Weather History for San Carlos, CA

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Friday, December 14, 2012

  Actual Average Record
Temperature  
Mean Temperature 45 °F -  
Max Temperature 51 °F 58 °F 71 °F (1958)
Min Temperature 39 °F 39 °F 26 °F (1972)
Degree Days  
Heating Degree Days 20    
Moisture  
Dew Point 39 °F    
Average Humidity 84    
Maximum Humidity 93    
Minimum Humidity 66    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.91 in    
Wind  
Wind Speed 2 mph (SE)    
Max Wind Speed 8 mph    
Max Gust Speed -    
Visibility 10 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. 14, 2012 Rise Set
Actual Time 7:16 AM PST 4:51 PM PST
Civil Twilight 6:46 AM PST 5:21 PM PST
Nautical Twilight 6:14 AM PST 5:53 PM PST
Astronomical Twilight 5:42 AM PST 6:25 PM PST
Moon 8:26 AM PST (12/14) 6:49 PM PST (12/14)
Length of Visible Light 10h 34m
Length of Day
9h 35m
Waxing Crescent, 3% of the Moon is Illuminated
Dec 14
Waxing Crescent
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 41.0 °F - 37.4 °F 87% 29.88 in 10.0 mi Calm Calm - N/A   Clear
12:30 AM 41.0 °F - 37.4 °F 87% 29.87 in 10.0 mi Calm Calm - N/A   Clear
12:50 AM 39.2 °F 37.0 °F 37.4 °F 93% 29.87 in 10.0 mi South 3.5 mph - N/A   Clear
1:15 AM 39.2 °F - 35.6 °F 87% 29.87 in 10.0 mi Calm Calm - N/A   Clear
1:30 AM 39.2 °F - 37.4 °F 93% 29.87 in 10.0 mi Calm Calm - N/A   Clear
1:50 AM 41.0 °F 39.0 °F 37.4 °F 87% 29.87 in 10.0 mi SSE 3.5 mph - N/A   Clear
2:15 AM 39.2 °F 37.0 °F 35.6 °F 87% 29.87 in 10.0 mi SSE 3.5 mph - N/A   Clear
2:50 AM 39.2 °F 35.9 °F 35.6 °F 87% 29.86 in 10.0 mi SSE 4.6 mph - N/A   Clear
3:15 AM 39.2 °F 37.0 °F 35.6 °F 87% 29.85 in 10.0 mi South 3.5 mph - N/A   Clear
3:30 AM 39.2 °F 37.0 °F 35.6 °F 87% 29.85 in 10.0 mi SSW 3.5 mph - N/A   Clear
3:50 AM 39.2 °F - 37.4 °F 93% 29.84 in 10.0 mi Calm Calm - N/A   Clear
4:10 AM 41.0 °F - 37.4 °F 87% 29.84 in 10.0 mi Calm Calm - N/A   Partly Cloudy
4:35 AM 41.0 °F 39.0 °F 37.4 °F 87% 29.84 in 10.0 mi SSE 3.5 mph - N/A   Scattered Clouds
4:50 AM 41.0 °F - 37.4 °F 87% 29.84 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
5:10 AM 41.0 °F 39.0 °F 37.4 °F 87% 29.83 in 10.0 mi SSE 3.5 mph - N/A   Overcast
5:35 AM 41.0 °F - 37.4 °F 87% 29.84 in 10.0 mi Calm Calm - N/A   Overcast
5:50 AM 41.0 °F - 39.2 °F 93% 29.84 in 10.0 mi Calm Calm - N/A   Overcast
6:10 AM 41.0 °F 39.0 °F 39.2 °F 93% 29.84 in 10.0 mi East 3.5 mph - N/A   Overcast
6:30 AM 41.0 °F - 39.2 °F 93% 29.85 in 10.0 mi Calm Calm - N/A   Overcast
6:47 AM 41.0 °F 39.0 °F 39.2 °F 93% 29.85 in 10.0 mi SE 3.5 mph - N/A   Mostly Cloudy
6:55 AM 41.0 °F - 39.2 °F 93% 29.85 in 10.0 mi Calm Calm - N/A   Overcast
7:47 AM 41.0 °F 39.0 °F 39.2 °F 93% 29.86 in 10.0 mi East 3.5 mph - N/A   Mostly Cloudy
8:47 AM 44.6 °F - 39.2 °F 81% 29.88 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:47 AM 44.6 °F 43.1 °F 39.2 °F 81% 29.90 in 10.0 mi SE 3.5 mph - N/A   Mostly Cloudy
10:47 AM 48.2 °F - 41.0 °F 76% 29.91 in 10.0 mi Variable 3.5 mph - N/A   Overcast
11:50 AM 50.0 °F - 41.0 °F 71% 29.90 in 10.0 mi Variable 4.6 mph - N/A   Mostly Cloudy
12:55 PM 51.8 °F - 41.0 °F 67% 29.89 in 10.0 mi North 8.1 mph - N/A   Overcast
1:47 PM 50.0 °F - 41.0 °F 71% 29.90 in 10.0 mi North 6.9 mph - N/A   Overcast
2:53 PM 50.0 °F - 39.2 °F 66% 29.92 in 15.0 mi North 5.8 mph - N/A   Overcast
3:53 PM 50.0 °F - 39.2 °F 66% 29.95 in 15.0 mi North 8.1 mph - N/A   Overcast
4:47 PM 50.0 °F - 41.0 °F 71% 29.97 in 15.0 mi North 8.1 mph - N/A   Overcast
5:59 PM 48.2 °F - 42.8 °F 82% 29.98 in 10.0 mi Calm Calm - N/A   Overcast
6:50 PM 50.0 °F - 41.0 °F 71% 30.00 in 10.0 mi Calm Calm - N/A   Overcast
7:55 PM 48.2 °F - 41.0 °F 76% 30.00 in 10.0 mi SSW 3.5 mph - N/A   Clear
8:53 PM 46.4 °F - 41.0 °F 81% 30.01 in 10.0 mi Calm Calm - N/A   Clear
9:10 PM 46.4 °F - 41.0 °F 81% 30.01 in 10.0 mi Calm Calm - N/A   Clear
9:30 PM 44.6 °F - 41.0 °F 87% 30.02 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:55 PM 44.6 °F 43.1 °F 41.0 °F 87% 30.02 in 10.0 mi South 3.5 mph - N/A   Overcast
10:10 PM 44.6 °F 43.1 °F 41.0 °F 87% 30.02 in 10.0 mi SSE 3.5 mph - N/A   Overcast
10:30 PM 44.6 °F - 39.2 °F 81% 30.03 in 10.0 mi Calm Calm - N/A   Overcast
10:55 PM 44.6 °F - 41.0 °F 87% 30.04 in 10.0 mi Calm Calm - N/A   Overcast
11:10 PM 44.6 °F - 41.0 °F 87% 30.04 in 10.0 mi Calm Calm - N/A   Overcast
11:30 PM 44.6 °F - 41.0 °F 87% 30.04 in 10.0 mi Calm Calm - N/A   Scattered Clouds
11:55 PM 42.8 °F - 39.2 °F 87% 30.04 in 10.0 mi Calm Calm - N/A   Clear