Weather History for San Nicolas Island, CA

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Month of September, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 100 °F 81 °F 68 °F
Mean Temperature 86 °F 72 °F 64 °F
Min Temperature 83 °F 66 °F 60 °F
Degree Days  
Heating Degree Days (base 65) 1 0 0 1
Cooling Degree Days (base 65) 21 7 0 223
Growing Degree Days (base 50) 36 22 14 670
Dew Point  
Dew Point 64 °F 55 °F 23 °F
Precipitation  
Precipitation 0.00 in 0.00 in 0.00 in 0.00 in
Snowdepth - - - -
Wind  
Wind 26 mph 10 mph 0 mph
Gust Wind 36 mph 26 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.05 in 29.92 in 29.78 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 15, 2012 Rise Set
Actual Time 6:41 AM PDT 7:03 PM PDT
Civil Twilight 6:16 AM PDT 7:28 PM PDT
Nautical Twilight 5:47 AM PDT 7:57 PM PDT
Astronomical Twilight 5:18 AM PDT 8:26 PM PDT
Moon 6:16 AM PDT (9/15) 6:39 PM PDT (9/15)
Length of Visible Light 13h 11m
Length of Day
12h 21m
Waning Crescent, 0% of the Moon is Illuminated
Sep 15
Waning Crescent
Sep 15
New
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter

Weather History Calendar

Precipitation Actual month total 0.00 Average Month Total: 0.55
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Scattered Clouds
Actual:
69 | 61 0.00
Average:
70 | 57 0.00
Partly Cloudy
Actual:
68 | 60 0.00
Average:
70 | 57 0.00
Partly Cloudy
Actual:
69 | 60 0.00
Average:
70 | 57 0.00
Partly Cloudy
Actual:
75 | 60 0.00
Average:
70 | 57 0.00
Rain
Actual:
79 | 66 0.00
Average:
70 | 57 0.00
Partly Cloudy
Actual:
81 | 71 0.00
Average:
70 | 57 0.00
Scattered Clouds
Actual:
79 | 68 0.00
Average:
70 | 57 0.00
Scattered Clouds
Actual:
70 | 68 0.00
Average:
70 | 57 0.00
Scattered Clouds
Actual:
73 | 70 0.00
Average:
70 | 57 0.00
Partly Cloudy
Actual:
72 | 69 0.00
Average:
69 | 57 0.00
Fog
Actual:
68 | 62 0.00
Average:
69 | 57 0.00
Partly Cloudy
Actual:
75 | 63 0.00
Average:
69 | 57 0.00
Fog
Actual:
75 | 62 0.00
Average:
68 | 57 0.00
Scattered Clouds
Actual:
83 | 68 0.00
Average:
68 | 57 0.00
Clear
Actual:
86 | 83 0.00
Average:
68 | 57 0.00
Fog
Actual:
75 | 66 0.00
Average:
68 | 57 0.01
Fog
Actual:
71 | 64 0.00
Average:
68 | 57 0.01
Scattered Clouds
Actual:
78 | 60 0.00
Average:
68 | 57 0.01
Scattered Clouds
Actual:
81 | 64 0.00
Average:
68 | 57 0.01
Scattered Clouds
Actual:
81 | 64 0.00
Average:
68 | 57 0.01
Scattered Clouds
Actual:
90 | 68 0.00
Average:
68 | 57 0.01
Scattered Clouds
Actual:
93 | 64 0.00
Average:
68 | 57 0.01
Scattered Clouds
Actual:
100 | 72 0.00
Average:
67 | 57 0.01
Scattered Clouds
Actual:
96 | 61 0.00
Average:
67 | 57 0.01
Mostly Cloudy
Actual:
82 | 62 0.00
Average:
67 | 57 0.01
Partly Cloudy
Actual:
87 | 61 0.00
Average:
67 | 57 0.00
Partly Cloudy
Actual:
84 | 63 0.00
Average:
67 | 57 0.00
Partly Cloudy
Actual:
84 | 66 0.00
Average:
66 | 57 0.45
Scattered Clouds
Actual:
93 | 70 0.00
Average:
66 | 57 0.00
Clear
Actual:
99 | 71 0.00
Average:
66 | 57 0.00
 

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
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 69 64 61 55 54 54 74 69 56 29.94 29.92 29.89 7 6 3 24 21 - 0.00  
2 68 64 60 55 54 54 77 70 60 29.93 29.92 29.89 7 6 2 17 16 - 0.00  
3 69 64 60 57 55 54 82 70 60 29.96 29.93 29.89 7 5 1 16 13 - 0.00  
4 75 66 60 59 56 54 82 74 53 29.99 29.96 29.92 7 3 0 12 6 - 0.00  
5 79 72 66 57 52 34 73 54 20 29.95 29.91 29.83 7 6 2 10 4 - 0.00 Rain
6 81 76 71 57 44 23 60 39 13 29.96 29.85 29.83 7 7 7 7 3 - 0.00  
7 79 74 68 48 42 34 49 32 21 29.99 29.97 29.92 7 7 7 20 10 - 0.00  
8 70 69 68 55 55 55 64 60 59 29.93 29.90 29.87 7 7 7 23 22 36 0.00  
9 73 72 70 57 56 55 63 58 54 29.85 29.82 29.78 7 7 7 21 16 - 0.00  
10 72 70 69 64 62 57 84 74 61 29.87 29.86 29.82 7 5 1 16 6 - 0.00  
11 68 65 62 57 56 55 82 73 63 29.91 29.88 29.84 6 3 0 8 5 - 0.00 Fog
12 75 69 63 61 58 55 77 68 57 30.02 29.98 29.89 7 6 4 13 5 - 0.00  
13 75 68 62 63 59 57 83 73 57 30.02 29.99 29.92 4 2 0 20 15 - 0.00 Fog
14 83 76 68 61 58 54 75 53 36 30.00 29.96 29.92 7 7 7 13 11 - 0.00  
15 86 84 83 57 53 48 37 33 28 30.02 29.97 29.93 7 7 7 6 5 - 0.00  
16 75 70 66 63 60 59 78 68 61 30.04 29.99 29.96 7 4 0 15 9 - 0.00 Fog
17 71 68 64 59 57 57 77 71 64 30.05 30.01 29.97 5 4 3 16 8 - 0.00 Fog
18 78 69 60 56 55 54 77 66 45 30.04 29.99 29.94 10 7 4 25 18 30 0.00  
19 81 72 64 57 56 55 73 63 43 29.99 29.95 29.90 10 6 3 26 20 31 0.00  
20 81 72 64 57 56 53 73 60 44 29.95 29.91 29.86 10 7 4 26 20 32 0.00  
21 90 78 68 63 57 52 61 48 35 29.93 29.88 29.83 10 9 6 14 9 - 0.00  
22 93 78 64 63 58 52 70 49 36 29.91 29.88 29.85 10 9 7 12 5 - 0.00  
23 100 86 72 60 48 34 55 30 16 29.96 29.92 29.88 10 10 10 17 6 - 0.00  
24 96 75 61 57 49 28 84 46 12 29.98 29.93 29.89 10 9 4 18 8 - 0.00  
25 82 68 62 56 55 54 76 62 46 29.93 29.89 29.85 10 10 6 16 10 16 0.00  
26 87 72 61 58 56 52 76 61 44 29.90 29.87 29.82 10 7 4 14 6 - 0.00  
27 84 72 63 57 56 54 77 60 41 29.94 29.88 29.84 10 7 4 9 6 - 0.00  
28 84 74 66 59 56 52 72 58 47 29.94 29.90 29.86 10 8 7 20 8 23 0.00  
29 93 82 70 60 54 45 68 47 20 29.98 29.93 29.89 10 9 7 18 13 - 0.00  
30 99 81 71 62 55 44 62 45 21 29.97 29.93 29.89 10 9 7 23 10 - 0.00