Weather History for Santa Rosa, CA

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Month of April, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 89 °F 69 °F 56 °F
Mean Temperature 70 °F 57 °F 47 °F
Min Temperature 56 °F 44 °F 33 °F
Degree Days  
Heating Degree Days (base 65) 18 8 0 252
Cooling Degree Days (base 65) 5 0 0 10
Growing Degree Days (base 50) 20 6 0 195
Dew Point  
Dew Point 61 °F 45 °F 22 °F
Precipitation  
Precipitation 0.94 in 0.08 in 0.00 in 2.12 in
Snowdepth - - - -
Wind  
Wind 25 mph 5 mph 0 mph
Gust Wind 35 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.26 in 30.00 in 29.69 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Apr. 26, 2012 Rise Set
Actual Time 6:19 AM PDT 7:58 PM PDT
Civil Twilight 5:51 AM PDT 8:27 PM PDT
Nautical Twilight 5:17 AM PDT 9:01 PM PDT
Astronomical Twilight 4:41 AM PDT 9:37 PM PDT
Moon 10:05 AM PDT (4/26) 12:06 AM PDT (4/26)
Length of Visible Light 14h 35m
Length of Day
13h 39m
Waxing Crescent, 25% of the Moon is Illuminated
Apr 26
Waxing Crescent
Apr 29
First Quarter
May 5
Full
May 12
Last Quarter
May 20
New

Weather History Calendar

Precipitation Actual month total 2.12 Normal Month Total: 2.09
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Scattered Clouds
Actual:
62 | 40 T
Average:
66 | 42 0.08
Scattered Clouds
Actual:
66 | 39 0.00
Average:
66 | 42 0.09
Rain
Actual:
65 | 40 0.01
Average:
66 | 42 0.08
Fog
Actual:
63 | 35 0.00
Average:
67 | 42 0.08
Scattered Clouds
Actual:
60 | 34 0.00
Average:
67 | 42 0.08
Fog
Actual:
62 | 33 0.00
Average:
67 | 42 0.08
Partly Cloudy
Actual:
67 | 34 0.00
Average:
67 | 42 0.08
Partly Cloudy
Actual:
68 | 34 0.00
Average:
67 | 42 0.08
Scattered Clouds
Actual:
71 | 41 T
Average:
68 | 42 0.07
Rain
Actual:
56 | 50 0.61
Average:
68 | 42 0.08
Rain
Actual:
60 | 46 0.01
Average:
68 | 42 0.08
Rain
Actual:
60 | 45 0.94
Average:
68 | 42 0.07
Rain
Actual:
60 | 44 0.39
Average:
68 | 42 0.07
Scattered Clouds
Actual:
68 | 43 0.00
Average:
69 | 42 0.08
Fog
Actual:
66 | 42 0.01
Average:
69 | 42 0.07
Fog
Actual:
69 | 42 0.00
Average:
69 | 42 0.07
Fog
Actual:
69 | 43 0.00
Average:
69 | 42 0.06
Fog
Actual:
73 | 46 0.00
Average:
69 | 42 0.07
Scattered Clouds
Actual:
81 | 51 0.00
Average:
70 | 43 0.07
Clear
Actual:
78 | 55 0.00
Average:
70 | 43 0.07
Clear
Actual:
89 | 51 0.00
Average:
70 | 43 0.07
Scattered Clouds
Actual:
77 | 51 0.00
Average:
70 | 43 0.06
Rain
Actual:
61 | 53 0.05
Average:
70 | 43 0.07
Rain
Actual:
67 | 56 0.08
Average:
70 | 43 0.06
Rain
Actual:
69 | 56 0.01
Average:
71 | 43 0.07
Partly Cloudy
Actual:
65 | 45 0.01
Average:
71 | 44 0.06
Scattered Clouds
Actual:
72 | 39 0.00
Average:
71 | 44 0.05
Clear
Actual:
80 | 47 0.00
Average:
71 | 44 0.05
Clear
Actual:
82 | 49 0.00
Average:
71 | 44 0.04
Scattered Clouds
Actual:
84 | 47 0.00
Average:
72 | 44 0.05
 

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
Apr high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 62 51 40 42 37 33 86 60 34 30.26 30.21 30.01 10 10 10 21 9 25 T  
2 66 53 39 46 40 35 93 64 34 30.25 30.13 30.03 10 10 10 14 4 17 0.00  
3 65 53 40 52 45 39 100 74 48 30.08 30.03 29.97 10 8 0 20 5 24 0.01 Fog , Rain
4 63 49 35 42 35 31 92 64 35 30.18 30.13 30.09 10 10 10 18 7 25 0.00 Fog
5 60 47 34 34 30 22 89 56 23 30.17 30.11 30.04 10 10 10 18 8 24 0.00  
6 62 48 33 36 31 23 96 61 25 30.26 30.21 30.15 10 9 2 13 3 17 0.00 Fog
7 67 51 34 39 35 32 96 64 31 30.15 30.08 30.01 10 10 10 12 4 15 0.00  
8 68 51 34 43 37 29 92 61 29 30.06 30.02 29.99 10 10 10 13 4 16 0.00  
9 71 56 41 45 39 24 92 55 18 30.00 29.90 29.80 10 10 10 16 4 24 T  
10 56 53 50 52 50 45 100 93 86 29.88 29.84 29.79 10 6 2 13 4 15 0.61 Rain
11 60 53 46 50 46 42 100 79 57 29.92 29.83 29.78 10 6 0 22 8 29 0.01 Fog , Rain
12 60 53 45 48 44 38 93 69 44 29.99 29.90 29.73 10 8 2 25 9 35 0.94 Rain
13 60 52 44 47 42 36 93 72 50 29.85 29.75 29.69 10 10 5 25 8 31 0.39 Rain
14 68 56 43 48 41 35 93 66 39 30.09 29.97 29.86 10 10 10 15 5 20 0.00  
15 66 54 42 52 46 41 100 79 58 30.22 30.16 30.11 10 5 0 14 4 17 0.01 Fog
16 69 56 42 49 44 41 100 73 45 30.22 30.18 30.15 10 6 0 13 4 16 0.00 Fog
17 69 56 43 54 47 43 100 78 56 30.18 30.13 30.06 10 6 0 14 4 17 0.00 Fog
18 73 60 46 52 48 44 100 72 44 30.13 30.10 30.04 10 8 1 16 5 21 0.00 Fog
19 81 66 51 61 55 50 96 72 48 30.14 30.09 30.03 10 10 10 13 4 16 0.00  
20 78 67 55 58 55 52 93 72 50 30.04 30.00 29.93 10 10 10 13 5 - 0.00  
21 89 70 51 60 54 50 93 65 36 29.97 29.89 29.81 10 10 10 13 3 17 0.00  
22 77 64 51 57 53 50 96 73 50 29.91 29.87 29.83 10 10 9 16 5 21 0.00  
23 61 57 53 54 52 50 93 83 72 30.01 29.94 29.90 10 8 3 12 4 16 0.05 Rain
24 67 62 56 57 54 51 100 82 63 30.04 29.99 29.94 10 7 2 12 3 16 0.08 Rain
25 69 63 56 56 54 51 93 74 55 29.99 29.86 29.75 10 10 9 13 3 15 0.01 Rain
26 65 55 45 54 48 38 93 65 37 30.18 29.88 29.76 10 10 4 22 9 32 0.01  
27 72 56 39 46 41 32 93 60 26 30.22 30.17 30.09 10 10 10 14 4 18 0.00  
28 80 64 47 55 48 42 86 62 38 30.12 29.97 29.84 10 10 10 13 4 17 0.00  
29 82 66 49 54 50 47 93 65 36 29.89 29.86 29.83 10 10 10 15 4 18 0.00  
30 84 66 47 56 49 45 93 65 37 29.93 29.89 29.84 10 10 8 22 7 28 0.00