Weather History for Santa Rosa, CA

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Month of September, 2014

  Max Avg Min Sum
Temperature  
Max Temperature 96 °F 81 °F 72 °F
Mean Temperature 74 °F 68 °F 62 °F
Min Temperature 60 °F 53 °F 48 °F
Degree Days  
Heating Degree Days (base 65) 3 0 0 9
Cooling Degree Days (base 65) 9 3 0 84
Growing Degree Days (base 50) 24 17 12 496
Dew Point  
Dew Point 65 °F 54 °F 43 °F
Precipitation  
Precipitation 0.55 in 0.03 in 0.00 in 0.84 in
Snowdepth - - - -
Wind  
Wind 18 mph 4 mph 0 mph
Gust Wind 25 mph 18 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.04 in 29.86 in 29.68 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 17, 2014 Rise Set
Actual Time 6:54 AM PDT 7:16 PM PDT
Civil Twilight 6:28 AM PDT 7:42 PM PDT
Nautical Twilight 5:56 AM PDT 8:13 PM PDT
Astronomical Twilight 5:25 AM PDT 8:45 PM PDT
Moon 1:02 AM PDT (9/17) 3:26 PM PDT (9/17)
Length of Visible Light 13h 14m
Length of Day
12h 21m
Waning Crescent, 34% of the Moon is Illuminated
Sep 17
Waning Crescent
Sep 23
New
Oct 1
First Quarter
Oct 8
Full
Oct 15
Last Quarter

Weather History Calendar

Precipitation Actual month total 0.84 Normal Month Total: 0.35
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Clear
Actual:
96 | 51 0.00
Average:
84 | 51 0.01
Fog
Actual:
72 | 53 0.00
Average:
84 | 51 0.00
Partly Cloudy
Actual:
80 | 55 0.00
Average:
84 | 51 0.01
Rain
Actual:
79 | 56 T
Average:
84 | 51 0.00
Partly Cloudy
Actual:
79 | 53 0.00
Average:
84 | 51 0.01
Partly Cloudy
Actual:
80 | 50 0.00
Average:
84 | 50 0.00
Partly Cloudy
Actual:
79 | 50 T
Average:
84 | 50 0.01
Partly Cloudy
Actual:
73 | 50 0.00
Average:
84 | 50 0.01
Partly Cloudy
Actual:
84 | 53 T
Average:
84 | 50 0.01
Fog
Actual:
96 | 49 0.00
Average:
84 | 50 0.00
Fog
Actual:
96 | 51 0.00
Average:
84 | 50 0.01
Fog
Actual:
92 | 50 0.00
Average:
84 | 50 0.01
Partly Cloudy
Actual:
89 | 55 0.00
Average:
84 | 50 0.01
Partly Cloudy
Actual:
84 | 55 0.00
Average:
84 | 50 0.01
Fog
Actual:
82 | 51 0.00
Average:
84 | 50 0.00
Scattered Clouds
Actual:
85 | 49 0.00
Average:
84 | 49 0.01
Rain
Actual:
81 | 59 0.01
Average:
83 | 49 0.01
Rain
Actual:
76 | 59 0.10
Average:
83 | 49 0.00
Fog
Actual:
80 | 56 0.00
Average:
83 | 49 0.01
Partly Cloudy
Actual:
74 | 59 0.00
Average:
83 | 49 0.00
Partly Cloudy
Actual:
78 | 58 0.00
Average:
83 | 49 0.02
Partly Cloudy
Actual:
82 | 55 0.00
Average:
83 | 49 0.01
Fog
Actual:
84 | 48 0.01
Average:
82 | 48 0.01
Mostly Cloudy
Actual:
76 | 60 0.05
Average:
82 | 48 0.01
Rain
Actual:
72 | 55 0.12
Average:
82 | 48 0.01
Thunderstorm
Actual:
76 | 51 0.55
Average:
82 | 48 0.02
Fog
Actual:
80 | 50 T
Average:
82 | 48 0.02
Partly Cloudy
Actual:
76 | 51 0.00
Average:
81 | 48 0.02
Fog
Actual:
75 | 52 0.00
Average:
81 | 48 0.05
Fog
Actual:
84 | 48 0.00
Average:
81 | 47 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

2014 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 96 74 51 54 52 48 89 56 22 29.82 29.77 29.71 10 9 6 13 4 16 0.00  
2 72 63 53 56 54 51 100 79 57 29.83 29.78 29.74 10 6 0 15 6 18 0.00 Fog
3 80 68 55 58 55 54 100 74 48 29.80 29.74 29.68 10 8 2 16 5 20 0.00  
4 79 68 56 57 55 54 100 77 53 29.79 29.74 29.69 10 8 2 15 4 17 T Rain
5 79 66 53 55 54 52 93 69 45 29.90 29.85 29.79 10 9 4 14 4 16 0.00  
6 80 65 50 53 52 48 93 65 37 29.96 29.90 29.85 10 9 7 14 3 16 0.00  
7 79 65 50 52 51 48 93 67 40 29.89 29.84 29.77 10 9 6 13 4 16 T  
8 73 62 50 54 52 49 96 73 49 29.91 29.86 29.82 10 8 3 13 4 15 0.00  
9 84 69 53 54 52 51 93 64 34 29.99 29.92 29.86 10 10 3 14 3 16 T  
10 96 73 49 55 50 48 100 60 20 29.95 29.88 29.79 10 6 0 13 2 15 0.00 Fog
11 96 74 51 54 51 43 100 59 17 29.90 29.84 29.77 10 8 0 14 4 16 0.00 Fog
12 92 71 50 56 52 48 100 62 23 29.90 29.84 29.76 10 6 0 13 3 18 0.00 Fog
13 89 72 55 56 54 51 100 67 34 29.85 29.80 29.74 10 9 2 14 5 17 0.00  
14 84 70 55 56 54 52 93 64 34 29.86 29.81 29.76 10 9 2 17 4 21 0.00  
15 82 67 51 55 52 49 100 67 33 29.92 29.87 29.81 10 7 0 14 4 17 0.00 Fog
16 85 67 49 58 52 47 93 60 27 29.91 29.85 29.76 10 10 10 12 4 15 0.00  
17 81 70 59 64 57 54 100 71 42 29.82 29.77 29.72 10 9 4 15 4 20 0.01 Rain
18 76 68 59 65 63 59 100 80 60 29.86 29.81 29.74 10 8 2 13 5 16 0.10 Rain
19 80 68 56 63 59 55 100 77 54 29.91 29.87 29.80 10 6 0 15 4 18 0.00 Fog
20 74 67 59 61 59 57 100 81 61 29.94 29.89 29.85 10 8 3 13 4 16 0.00  
21 78 68 58 58 56 55 93 72 50 29.99 29.95 29.91 10 10 10 15 4 20 0.00  
22 82 69 55 58 55 53 100 70 39 30.04 29.97 29.91 10 10 4 13 3 15 0.00  
23 84 66 48 61 55 48 100 74 47 29.99 29.94 29.87 10 8 0 12 3 16 0.01 Fog
24 76 68 60 64 61 57 97 81 64 29.94 29.90 29.84 10 9 2 14 6 18 0.05  
25 72 64 55 59 57 55 100 79 57 30.00 29.94 29.88 10 9 2 14 4 20 0.12 Rain
26 76 64 51 57 53 51 100 73 46 30.01 29.95 29.88 10 7 0 18 5 25 0.55 Fog , Rain , Thunderstorm
27 80 65 50 56 53 48 100 68 35 29.92 29.85 29.75 10 10 2 13 3 16 T Fog
28 76 64 51 57 54 50 100 73 46 29.95 29.85 29.79 10 8 2 14 4 16 0.00  
29 75 64 52 56 55 52 100 77 53 30.03 29.96 29.91 10 6 0 13 3 16 0.00 Fog
30 84 66 48 56 52 48 100 68 36 29.96 29.92 29.81 10 4 0 10 2 14 0.00 Fog