Weather History for Santa Rosa, CA

Change the Weather History Date:

Week of September 25, 2011 through October 1, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 97 °F 81 °F 69 °F
Mean Temperature 76 °F 67 °F 63 °F
Min Temperature 58 °F 53 °F 49 °F
Degree Days  
Heating Degree Days (base 65) 2 0 0 3
Cooling Degree Days (base 65) 11 3 0 20
Growing Degree Days (base 50) 26 17 13 119
Dew Point  
Dew Point 59 °F 54 °F 46 °F
Precipitation  
Precipitation 0.01 in 0.01 in 0.00 in 0.03 in
Snowdepth - - - -
Wind  
Wind 15 mph 3 mph 0 mph
Gust Wind 20 mph 17 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.07 in 29.95 in 29.85 in

Weekly Weather History Graph

Weekly Weather History Graph

Search for Another Location

Airport:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Sep. 29, 2011 Rise Set
Actual Time 7:05 AM PDT 6:57 PM PDT
Civil Twilight 6:38 AM PDT 7:23 PM PDT
Nautical Twilight 6:07 AM PDT 7:54 PM PDT
Astronomical Twilight 5:36 AM PDT 8:25 PM PDT
Moon 9:53 AM PDT (9/29) 8:17 PM PDT (9/29)
Length of Visible Light 12h 45m
Length of Day
11h 52m
Waxing Crescent, 8% of the Moon is Illuminated
Sep 29
Waxing Crescent
Oct 3
First Quarter
Oct 11
Full
Oct 19
Last Quarter
Oct 26
New

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  
25 75 63 50 59 55 51 93 71 49 30.02 29.97 29.94 10 9 1 13 3 17 0.01  
26 82 66 50 53 50 47 100 67 33 30.07 30.00 29.94 10 6 0 12 2 15 0.01 Fog
27 91 70 49 53 50 46 93 60 26 30.03 29.97 29.90 10 10 10 10 2 14 0.00  
28 97 76 55 56 53 51 86 54 22 29.96 29.91 29.85 10 10 10 9 2 13 0.00  
29 80 67 53 58 55 51 90 69 47 29.91 29.89 29.86 10 10 9 15 5 17 0.00 Fog
30 69 64 58 59 56 54 97 78 59 29.97 29.93 29.88 10 8 2 10 3 15 T Rain
2011 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Oct high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 73 66 58 58 56 53 93 73 53 30.02 29.96 29.92 10 10 7 15 4 20 0.01 Rain