Weather History for Santa Rosa, CA

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Month of October, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 88 °F 76 °F 61 °F
Mean Temperature 71 °F 62 °F 53 °F
Min Temperature 58 °F 47 °F 36 °F
Degree Days  
Heating Degree Days (base 65) 12 4 0 121
Cooling Degree Days (base 65) 6 1 0 24
Growing Degree Days (base 50) 20 11 3 351
Dew Point  
Dew Point 64 °F 51 °F 20 °F
Precipitation  
Precipitation 0.80 in 0.06 in 0.00 in 1.86 in
Snowdepth - - - -
Wind  
Wind 21 mph 3 mph 0 mph
Gust Wind 25 mph 18 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.16 in 29.98 in 29.57 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Oct. 26, 2011 Rise Set
Actual Time 7:31 AM PDT 6:18 PM PDT
Civil Twilight 7:04 AM PDT 6:45 PM PDT
Nautical Twilight 6:33 AM PDT 7:16 PM PDT
Astronomical Twilight 6:02 AM PDT 7:47 PM PDT
Moon 7:25 AM PDT (10/26) 6:06 PM PDT (10/26)
Length of Visible Light 11h 41m
Length of Day
10h 47m
Waning Crescent, 0% of the Moon is Illuminated
Oct 26
Waning Crescent
Oct 26
New
Nov 2
First Quarter
Nov 10
Full
Nov 18
Last Quarter

Weather History Calendar

Precipitation Actual month total 1.86 Normal Month Total: 2.03
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
73 | 58 0.01
Average:
81 | 47 0.02
Partly Cloudy
Actual:
75 | 52 0.00
Average:
81 | 47 0.02
Rain
Actual:
61 | 51 0.47
Average:
80 | 47 0.03
Rain
Actual:
65 | 56 0.39
Average:
80 | 47 0.02
Rain
Actual:
64 | 46 0.80
Average:
80 | 47 0.03
Rain
Actual:
68 | 46 0.08
Average:
80 | 46 0.03
Fog
Actual:
74 | 41 0.00
Average:
79 | 46 0.03
Fog
Actual:
75 | 45 0.00
Average:
79 | 46 0.03
Fog
Actual:
77 | 48 0.01
Average:
79 | 46 0.04
Rain
Actual:
69 | 56 0.08
Average:
79 | 46 0.05
Fog
Actual:
78 | 55 0.00
Average:
78 | 46 0.05
Scattered Clouds
Actual:
83 | 50 0.00
Average:
78 | 46 0.05
Scattered Clouds
Actual:
88 | 53 0.00
Average:
78 | 45 0.06
Scattered Clouds
Actual:
88 | 53 0.00
Average:
77 | 45 0.06
Fog
Actual:
70 | 54 0.00
Average:
77 | 45 0.06
Partly Cloudy
Actual:
71 | 53 0.00
Average:
77 | 45 0.06
Fog
Actual:
87 | 50 0.01
Average:
76 | 45 0.07
Fog
Actual:
78 | 51 0.00
Average:
76 | 45 0.08
Partly Cloudy
Actual:
73 | 51 0.00
Average:
76 | 45 0.08
Fog
Actual:
70 | 46 0.01
Average:
75 | 44 0.08
Fog
Actual:
79 | 46 0.00
Average:
75 | 44 0.08
Fog
Actual:
87 | 45 0.00
Average:
75 | 44 0.08
Fog
Actual:
86 | 47 0.00
Average:
74 | 44 0.08
Fog
Actual:
71 | 44 0.00
Average:
74 | 44 0.10
Fog
Actual:
63 | 43 0.00
Average:
74 | 44 0.10
Fog
Actual:
76 | 36 0.00
Average:
73 | 44 0.10
Scattered Clouds
Actual:
77 | 37 0.00
Average:
73 | 44 0.11
Clear
Actual:
78 | 37 0.00
Average:
72 | 43 0.10
Clear
Actual:
81 | 38 0.00
Average:
72 | 43 0.11
Clear
Actual:
81 | 40 0.00
Average:
71 | 43 0.11
Fog
Actual:
80 | 43 0.00
Average:
71 | 43 0.11
 

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

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
2 75 64 52 57 54 51 93 70 46 30.04 30.00 29.97 10 10 10 14 4 18 0.00  
3 61 56 51 58 53 48 96 91 86 29.99 29.91 29.85 10 7 2 10 3 14 0.47 Rain
4 65 61 56 57 55 51 100 82 63 29.89 29.83 29.61 10 8 2 15 6 21 0.39 Rain
5 64 55 46 56 50 46 100 78 56 29.85 29.70 29.57 10 9 3 20 5 25 0.80 Rain
6 68 57 46 52 47 42 93 68 42 30.06 29.92 29.84 10 10 4 21 4 25 0.08 Rain
7 74 58 41 49 44 39 100 66 31 30.14 30.10 30.06 10 8 1 12 2 16 0.00 Fog
8 75 60 45 55 51 45 100 72 43 30.09 30.05 29.99 10 10 10 12 3 15 0.00 Fog
9 77 63 48 57 51 46 100 73 46 30.05 29.99 29.90 10 4 0 10 2 13 0.01 Fog
10 69 63 56 64 60 53 100 89 78 29.95 29.92 29.89 10 8 2 10 4 12 0.08 Rain
11 78 67 55 61 60 55 100 77 54 30.07 30.02 29.97 10 6 0 10 2 12 0.00 Fog
12 83 67 50 59 54 46 100 64 28 30.09 30.03 29.94 10 8 2 8 2 10 0.00  
13 88 71 53 56 52 44 100 62 23 29.97 29.88 29.80 10 10 8 6 1 10 0.00  
14 88 71 53 58 55 52 93 62 31 29.83 29.80 29.76 10 10 10 8 2 12 0.00  
15 70 62 54 57 55 52 93 78 63 29.96 29.89 29.80 10 10 10 14 4 18 0.00 Fog
16 71 62 53 58 56 54 93 77 61 30.07 30.01 29.95 10 10 9 7 2 9 0.00  
17 87 69 50 63 54 50 100 71 42 30.10 30.06 29.97 10 4 0 8 2 10 0.01 Fog
18 78 65 51 60 55 50 100 75 50 30.04 30.00 29.94 10 7 0 15 4 20 0.00 Fog
19 73 62 51 57 55 51 93 75 57 30.01 29.97 29.92 10 10 10 9 3 13 0.00  
20 70 58 46 57 51 46 100 81 61 30.07 29.99 29.95 10 3 0 9 1 14 0.01 Fog
21 79 63 46 56 50 45 100 71 42 30.16 30.09 30.06 10 4 0 7 1 9 0.00 Fog
22 87 66 45 55 49 43 100 64 27 30.11 30.06 29.96 10 7 1 7 2 10 0.00 Fog
23 86 67 47 56 51 45 93 64 34 29.98 29.93 29.87 10 10 2 8 3 8 0.00 Fog
24 71 58 44 55 51 45 100 79 57 30.00 29.95 29.91 10 8 2 10 3 14 0.00 Fog
25 63 53 43 52 49 43 93 80 67 30.07 30.04 30.00 10 4 0 8 2 14 0.00 Fog
26 76 56 36 46 39 20 100 57 13 30.12 30.07 30.01 10 5 0 10 3 14 0.00 Fog
27 77 57 37 42 37 29 92 55 18 30.06 30.02 29.97 10 10 10 9 2 10 0.00  
28 78 58 37 42 38 32 92 57 21 30.12 30.08 30.05 10 10 10 9 1 12 0.00  
29 81 60 38 45 42 36 92 58 23 30.14 30.08 30.02 10 10 10 8 1 10 0.00  
30 81 61 40 51 47 39 93 65 36 30.10 30.05 30.01 10 10 7 8 2 10 0.00  
31 80 62 43 55 50 43 93 68 42 30.05 30.00 29.93 10 10 2 10 2 13 0.00 Fog