San Nicolas Island, CA

2:45 PM PDT on April 24, 2017 (GMT -0700)
San Nicolas Island Naval Outlying Field

Weather History for KNSI - December, 2011

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Saturday, December 31, 2011

  Actual Average Record
Temperature  
Mean Temperature 52 °F -  
Max Temperature 61 °F 58 °F 64 °F (1997)
Min Temperature 44 °F 49 °F 33 °F (1996)
Degree Days  
Heating Degree Days 12    
Growing Degree Days 2 (Base 50)    
Moisture  
Dew Point 46 °F    
Average Humidity 86    
Maximum Humidity 100    
Minimum Humidity 53    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.02 in    
Wind  
Wind Speed 5 mph (East)    
Max Wind Speed 7 mph    
Max Gust Speed -    
Visibility 4 miles    
Events Fog    
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, 2011 Rise Set
Actual Time 7:01 AM PST 5:00 PM PST
Civil Twilight 6:33 AM PST 5:28 PM PST
Nautical Twilight 6:02 AM PST 5:58 PM PST
Astronomical Twilight 5:32 AM PST 6:29 PM PST
Moon 11:11 AM PST (12/31) No Moon Set
Length of Visible Light 10h 54m
Length of Day
9h 59m
Waxing Crescent, 46% of the Moon is Illuminated
Dec 31
Waxing Crescent
Dec 31
First Quarter
Jan 8
Full
Jan 16
Last Quarter
Jan 22
New

Hourly Weather History & Observations

Time (PST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 48.0 °F 44.1 °F 86% 29.99 in 10.0 mi North - - N/A   Clear
2:53 AM 48.9 °F 42.1 °F 77% 29.98 in 10.0 mi North - - N/A   Clear
3:49 AM 46.4 °F 42.8 °F 87% 29.99 in 2.0 mi North - - N/A   Partly Cloudy
3:51 AM 46.4 °F 42.8 °F 87% 29.99 in 0.8 mi North - - N/A   Mist
3:53 AM 45.0 °F 42.1 °F 90% 29.98 in 0.2 mi North - - N/A Fog Fog
4:39 AM 44.6 °F 42.8 °F 93% 29.99 in 2.0 mi North - - N/A   Mostly Cloudy
4:42 AM 44.6 °F 42.8 °F 93% 29.99 in 8.0 mi North - - N/A   Scattered Clouds
4:53 AM 45.0 °F 44.1 °F 97% 29.99 in 10.0 mi North - - N/A   Partly Cloudy
5:53 AM 44.1 °F 42.1 °F 93% 30.00 in 10.0 mi North - - N/A   Clear
6:23 AM 44.6 °F 41.0 °F 87% 30.01 in 0.8 mi North - - N/A   Mist
6:53 AM 48.9 °F 46.9 °F 93% 30.01 in 0.2 mi North - - N/A Fog Fog
7:26 AM 46.4 °F 44.6 °F 93% 30.02 in 2.0 mi North - - N/A   Scattered Clouds
7:33 AM 48.2 °F 46.4 °F 93% 30.02 in 10.0 mi North - - N/A   Scattered Clouds
7:45 AM 48.2 °F 46.4 °F 93% 30.04 in 0.8 mi North - - N/A   Mist
7:53 AM 46.9 °F 45.0 °F 93% 30.04 in 0.2 mi North - - N/A Fog Fog
7:58 AM 46.4 °F 44.6 °F 93% 30.04 in 3.0 mi North - - N/A   Partly Cloudy
8:01 AM 48.2 °F 46.4 °F 93% 30.04 in 0.5 mi West 4.6 mph - N/A Fog Fog
8:20 AM 48.2 °F 48.2 °F 100% 30.04 in 7.0 mi West 4.6 mph - N/A   Scattered Clouds
8:53 AM 59.0 °F 48.9 °F 69% 30.04 in 7.0 mi SSW 3.5 mph - N/A   Scattered Clouds
9:24 AM 55.4 °F 53.6 °F 94% 30.05 in 0.5 mi SW 3.5 mph - N/A Fog Patches of Fog
9:45 AM 53.6 °F 50.0 °F 88% 30.05 in 0.2 mi NE 5.8 mph - N/A Fog Fog
9:53 AM 50.0 °F 48.9 °F 96% 30.05 in 0.2 mi NE 5.8 mph - N/A Fog Fog
10:25 AM 51.8 °F 51.8 °F 100% 30.05 in 1.0 mi NE 5.8 mph - N/A Fog Patches of Fog
10:53 AM 55.0 °F 53.1 °F 93% 30.03 in 0.2 mi East 3.5 mph - N/A Fog Fog
11:36 AM 53.6 °F 51.8 °F 94% 30.02 in 4.0 mi NE 6.9 mph - N/A   Scattered Clouds
11:53 AM 57.9 °F 52.0 °F 81% 30.00 in 4.0 mi SE 6.9 mph - N/A   Scattered Clouds
12:53 PM 55.0 °F 51.1 °F 86% 29.99 in 7.0 mi South 6.9 mph - N/A   Scattered Clouds
1:53 PM 57.9 °F 52.0 °F 81% 29.99 in 8.0 mi North - - N/A   Clear
2:01 PM 55.4 °F 51.8 °F 88% 29.99 in 2.5 mi North - - N/A   Haze
2:04 PM 55.4 °F 51.8 °F 88% 29.99 in 1.0 mi North - - N/A   Mist
2:11 PM 55.4 °F 51.8 °F 88% 29.99 in 0.5 mi North - - N/A Fog Fog
2:16 PM 55.4 °F 51.8 °F 88% 29.99 in 1.5 mi North - - N/A   Scattered Clouds
2:18 PM 55.4 °F 51.8 °F 88% 29.99 in 4.0 mi North - - N/A   Scattered Clouds
2:53 PM 61.0 °F 53.1 °F 75% 29.99 in 9.0 mi North - - N/A   Clear
3:23 PM 59.0 °F 48.2 °F 67% 30.01 in 0.8 mi North - - N/A   Haze
3:50 PM 51.8 °F 51.8 °F 100% 30.01 in 2.0 mi North - - N/A   Mostly Cloudy
3:53 PM 53.1 °F 52.0 °F 96% 30.00 in 6.0 mi North - - N/A   Mostly Cloudy
4:01 PM 53.6 °F 51.8 °F 94% 30.01 in 9.0 mi North - - N/A   Scattered Clouds
4:53 PM 52.0 °F 46.9 °F 83% 30.01 in 10.0 mi North - - N/A   Clear
5:45 PM 48.2 °F 42.8 °F 82% 30.03 in 0.5 mi North - - N/A   Haze
5:53 PM 46.0 °F 44.1 °F 93% 30.02 in 0.2 mi North - - N/A Fog Fog
6:14 PM 48.2 °F 44.6 °F 87% 30.02 in 2.0 mi North - - N/A   Scattered Clouds
6:21 PM 48.2 °F 39.2 °F 71% 30.02 in 9.0 mi North - - N/A   Scattered Clouds
6:51 PM 44.6 °F 42.8 °F 93% 30.03 in 1.5 mi North - - N/A   Partly Cloudy
6:53 PM 45.0 °F 42.1 °F 90% 30.03 in 0.8 mi North - - N/A   Mist
7:13 PM 44.6 °F 41.0 °F 87% 30.04 in 3.0 mi North - - N/A   Scattered Clouds
7:53 PM 55.0 °F 39.0 °F 55% 30.04 in 10.0 mi North - - N/A   Clear
8:53 PM 53.1 °F 37.9 °F 57% 30.05 in 10.0 mi North - - N/A   Clear
9:53 PM 54.0 °F 37.0 °F 53% 30.06 in 8.0 mi North - - N/A   Clear
10:53 PM 54.0 °F 39.0 °F 57% 30.07 in 6.0 mi North - - N/A   Haze
11:53 PM 48.9 °F 43.0 °F 80% 30.08 in 7.0 mi North - - N/A   Clear