Weather History for San Carlos, CA

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Saturday, December 15, 2012

  Actual Average Record
Temperature  
Mean Temperature 42 °F -  
Max Temperature 48 °F 57 °F 72 °F (1980)
Min Temperature 37 °F 39 °F 27 °F (1975)
Degree Days  
Heating Degree Days 22    
Moisture  
Dew Point 40 °F    
Average Humidity 87    
Maximum Humidity 100    
Minimum Humidity 76    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.05 in    
Wind  
Wind Speed 3 mph (SE)    
Max Wind Speed 13 mph    
Max Gust Speed 16 mph    
Visibility 10 miles    
Events Rain    
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. 15, 2012 Rise Set
Actual Time 7:16 AM PST 4:52 PM PST
Civil Twilight 6:47 AM PST 5:21 PM PST
Nautical Twilight 6:14 AM PST 5:54 PM PST
Astronomical Twilight 5:42 AM PST 6:26 PM PST
Moon 9:15 AM PST (12/15) 7:59 PM PST (12/15)
Length of Visible Light 10h 33m
Length of Day
9h 35m
Waxing Crescent, 9% of the Moon is Illuminated
Dec 15
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
12:10 AM 42.8 °F 41.1 °F 39.2 °F 87% 30.04 in 10.0 mi SW 3.5 mph - N/A   Clear
12:30 AM 42.8 °F - 39.2 °F 87% 30.05 in 10.0 mi Calm Calm - N/A   Clear
12:55 AM 42.8 °F - 39.2 °F 87% 30.05 in 10.0 mi Calm Calm - N/A   Clear
1:10 AM 42.8 °F 41.1 °F 39.2 °F 87% 30.04 in 10.0 mi SE 3.5 mph - N/A   Clear
1:30 AM 41.0 °F 39.0 °F 39.2 °F 93% 30.05 in 10.0 mi East 3.5 mph - N/A   Clear
1:50 AM 41.0 °F - 39.2 °F 93% 30.06 in 10.0 mi Calm Calm - N/A   Clear
2:10 AM 41.0 °F 39.0 °F 39.2 °F 93% 30.07 in 10.0 mi SSW 3.5 mph - N/A   Clear
2:35 AM 41.0 °F 39.0 °F 39.2 °F 93% 30.07 in 10.0 mi SSW 3.5 mph - N/A   Clear
2:50 AM 41.0 °F 39.0 °F 37.4 °F 87% 30.06 in 10.0 mi South 3.5 mph - N/A   Clear
3:10 AM 39.2 °F 37.0 °F 37.4 °F 93% 30.05 in 10.0 mi SSE 3.5 mph - N/A   Clear
3:35 AM 39.2 °F - 37.4 °F 93% 30.04 in 10.0 mi Calm Calm - N/A   Clear
3:50 AM 39.2 °F - 37.4 °F 93% 30.04 in 10.0 mi Calm Calm - N/A   Clear
4:10 AM 39.2 °F - 37.4 °F 93% 30.05 in 10.0 mi Calm Calm - N/A   Clear
4:35 AM 39.2 °F - 39.2 °F 100% 30.04 in 10.0 mi Calm Calm - N/A   Clear
4:50 AM 39.2 °F - 37.4 °F 93% 30.04 in 10.0 mi Calm Calm - N/A   Clear
5:10 AM 39.2 °F - 37.4 °F 93% 30.05 in 10.0 mi Calm Calm - N/A   Clear
5:35 AM 39.2 °F - 37.4 °F 93% 30.04 in 10.0 mi Calm Calm - N/A   Clear
5:50 AM 37.4 °F - 37.4 °F 100% 30.05 in 10.0 mi Calm Calm - N/A   Clear
6:15 AM 37.4 °F 31.4 °F 37.4 °F 100% 30.03 in 10.0 mi SE 8.1 mph - N/A   Clear
6:30 AM 37.4 °F - 35.6 °F 93% 30.03 in 10.0 mi Calm Calm - N/A   Clear
6:47 AM 37.4 °F - 35.6 °F 93% 30.04 in 10.0 mi Calm Calm - N/A   Scattered Clouds
6:50 AM 37.4 °F - 35.6 °F 93% 30.04 in 10.0 mi Calm Calm - N/A   Clear
7:47 AM 39.2 °F - 37.4 °F 93% 30.06 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:50 AM 41.0 °F - 37.4 °F 87% 30.09 in 10.0 mi Calm Calm - N/A   Overcast
9:53 AM 42.8 °F 41.1 °F 39.2 °F 87% 30.10 in 15.0 mi East 3.5 mph - N/A   Overcast
10:47 AM 44.6 °F 42.2 °F 39.2 °F 81% 30.09 in 10.0 mi South 4.6 mph - N/A   Overcast
11:26 AM 44.6 °F 42.2 °F 39.2 °F 81% 30.09 in 10.0 mi South 4.6 mph - N/A   Overcast
11:47 AM 48.2 °F - 41.0 °F 76% 30.05 in 10.0 mi ESE 5.8 mph - N/A   Overcast
12:47 PM 48.2 °F - 41.0 °F 76% 30.05 in 10.0 mi Calm Calm - N/A   Overcast
1:47 PM 48.2 °F - 44.6 °F 87% 30.04 in 5.0 mi ESE 5.8 mph - N/A Rain Light Rain
2:03 PM 46.4 °F 42.9 °F 42.8 °F 87% 30.03 in 4.0 mi SE 6.9 mph - N/A Rain Light Rain
2:50 PM 46.4 °F 42.9 °F 44.6 °F 93% 30.02 in 4.0 mi SE 6.9 mph - N/A Rain Light Rain
3:50 PM 48.2 °F - 46.4 °F 93% 30.02 in 6.0 mi ESE 8.1 mph - N/A Rain Light Rain
4:47 PM 46.4 °F 41.5 °F 44.6 °F 93% 30.02 in 7.0 mi SE 10.4 mph - N/A Rain Light Rain
5:47 PM 46.4 °F 42.4 °F 44.6 °F 93% 30.01 in 10.0 mi ESE 8.1 mph - N/A   Overcast
6:47 PM 46.4 °F 40.7 °F 42.8 °F 87% 30.02 in 10.0 mi ESE 12.7 mph - N/A   Overcast
7:47 PM 46.4 °F 41.5 °F 41.0 °F 81% 30.02 in 10.0 mi SE 10.4 mph - N/A   Overcast
8:47 PM 48.2 °F - 41.0 °F 76% 30.01 in 10.0 mi ESE 8.1 mph 16.1 mph N/A   Overcast
9:10 PM 48.2 °F - 41.0 °F 76% 30.01 in 10.0 mi SE 9.2 mph - N/A   Overcast
9:35 PM 48.2 °F - 41.0 °F 76% 30.02 in 10.0 mi SE 10.4 mph - N/A   Overcast
9:50 PM 48.2 °F - 41.0 °F 76% 30.03 in 10.0 mi SE 6.9 mph - N/A   Overcast
10:10 PM 48.2 °F - 41.0 °F 76% 30.05 in 10.0 mi South 4.6 mph - N/A   Overcast
10:50 PM 48.2 °F - 41.0 °F 76% 30.06 in 10.0 mi Calm Calm - N/A   Overcast
11:15 PM 48.2 °F - 41.0 °F 76% 30.06 in 10.0 mi Calm Calm - N/A   Overcast
11:30 PM 48.2 °F - 41.0 °F 76% 30.06 in 10.0 mi SSW 3.5 mph - N/A   Overcast
11:50 PM 48.2 °F - 41.0 °F 76% 30.07 in 10.0 mi Calm Calm - N/A   Overcast