PM 37.9 °F - 37.9 °F 100% 30.17 in 1.8 mi Calm Calm - N/A   Clear
10:07 PM 37.4 °F 34.9 °F 35.6 °F 93% 30.18 in 0.8 mi ESE 3.5 mph - N/A   Clear
10:16 PM 37.4 °F - 35.6 °F 93% 30.18 in 1.2 mi Calm Calm - N/A   Clear
10:23 PM 37.4 °F - 35.6 °F 93% 30.18 in 1.0 mi Calm Calm - N/A   Mist
10:35 PM 37.4 °F - 35.6 °F 93% 30.19 in 0.8 mi Calm Calm - N/A   Mist
10:53 PM 37.0 °F - 35.1 °F 93% 30.19 in 0.5 mi Calm Calm - N/A Fog Fog
11:53 PM 36.0 °F - 35.1 °F 97% 30.18 in 1.8 mi Calm Calm - N/A   Overcast