Weather History for Santa Rosa, CA

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Month of February, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 81 °F 61 °F 47 °F
Mean Temperature 65 °F 48 °F 40 °F
Min Temperature 50 °F 35 °F 26 °F
Degree Days  
Heating Degree Days (base 65) 25 17 0 469
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 16 2 0 44
Dew Point  
Dew Point 54 °F 37 °F 12 °F
Precipitation  
Precipitation 1.89 in 0.21 in 0.00 in 5.88 in
Snowdepth - - - -
Wind  
Wind 29 mph 5 mph 0 mph
Gust Wind 43 mph 20 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.47 in 30.08 in 29.63 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Feb. 27, 2011 Rise Set
Actual Time 6:46 AM PST 6:02 PM PST
Civil Twilight 6:19 AM PST 6:28 PM PST
Nautical Twilight 5:49 AM PST 6:59 PM PST
Astronomical Twilight 5:18 AM PST 7:30 PM PST
Moon 3:37 AM PST (2/27) 1:26 PM PST (2/27)
Length of Visible Light 12h 09m
Length of Day
11h 15m
Waning Crescent, 22% of the Moon is Illuminated
Feb 27
Waning Crescent
Mar 4
New
Mar 12
First Quarter
Mar 19
Full
Mar 26
Last Quarter

Weather History Calendar

Precipitation Actual month total 5.88 Normal Month Total: 6.63
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Fog
Actual:
70 | 35 0.00
Average:
59 | 38 0.24
Scattered Clouds
Actual:
68 | 39 0.00
Average:
62 | 37 0.24
Scattered Clouds
Actual:
64 | 31 0.00
Average:
61 | 36 0.24
Fog
Actual:
69 | 32 0.00
Average:
62 | 37 0.24
Scattered Clouds
Actual:
80 | 40 0.00
Average:
60 | 35 0.24
Scattered Clouds
Actual:
81 | 48 0.00
Average:
60 | 39 0.24
Scattered Clouds
Actual:
77 | 40 0.00
Average:
62 | 39 0.24
Clear
Actual:
63 | 41 0.00
Average:
61 | 37 0.24
Clear
Actual:
66 | 32 0.00
Average:
61 | 38 0.24
Clear
Actual:
69 | 30 0.00
Average:
61 | 36 0.24
Scattered Clouds
Actual:
68 | 31 0.00
Average:
60 | 37 0.24
Fog
Actual:
68 | 32 0.00
Average:
59 | 37 0.24
Fog
Actual:
64 | 31 0.00
Average:
58 | 40 0.24
Rain
Actual:
55 | 45 0.71
Average:
59 | 40 0.24
Rain
Actual:
56 | 50 1.89
Average:
58 | 41 0.24
Rain
Actual:
51 | 39 0.34
Average:
58 | 42 0.24
Rain
Actual:
50 | 37 1.56
Average:
58 | 42 0.24
Rain
Actual:
47 | 33 0.50
Average:
58 | 40 0.24
Rain
Actual:
48 | 33 0.01
Average:
60 | 39 0.24
Fog
Actual:
54 | 30 0.00
Average:
58 | 43 0.23
Fog
Actual:
52 | 33 0.00
Average:
60 | 42 0.23
Fog
Actual:
60 | 31 0.00
Average:
59 | 41 0.23
Partly Cloudy
Actual:
58 | 32 0.00
Average:
58 | 39 0.23
Rain
Actual:
51 | 36 0.31
Average:
57 | 42 0.23
Rain
Actual:
52 | 30 0.55
Average:
60 | 42 0.23
Scattered Clouds
Actual:
53 | 26 0.00
Average:
58 | 40 0.23
Fog
Actual:
56 | 28 0.00
Average:
61 | 41 0.23
Rain
Actual:
53 | 38 0.01
Average:
62 | 39 0.23
 

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
Feb high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 70 53 35 45 31 15 100 58 15 30.22 30.17 30.11 10 6 0 21 7 29 0.00 Fog
2 68 54 39 34 25 12 73 45 16 30.40 30.31 30.23 10 10 10 21 5 26 0.00  
3 64 48 31 42 36 31 92 64 36 30.47 30.41 30.37 10 10 9 7 1 8 0.00  
4 69 51 32 51 38 32 100 72 44 30.41 30.35 30.24 10 4 0 6 1 7 0.00 Fog
5 80 60 40 49 44 39 100 65 30 30.29 30.24 30.16 10 8 2 13 5 16 0.00  
6 81 65 48 47 44 40 83 53 23 30.25 30.21 30.17 10 10 10 15 7 18 0.00  
7 77 59 40 46 39 30 96 58 19 30.23 30.14 30.03 10 10 5 21 7 29 0.00  
8 63 52 41 35 30 22 70 45 20 30.15 30.11 30.05 10 10 10 22 11 28 0.00  
9 66 49 32 32 27 20 82 51 19 30.22 30.17 30.14 10 10 10 17 4 23 0.00  
10 69 50 30 38 32 28 92 60 27 30.20 30.15 30.09 10 10 10 12 3 15 0.00  
11 68 50 31 43 37 30 96 65 34 30.23 30.18 30.14 10 10 10 9 1 10 0.00  
12 68 50 32 43 38 33 100 68 36 30.27 30.22 30.16 10 5 0 9 3 13 0.00 Fog
13 64 48 31 43 38 30 100 70 39 30.21 30.09 29.95 10 6 0 10 4 14 0.00 Fog
14 55 50 45 54 49 41 100 89 77 30.10 30.02 29.93 10 5 1 21 8 28 0.71 Rain
15 56 53 50 50 48 45 96 84 71 30.07 29.86 29.71 10 6 2 29 12 43 1.89 Rain
16 51 45 39 46 40 36 96 78 59 29.94 29.83 29.70 10 9 2 21 7 30 0.34 Rain
17 50 44 37 46 40 36 100 92 83 29.93 29.83 29.72 10 8 2 14 4 20 1.56 Rain
18 47 40 33 40 36 33 100 88 76 29.93 29.82 29.63 10 5 0 14 5 21 0.50 Fog , Rain
19 48 41 33 40 37 32 100 86 71 29.96 29.79 29.63 10 4 0 9 1 10 0.01 Fog , Rain
20 54 42 30 40 34 28 100 77 54 30.13 30.07 29.98 10 5 0 13 1 14 0.00 Fog
21 52 43 33 39 35 32 100 77 54 30.09 30.02 29.91 10 6 0 12 3 15 0.00 Fog
22 60 46 31 42 35 29 100 71 42 30.13 30.07 30.04 10 10 10 10 5 14 0.00 Fog
23 58 45 32 37 34 29 100 68 35 30.14 30.07 30.02 10 10 9 12 4 14 0.00  
24 51 44 36 45 40 34 93 82 70 30.18 30.10 29.96 10 9 5 13 3 17 0.31 Rain
25 52 41 30 43 35 22 100 68 36 29.95 29.82 29.73 10 8 2 20 7 24 0.55 Rain
26 53 40 26 32 28 23 100 66 32 29.91 29.86 29.83 10 9 2 14 5 18 0.00  
27 56 42 28 39 33 27 100 71 41 30.17 30.04 29.92 10 9 2 14 3 16 0.00 Fog
28 53 46 38 43 40 37 89 76 63 30.23 30.20 30.16 10 8 2 10 2 15 0.01 Rain