Weather History for Santa Rosa, CA

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Week of September 4, 2011 through September 10, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 96 °F 83 °F 74 °F
Mean Temperature 72 °F 67 °F 63 °F
Min Temperature 53 °F 50 °F 47 °F
Degree Days  
Heating Degree Days (base 65) 2 0 0 2
Cooling Degree Days (base 65) 7 2 0 17
Growing Degree Days (base 50) 20 16 12 111
Dew Point  
Dew Point 59 °F 51 °F 33 °F
Precipitation  
Precipitation 0.01 in 0.00 in 0.00 in 0.01 in
Snowdepth - - - -
Wind  
Wind 14 mph 4 mph 0 mph
Gust Wind 17 mph - -
Sea Level Pressure  
Sea Level Pressure 30.09 in 29.90 in 29.66 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Sep. 05, 2011 Rise Set
Actual Time 6:43 AM PDT 7:35 PM PDT
Civil Twilight 6:16 AM PDT 8:02 PM PDT
Nautical Twilight 5:44 AM PDT 8:34 PM PDT
Astronomical Twilight 5:11 AM PDT 9:07 PM PDT
Moon 3:22 PM PDT (9/5) 12:09 AM PDT (9/5)
Length of Visible Light 13h 45m
Length of Day
12h 51m
First Quarter, 61% of the Moon is Illuminated
Sep 5
First Quarter
Sep 12
Full
Sep 20
Last Quarter
Sep 27
New
Oct 3
First Quarter

Daily Weather History & Observations

2011 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
4 78 66 53 56 53 50 93 72 50 29.93 29.89 29.84 10 8 2 13 4 16 0.00  
5 78 65 52 55 52 50 100 73 45 29.95 29.91 29.86 10 7 0 12 5 15 0.00 Fog
6 91 71 51 54 51 48 100 60 19 29.99 29.94 29.88 10 5 0 12 3 15 0.00 Fog
7 96 72 47 51 47 33 100 56 12 30.01 29.96 29.91 10 10 10 10 3 15 0.00  
8 82 65 48 54 50 46 100 67 34 30.09 30.01 29.94 10 5 0 14 4 17 0.01 Fog
9 84 68 51 59 52 50 100 70 39 29.95 29.84 29.69 10 5 0 12 4 15 0.00 Fog
10 74 63 51 56 54 50 96 77 57 29.86 29.76 29.66 10 10 7 13 5 17 0.00