Weather History for Santa Rosa, CA

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Month of August, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 96 °F 84 °F 70 °F
Mean Temperature 72 °F 67 °F 61 °F
Min Temperature 57 °F 49 °F 46 °F
Degree Days  
Heating Degree Days (base 65) 4 0 0 15
Cooling Degree Days (base 65) 7 3 0 79
Growing Degree Days (base 50) 22 16 10 506
Dew Point  
Dew Point 57 °F 50 °F 33 °F
Precipitation  
Precipitation 0.01 in 0.00 in 0.00 in 0.01 in
Snowdepth - - - -
Wind  
Wind 17 mph 5 mph 0 mph
Gust Wind 21 mph 18 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.12 in 29.88 in 29.69 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Aug. 10, 2012 Rise Set
Actual Time 6:21 AM PDT 8:10 PM PDT
Civil Twilight 5:52 AM PDT 8:39 PM PDT
Nautical Twilight 5:18 AM PDT 9:13 PM PDT
Astronomical Twilight 4:40 AM PDT 9:50 PM PDT
Moon 12:14 AM PDT (8/10) 2:55 PM PDT (8/10)
Length of Visible Light 14h 46m
Length of Day
13h 49m
Last Quarter, 41% of the Moon is Illuminated
Aug 10
Last Quarter
Aug 17
New
Aug 24
First Quarter
Aug 31
Full
Sep 8
Last Quarter

Weather History Calendar

Precipitation Actual month total 0.01 Normal Month Total: 0.08
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
83 | 47 0.00
Average:
83 | 52 0.00
Fog
Actual:
85 | 46 0.00
Average:
83 | 52 0.00
Partly Cloudy
Actual:
81 | 51 0.00
Average:
83 | 51 0.00
Partly Cloudy
Actual:
70 | 51 0.00
Average:
83 | 51 0.00
Partly Cloudy
Actual:
75 | 57 T
Average:
83 | 51 0.00
Partly Cloudy
Actual:
85 | 54 0.00
Average:
83 | 51 0.01
Fog
Actual:
91 | 46 T
Average:
83 | 51 0.00
Clear
Actual:
96 | 46 0.00
Average:
83 | 51 0.00
Clear
Actual:
96 | 47 0.00
Average:
83 | 51 0.00
Clear
Actual:
93 | 50 0.00
Average:
83 | 51 0.00
Scattered Clouds
Actual:
94 | 48 0.00
Average:
83 | 51 0.00
Partly Cloudy
Actual:
87 | 48 T
Average:
83 | 51 0.00
Clear
Actual:
92 | 50 0.00
Average:
83 | 51 0.00
Partly Cloudy
Actual:
82 | 52 0.00
Average:
83 | 51 0.00
Partly Cloudy
Actual:
79 | 53 0.00
Average:
83 | 51 0.00
Partly Cloudy
Actual:
84 | 52 0.00
Average:
83 | 51 0.00
Partly Cloudy
Actual:
82 | 52 0.00
Average:
83 | 51 0.00
Clear
Actual:
87 | 52 0.00
Average:
83 | 51 0.00
Fog
Actual:
83 | 47 T
Average:
84 | 51 0.00
Fog
Actual:
86 | 50 0.00
Average:
84 | 51 0.01
Partly Cloudy
Actual:
85 | 52 0.00
Average:
84 | 51 0.00
Fog
Actual:
82 | 49 0.01
Average:
84 | 51 0.01
Fog
Actual:
78 | 50 0.00
Average:
84 | 51 0.00
Fog
Actual:
79 | 47 0.00
Average:
84 | 51 0.01
Partly Cloudy
Actual:
73 | 50 0.00
Average:
84 | 51 0.00
Partly Cloudy
Actual:
77 | 50 0.00
Average:
84 | 51 0.01
Clear
Actual:
88 | 46 0.00
Average:
84 | 51 0.00
Clear
Actual:
89 | 49 0.00
Average:
84 | 51 0.01
Clear
Actual:
94 | 46 0.00
Average:
84 | 51 0.01
Scattered Clouds
Actual:
83 | 47 0.00
Average:
84 | 51 0.00
Partly Cloudy
Actual:
72 | 49 0.00
Average:
84 | 51 0.01
 

Calendar Legend

Sunny
Clear
Mostly Cloudy
Partly Sunny
Partly Cloudy
Mostly Sunny
Cloudy Rain Snow
Hail
Flurries
Thunderstorms Hazy
Fog
Sleet '?' denotes
'chance of'
Unknown

Daily Weather History & Observations

2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Aug high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 83 65 47 55 50 46 93 63 33 30.02 29.97 29.92 10 10 9 14 4 17 0.00 Rain
2 85 66 46 55 50 44 96 64 32 29.97 29.91 29.84 10 9 6 14 5 17 0.00 Fog
3 81 66 51 54 51 50 100 70 39 29.90 29.85 29.78 10 7 2 15 5 18 0.00  
4 70 61 51 55 52 48 93 76 59 29.96 29.89 29.83 10 9 5 15 5 20 0.00  
5 75 66 57 57 55 53 87 72 57 30.07 30.00 29.94 10 9 4 14 5 17 T  
6 85 70 54 55 54 50 100 66 32 30.12 30.07 30.00 10 8 2 14 4 17 0.00  
7 91 69 46 55 49 36 96 56 15 30.04 29.99 29.92 10 8 0 14 4 17 T Fog
8 96 71 46 52 49 45 89 54 19 29.99 29.92 29.85 10 10 10 13 3 16 0.00  
9 96 72 47 53 50 44 93 58 22 29.91 29.85 29.78 10 10 9 15 4 18 0.00  
10 93 72 50 54 50 46 89 55 20 29.82 29.77 29.69 10 9 7 14 4 16 0.00  
11 94 71 48 54 49 46 93 60 26 29.82 29.75 29.69 10 9 6 14 4 16 0.00  
12 87 68 48 53 48 46 93 60 27 29.86 29.81 29.75 10 7 1 12 5 15 T  
13 92 71 50 53 48 41 89 54 19 29.83 29.78 29.73 10 10 10 12 5 14 0.00  
14 82 67 52 54 51 48 93 64 35 29.81 29.78 29.75 10 10 10 16 6 18 0.00  
15 79 66 53 55 52 50 93 67 40 29.89 29.82 29.79 10 10 7 17 7 21 0.00  
16 84 68 52 55 51 48 93 65 36 29.94 29.90 29.85 10 9 3 14 5 16 0.00  
17 82 67 52 54 52 51 100 70 39 30.00 29.95 29.86 10 6 1 14 5 18 0.00  
18 87 70 52 54 52 49 86 59 32 29.94 29.89 29.84 10 10 10 17 5 20 0.00  
19 83 65 47 52 49 45 100 68 35 29.96 29.91 29.85 10 5 0 16 5 20 T Fog
20 86 68 50 53 50 48 100 66 32 29.93 29.87 29.80 10 5 0 14 5 17 0.00 Fog
21 85 69 52 53 51 48 96 64 32 29.91 29.86 29.79 10 8 2 15 4 18 0.00  
22 82 66 49 54 50 47 100 70 39 29.92 29.87 29.84 10 6 0 15 5 18 0.01 Fog
23 78 64 50 55 50 48 96 71 46 29.95 29.89 29.81 10 6 0 14 4 17 0.00 Fog
24 79 63 47 53 49 46 100 71 42 29.90 29.86 29.81 10 5 0 15 5 17 0.00 Fog
25 73 62 50 52 50 48 93 69 44 29.88 29.82 29.77 10 8 2 14 5 16 0.00  
26 77 64 50 50 49 47 89 65 41 29.96 29.90 29.82 10 9 3 12 3 18 0.00  
27 88 67 46 57 51 44 93 64 34 30.02 29.96 29.91 10 10 10 14 3 16 0.00  
28 89 69 49 54 49 42 93 57 21 30.00 29.94 29.89 10 10 10 14 3 20 0.00  
29 94 70 46 50 45 33 93 53 13 29.91 29.83 29.75 10 10 10 12 3 15 0.00  
30 83 65 47 53 48 44 93 63 32 29.81 29.77 29.73 10 10 8 16 6 20 0.00  
31 72 61 49 52 50 47 89 69 49 29.91 29.87 29.81 10 10 5 15 5 17 0.00