Weather History for San Nicolas Island, CA

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Monday, December 31, 2012

  Actual Average Record
Temperature  
Mean Temperature 54 °F -  
Max Temperature 63 °F 58 °F 64 °F (1997)
Min Temperature 46 °F 49 °F 33 °F (1996)
Degree Days  
Heating Degree Days 10    
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 40 °F    
Average Humidity 53    
Maximum Humidity 71    
Minimum Humidity 41    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.17 in    
Wind  
Wind Speed 10 mph (NW)    
Max Wind Speed 15 mph    
Max Gust Speed -    
Visibility 9 miles    
Events      
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 31, 2012 Rise Set
Actual Time 7:01 AM PST 5:01 PM PST
Civil Twilight 6:33 AM PST 5:28 PM PST
Nautical Twilight 6:03 AM PST 5:59 PM PST
Astronomical Twilight 5:32 AM PST 6:29 PM PST
Moon 8:25 PM PST (12/31) 8:55 AM PST (12/31)
Length of Visible Light 10h 54m
Length of Day
9h 59m
Waning Gibbous, 89% of the Moon is Illuminated
Dec 31
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 60.1 °F - 41.0 °F 49% 30.09 in 10.0 mi WNW 13.8 mph - N/A   Clear
1:53 AM 60.1 °F - 39.9 °F 47% 30.11 in 10.0 mi NW 12.7 mph - N/A   Clear
2:53 AM 60.1 °F - 39.0 °F 46% 30.12 in 10.0 mi WNW 13.8 mph - N/A   Clear
3:53 AM 60.1 °F - 39.9 °F 47% 30.11 in 10.0 mi NW 12.7 mph - N/A   Clear
4:53 AM 59.0 °F - 37.9 °F 46% 30.11 in 10.0 mi NW 13.8 mph - N/A   Clear
5:53 AM 57.9 °F - 37.9 °F 47% 30.13 in 10.0 mi NW 15.0 mph - N/A   Clear
5:55 AM 46.4 °F 40.1 °F 37.4 °F 71% 30.14 in 7.0 mi NW 15.0 mph - N/A   Clear
6:53 AM 48.9 °F - 37.9 °F 66% 30.14 in 7.0 mi NW 13.8 mph - N/A   Partly Cloudy
7:53 AM 48.2 °F - 39.0 °F 71% 30.16 in 7.0 mi NW 12.7 mph - N/A   Partly Cloudy
8:53 AM 50.4 °F - 39.9 °F 67% 30.18 in 7.0 mi North 12.7 mph - N/A   Partly Cloudy
9:53 AM 52.3 °F - 39.9 °F 63% 30.20 in 7.0 mi NNE 9.2 mph - N/A   Partly Cloudy
10:53 AM 55.4 °F - 43.0 °F 63% 30.20 in 7.0 mi NE 5.8 mph - N/A   Scattered Clouds
11:53 AM 56.5 °F - 42.1 °F 59% 30.20 in 7.0 mi Variable 4.6 mph - N/A   Clear
12:53 PM 57.4 °F - 42.1 °F 57% 30.17 in 7.0 mi NE 3.5 mph - N/A   Scattered Clouds
1:53 PM 56.5 °F - 41.0 °F 56% 30.17 in 7.0 mi Calm Calm - N/A   Scattered Clouds
2:53 PM 56.5 °F - 43.0 °F 61% 30.17 in 7.0 mi WNW 10.4 mph - N/A   Scattered Clouds
3:53 PM 56.7 °F - 43.0 °F 60% 30.18 in 7.0 mi WNW 9.2 mph - N/A   Scattered Clouds
4:53 PM 59.0 °F - 39.0 °F 48% 30.18 in 10.0 mi NW 4.6 mph - N/A   Clear
5:53 PM 60.1 °F - 37.9 °F 44% 30.19 in 10.0 mi NW 4.6 mph - N/A   Clear
6:53 PM 62.1 °F - 39.0 °F 43% 30.21 in 10.0 mi Calm Calm - N/A   Clear
7:53 PM 63.0 °F - 39.0 °F 41% 30.21 in 10.0 mi Calm Calm - N/A   Clear
8:53 PM 62.1 °F - 37.9 °F 41% 30.21 in 10.0 mi WSW 4.6 mph - N/A   Clear
9:53 PM 62.1 °F - 39.9 °F 44% 30.22 in 10.0 mi West 3.5 mph - N/A   Clear
10:53 PM 61.0 °F - 39.0 °F 44% 30.22 in 10.0 mi Calm Calm - N/A   Clear
11:53 PM 62.1 °F - 39.0 °F 43% 30.22 in 10.0 mi Calm Calm - N/A   Clear