San Nicolas Island, CA

1:51 PM PST on February 21, 2018 (GMT -0800)
San Nicolas Island Naval Outlying Field

Weather History for KNSI - September, 2012

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Sunday, September 30, 2012

  Actual Average Record
Temperature  
Mean Temperature 81 °F -  
Max Temperature 99 °F 66 °F 99 °F (2012)
Min Temperature 71 °F 57 °F 53 °F (2004)
Cooling Degree Days 16    
Growing Degree Days 31 (Base 50)    
Moisture  
Dew Point 55 °F    
Average Humidity 45    
Maximum Humidity 62    
Minimum Humidity 21    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.93 in    
Wind  
Wind Speed 10 mph (NW)    
Max Wind Speed 23 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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Daily Weather History Graph

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Date:

Astronomy

Sep. 30, 2012 Rise Set
Actual Time 6:51 AM PDT 6:42 PM PDT
Civil Twilight 6:27 AM PDT 7:07 PM PDT
Nautical Twilight 5:58 AM PDT 7:36 PM PDT
Astronomical Twilight 5:29 AM PDT 8:05 PM PDT
Moon 6:55 PM PDT (9/30) 7:22 AM PDT (9/30)
Length of Visible Light 12h 40m
Length of Day
11h 51m
Full, 100% of the Moon is Illuminated
Sep 30
Full
Oct 8
Last Quarter
Oct 15
New
Oct 21
First Quarter
Oct 29
Full

Hourly Weather History & Observations

Time (PDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 84.9 °F - 48.9 °F 29% 29.94 in 10.0 mi West 13.8 mph - N/A   Clear
1:53 AM 81.0 °F - 48.9 °F 33% 29.93 in 10.0 mi West 23.0 mph - N/A   Clear
2:53 AM 77.0 °F - 52.0 °F 42% 29.93 in 10.0 mi WNW 17.3 mph - N/A   Clear
3:53 AM 72.0 °F - 57.0 °F 59% 29.93 in 10.0 mi WNW 18.4 mph - N/A   Clear
4:53 AM 71.1 °F - 57.0 °F 61% 29.92 in 8.0 mi WNW 11.5 mph - N/A   Clear
5:53 AM 73.0 °F - 57.0 °F 57% 29.93 in 10.0 mi West 13.8 mph - N/A   Clear
6:53 AM 73.0 °F - 55.9 °F 55% 29.93 in 10.0 mi West 9.2 mph - N/A   Clear
7:53 AM 79.0 °F - 57.9 °F 48% 29.95 in 10.0 mi WNW 4.6 mph - N/A   Clear
8:53 AM 78.1 °F - 60.1 °F 54% 29.96 in 9.0 mi Calm Calm - N/A   Clear
9:53 AM 74.7 °F - 61.0 °F 62% 29.96 in 7.0 mi North 3.5 mph - N/A   Clear
10:53 AM 75.0 °F - 61.0 °F 62% 29.97 in 7.0 mi East 3.5 mph - N/A   Clear
11:53 AM 75.4 °F - 61.0 °F 61% 29.96 in 7.0 mi Variable 4.6 mph - N/A   Clear
12:53 PM 77.4 °F - 62.1 °F 59% 29.96 in 8.0 mi East 3.5 mph - N/A   Clear
1:53 PM 78.3 °F - 62.1 °F 57% 29.94 in 7.0 mi North 4.6 mph - N/A   Clear
2:53 PM 83.8 °F 84.1 °F 61.0 °F 46% 29.92 in 7.0 mi ENE 3.5 mph - N/A   Clear
3:53 PM 84.4 °F 84.6 °F 61.0 °F 45% 29.91 in 7.0 mi East 4.6 mph - N/A   Clear
4:53 PM 89.1 °F 89.3 °F 62.1 °F 40% 29.89 in 9.0 mi NE 3.5 mph - N/A   Clear
5:53 PM 91.0 °F 88.9 °F 55.0 °F 29% 29.89 in 10.0 mi Calm Calm - N/A   Clear
6:53 PM 77.0 °F - 55.9 °F 48% 29.90 in 10.0 mi WNW 5.8 mph - N/A   Clear
7:53 PM 72.0 °F - 55.0 °F 55% 29.90 in 10.0 mi West 8.1 mph - N/A   Clear
8:53 PM 87.1 °F - 45.0 °F 23% 29.91 in 10.0 mi West 9.2 mph - N/A   Clear
9:53 PM 87.1 °F - 45.0 °F 23% 29.91 in 10.0 mi WNW 6.9 mph - N/A   Clear
10:53 PM 89.1 °F - 45.0 °F 22% 29.90 in 10.0 mi West 5.8 mph - N/A   Clear
11:53 PM 89.1 °F - 44.1 °F 21% 29.90 in 10.0 mi Calm Calm - N/A   Clear