Weather History for Santa Rosa, CA

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Week of September 2, 2012 through September 8, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 91 °F 82 °F 72 °F
Mean Temperature 69 °F 65 °F 61 °F
Min Temperature 50 °F 47 °F 43 °F
Degree Days  
Heating Degree Days (base 65) 4 1 0 9
Cooling Degree Days (base 65) 4 1 0 7
Growing Degree Days (base 50) 18 14 10 98
Dew Point  
Dew Point 53 °F 48 °F 35 °F
Precipitation  
Precipitation 0.00 in 0.00 in 0.00 in 0.00 in
Snowdepth - - - -
Wind  
Wind 15 mph 4 mph 0 mph
Gust Wind 17 mph - -
Sea Level Pressure  
Sea Level Pressure 30.11 in 29.97 in 29.85 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Sep. 04, 2012 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 9:36 PM PDT (9/4) 10:51 AM PDT (9/4)
Length of Visible Light 13h 45m
Length of Day
12h 51m
Waning Gibbous, 83% of the Moon is Illuminated
Sep 4
Waning Gibbous
Sep 8
Last Quarter
Sep 15
New
Sep 22
First Quarter
Sep 29
Full

Daily Weather History & Observations

2012 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  
2 90 67 43 53 46 35 100 58 16 29.98 29.93 29.85 10 6 0 12 3 15 0.00 Fog
3 91 69 46 50 46 39 93 55 16 29.95 29.90 29.86 10 10 9 13 4 16 0.00  
4 82 66 49 52 49 46 100 65 30 30.01 29.97 29.91 10 6 0 14 5 17 0.00 Fog
5 72 61 50 52 50 47 100 73 45 30.00 29.97 29.90 10 5 1 15 4 17 0.00  
6 76 62 48 50 48 45 100 69 38 30.01 29.96 29.92 10 7 0 15 4 17 0.00 Fog
7 82 64 45 48 46 40 93 58 23 30.11 30.03 29.97 10 10 3 14 4 16 0.00  
8 80 64 48 52 49 45 96 66 36 30.06 30.00 29.91 10 8 0 14 4 17 0.00 Fog