Weather History for Santa Rosa, CA

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Month of October, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 102 °F 77 °F 58 °F
Mean Temperature 76 °F 62 °F 53 °F
Min Temperature 58 °F 47 °F 39 °F
Degree Days  
Heating Degree Days (base 65) 12 4 0 130
Cooling Degree Days (base 65) 11 2 0 49
Growing Degree Days (base 50) 26 12 2 377
Dew Point  
Dew Point 62 °F 49 °F 25 °F
Precipitation  
Precipitation 1.13 in 0.08 in 0.00 in 2.40 in
Snowdepth - - - -
Wind  
Wind 21 mph 3 mph 0 mph
Gust Wind 41 mph 19 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.29 in 29.98 in 29.70 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Oct. 17, 2012 Rise Set
Actual Time 7:22 AM PDT 6:29 PM PDT
Civil Twilight 6:56 AM PDT 6:56 PM PDT
Nautical Twilight 6:25 AM PDT 7:27 PM PDT
Astronomical Twilight 5:54 AM PDT 7:57 PM PDT
Moon 10:01 AM PDT (10/17) 8:12 PM PDT (10/17)
Length of Visible Light 12h 00m
Length of Day
11h 06m
Waxing Crescent, 8% of the Moon is Illuminated
Oct 17
Waxing Crescent
Oct 21
First Quarter
Oct 29
Full
Nov 6
Last Quarter
Nov 13
New

Weather History Calendar

Precipitation Actual month total 2.40 Normal Month Total: 2.03
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
101 | 47 0.00
Average:
81 | 47 0.02
Clear
Actual:
102 | 50 0.00
Average:
81 | 47 0.02
Scattered Clouds
Actual:
89 | 51 0.00
Average:
80 | 47 0.03
Partly Cloudy
Actual:
70 | 51 0.00
Average:
80 | 47 0.02
Fog
Actual:
74 | 47 0.00
Average:
80 | 47 0.03
Fog
Actual:
74 | 44 0.00
Average:
80 | 46 0.03
Partly Cloudy
Actual:
77 | 47 0.00
Average:
79 | 46 0.03
Fog
Actual:
72 | 41 0.00
Average:
79 | 46 0.03
Fog
Actual:
73 | 45 0.00
Average:
79 | 46 0.04
Fog
Actual:
78 | 43 0.01
Average:
79 | 46 0.05
Overcast
Actual:
58 | 51 T
Average:
78 | 46 0.05
Mostly Cloudy
Actual:
64 | 45 0.00
Average:
78 | 46 0.05
Scattered Clouds
Actual:
78 | 44 0.00
Average:
78 | 45 0.06
Fog
Actual:
81 | 52 0.00
Average:
77 | 45 0.06
Fog
Actual:
85 | 50 0.01
Average:
77 | 45 0.06
Clear
Actual:
89 | 58 0.00
Average:
77 | 45 0.06
Clear
Actual:
92 | 47 0.00
Average:
76 | 45 0.07
Scattered Clouds
Actual:
91 | 43 0.00
Average:
76 | 45 0.08
Partly Cloudy
Actual:
76 | 56 0.00
Average:
76 | 45 0.08
Fog
Actual:
80 | 46 0.00
Average:
75 | 44 0.08
Rain
Actual:
68 | 39 0.06
Average:
75 | 44 0.08
Rain
Actual:
61 | 48 1.13
Average:
75 | 44 0.08
Rain
Actual:
63 | 42 0.23
Average:
74 | 44 0.08
Rain
Actual:
64 | 50 0.04
Average:
74 | 44 0.10
Rain
Actual:
70 | 46 0.06
Average:
74 | 44 0.10
Clear
Actual:
77 | 43 0.00
Average:
73 | 44 0.10
Clear
Actual:
84 | 48 0.00
Average:
73 | 44 0.11
Fog
Actual:
82 | 49 0.00
Average:
72 | 43 0.10
Fog
Actual:
78 | 44 0.00
Average:
72 | 43 0.11
Fog
Actual:
71 | 48 0.00
Average:
71 | 43 0.11
Rain
Actual:
61 | 54 0.86
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

2012 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  
1 101 74 47 46 40 25 80 44 8 29.98 29.92 29.86 10 10 10 12 2 15 0.00  
2 102 76 50 46 41 35 71 41 11 29.86 29.81 29.74 10 10 10 12 2 14 0.00  
3 89 70 51 55 48 42 87 53 19 29.98 29.86 29.78 10 10 10 15 5 18 0.00  
4 70 61 51 54 52 49 89 72 55 30.11 30.06 29.99 10 10 6 14 5 17 0.00  
5 74 61 47 53 50 46 96 72 47 30.14 30.10 30.04 10 8 0 17 5 21 0.00 Fog
6 74 59 44 52 47 43 100 72 44 30.07 30.03 29.94 10 5 0 15 3 17 0.00 Fog
7 77 62 47 52 49 46 96 67 38 30.01 29.96 29.90 10 7 1 13 3 18 0.00  
8 72 57 41 50 46 39 100 72 44 30.02 29.99 29.96 10 8 0 15 4 18 0.00 Fog
9 73 59 45 50 47 44 100 71 41 30.03 29.99 29.91 10 6 0 12 2 15 0.00 Fog
10 78 61 43 50 47 41 100 66 31 29.96 29.92 29.82 10 7 0 15 4 17 0.01 Fog
11 58 55 51 50 49 48 96 84 72 29.93 29.89 29.84 10 10 6 10 4 13 T  
12 64 55 45 50 48 45 93 75 56 30.21 30.07 29.93 10 10 10 9 3 12 0.00  
13 78 61 44 56 49 43 100 71 42 30.29 30.22 30.13 10 10 10 12 3 15 0.00  
14 81 67 52 57 54 52 100 73 45 30.22 30.14 30.04 10 5 0 12 2 15 0.00 Fog
15 85 68 50 60 53 50 100 66 31 30.10 30.03 29.91 10 5 0 14 2 17 0.01 Fog
16 89 74 58 62 57 50 90 62 34 29.97 29.91 29.82 10 10 10 16 7 22 0.00  
17 92 70 47 50 42 34 93 54 14 29.89 29.85 29.76 10 10 10 12 3 14 0.00  
18 91 67 43 58 46 38 87 53 19 30.02 29.93 29.86 10 10 10 17 3 22 0.00  
19 76 66 56 57 55 53 93 72 50 30.04 29.97 29.90 10 10 10 12 3 15 0.00  
20 80 63 46 54 50 31 100 59 18 29.91 29.85 29.74 10 6 0 14 3 21 0.00 Fog
21 68 54 39 50 40 29 93 59 24 29.91 29.85 29.81 10 10 10 15 3 20 0.06 Rain
22 61 55 48 52 49 42 100 77 53 29.90 29.79 29.70 10 7 1 21 6 41 1.13 Rain
23 63 53 42 48 44 39 100 72 43 30.05 29.98 29.91 10 8 0 13 2 16 0.23 Fog , Rain
24 64 57 50 52 49 43 100 76 51 30.18 30.07 29.99 10 9 2 14 3 17 0.04 Rain
25 70 58 46 52 48 36 100 66 32 30.25 30.21 30.18 10 8 3 13 3 16 0.06 Rain
26 77 60 43 52 46 40 96 63 29 30.22 30.14 30.07 10 10 10 8 2 9 0.00  
27 84 66 48 58 53 48 93 65 37 30.06 30.00 29.92 10 10 10 8 2 10 0.00  
28 82 66 49 57 52 48 100 70 39 30.01 29.96 29.91 10 7 0 13 3 15 0.00 Fog
29 78 61 44 56 49 43 100 68 36 30.11 30.05 30.00 10 4 0 8 1 9 0.00 Fog
30 71 60 48 57 52 46 100 81 61 30.06 30.01 29.94 10 4 0 9 3 12 0.00 Fog
31 61 58 54 57 55 54 100 89 78 30.00 29.97 29.93 10 5 1 12 3 15 0.86 Rain