Weather History for Santa Rosa, CA

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Week of January 30, 2011 through February 5, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 80 °F 68 °F 59 °F
Mean Temperature 60 °F 52 °F 48 °F
Min Temperature 40 °F 36 °F 31 °F
Degree Days  
Heating Degree Days (base 65) 17 13 5 91
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 9 2 0 16
Dew Point  
Dew Point 51 °F 37 °F 12 °F
Precipitation  
Precipitation 0.40 in 0.06 in 0.00 in 0.41 in
Snowdepth - - - -
Wind  
Wind 21 mph 4 mph 0 mph
Gust Wind 29 mph 22 mph 18 mph
Sea Level Pressure  
Sea Level Pressure 30.47 in 30.25 in 29.91 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Feb. 04, 2011 Rise Set
Actual Time 7:14 AM PST 5:36 PM PST
Civil Twilight 6:46 AM PST 6:04 PM PST
Nautical Twilight 6:14 AM PST 6:36 PM PST
Astronomical Twilight 5:43 AM PST 7:07 PM PST
Moon 7:45 AM PST (2/4) 7:31 PM PST (2/4)
Length of Visible Light 11h 18m
Length of Day
10h 22m
Waxing Crescent, 3% of the Moon is Illuminated
Feb 4
Waxing Crescent
Feb 10
First Quarter
Feb 18
Full
Feb 24
Last Quarter
Mar 4
New

Daily Weather History & Observations

2011 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Jan high avg low high avg low high avg low high avg low high avg low high avg high sum  
30 59 49 39 48 44 37 93 75 57 30.22 30.02 29.91 10 8 0 14 6 20 0.40 Fog , Rain
31 64 49 33 50 39 32 100 76 52 30.29 30.23 30.18 10 3 0 9 2 10 0.01 Fog
2011 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Feb high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 70 53 35 45 31 15 100 58 15 30.22 30.17 30.11 10 6 0 21 7 29 0.00 Fog
2 68 54 39 34 25 12 73 45 16 30.40 30.31 30.23 10 10 10 21 5 26 0.00  
3 64 48 31 42 36 31 92 64 36 30.47 30.41 30.37 10 10 9 7 1 8 0.00  
4 69 51 32 51 38 32 100 72 44 30.41 30.35 30.24 10 4 0 6 1 7 0.00 Fog
5 80 60 40 49 44 39 100 65 30 30.29 30.24 30.16 10 8 2 13 5 16 0.00