Weather History for San Carlos, CA

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Thursday, December 13, 2012

  Actual Average Record
Temperature  
Mean Temperature 45 °F -  
Max Temperature 51 °F 58 °F 70 °F (1953)
Min Temperature 39 °F 38 °F 28 °F (1985)
Degree Days  
Heating Degree Days 20    
Moisture  
Dew Point 39 °F    
Average Humidity 83    
Maximum Humidity 100    
Minimum Humidity 58    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.90 in    
Wind  
Wind Speed 1 mph (NW)    
Max Wind Speed 6 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. 13, 2012 Rise Set
Actual Time 7:15 AM PST 4:51 PM PST
Civil Twilight 6:46 AM PST 5:20 PM PST
Nautical Twilight 6:13 AM PST 5:53 PM PST
Astronomical Twilight 5:41 AM PST 6:25 PM PST
Moon 7:29 AM PST (12/13) 5:39 PM PST (12/13)
Length of Visible Light 10h 34m
Length of Day
9h 36m
New Moon, 0% of the Moon is Illuminated
Dec 13
New Moon
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 44.6 °F - 41.0 °F 87% 29.91 in 10.0 mi Calm Calm - N/A   Clear
12:30 AM 44.6 °F - 41.0 °F 87% 29.91 in 10.0 mi Calm Calm - N/A   Clear
12:50 AM 44.6 °F - 39.2 °F 81% 29.91 in 10.0 mi Calm Calm - N/A   Clear
1:10 AM 44.6 °F - 39.2 °F 81% 29.91 in 10.0 mi Calm Calm - N/A   Clear
1:35 AM 44.6 °F - 41.0 °F 87% 29.91 in 10.0 mi Calm Calm - N/A   Overcast
1:50 AM 44.6 °F - 39.2 °F 81% 29.91 in 10.0 mi Calm Calm - N/A   Overcast
2:15 AM 44.6 °F - 39.2 °F 81% 29.91 in 10.0 mi Calm Calm - N/A   Scattered Clouds
2:35 AM 42.8 °F - 39.2 °F 87% 29.91 in 10.0 mi Calm Calm - N/A   Clear
2:50 AM 42.8 °F - 39.2 °F 87% 29.91 in 10.0 mi Calm Calm - N/A   Clear
3:10 AM 42.8 °F - 41.0 °F 93% 29.91 in 10.0 mi Calm Calm - N/A   Clear
3:35 AM 41.0 °F - 39.2 °F 93% 29.91 in 10.0 mi Calm Calm - N/A   Scattered Clouds
3:50 AM 41.0 °F - 39.2 °F 93% 29.91 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
4:10 AM 41.0 °F - 39.2 °F 93% 29.90 in 10.0 mi Calm Calm - N/A   Partly Cloudy
4:35 AM 41.0 °F - 39.2 °F 93% 29.90 in 10.0 mi Calm Calm - N/A   Clear
4:50 AM 41.0 °F - 39.2 °F 93% 29.90 in 10.0 mi Calm Calm - N/A   Clear
5:10 AM 41.0 °F - 39.2 °F 93% 29.90 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
5:35 AM 41.0 °F - 39.2 °F 93% 29.90 in 10.0 mi Calm Calm - N/A   Overcast
5:55 AM 41.0 °F - 39.2 °F 93% 29.91 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
6:10 AM 39.2 °F - 39.2 °F 100% 29.91 in 10.0 mi Calm Calm - N/A   Partly Cloudy
6:30 AM 39.2 °F - 39.2 °F 100% 29.91 in 10.0 mi Calm Calm - N/A   Clear
6:55 AM 39.2 °F - 39.2 °F 100% 29.92 in 10.0 mi Calm Calm - N/A   Clear
7:49 AM 41.0 °F - 39.2 °F 93% 29.94 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:48 AM 46.4 °F - 41.0 °F 81% 29.94 in 10.0 mi Calm Calm - N/A   Scattered Clouds
9:47 AM 46.4 °F - 42.8 °F 87% 29.95 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:55 AM 48.2 °F - 41.0 °F 76% 29.93 in 10.0 mi NNE 4.6 mph - N/A   Scattered Clouds
11:55 AM 50.0 °F - 39.2 °F 66% 29.91 in 10.0 mi NNE 3.5 mph - N/A   Scattered Clouds
12:54 PM 51.8 °F - 39.2 °F 62% 29.89 in 10.0 mi NNW 5.8 mph - N/A   Scattered Clouds
1:47 PM 51.8 °F - 39.2 °F 62% 29.88 in 10.0 mi NNW 5.8 mph - N/A   Scattered Clouds
4:52 PM 50.0 °F - 37.4 °F 62% 29.87 in 10.0 mi WNW 4.6 mph - N/A   Partly Cloudy
5:49 PM 50.0 °F - 35.6 °F 58% 29.88 in 10.0 mi WNW 5.8 mph - N/A   Partly Cloudy
6:47 PM 48.2 °F - 37.4 °F 66% 29.88 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:47 PM 48.2 °F - 37.4 °F 66% 29.88 in 10.0 mi West 5.8 mph - N/A   Clear
8:47 PM 46.4 °F 45.2 °F 39.2 °F 76% 29.88 in 10.0 mi WNW 3.5 mph - N/A   Clear
9:10 PM 46.4 °F 45.2 °F 39.2 °F 76% 29.88 in 10.0 mi NW 3.5 mph - N/A   Clear
9:30 PM 44.6 °F - 39.2 °F 81% 29.88 in 10.0 mi Calm Calm - N/A   Clear
9:55 PM 44.6 °F - 39.2 °F 81% 29.88 in 10.0 mi Calm Calm - N/A   Clear
10:15 PM 44.6 °F - 39.2 °F 81% 29.89 in 10.0 mi Calm Calm - N/A   Clear
10:30 PM 44.6 °F - 39.2 °F 81% 29.88 in 10.0 mi Calm Calm - N/A   Clear
10:55 PM 42.8 °F - 37.4 °F 81% 29.89 in 10.0 mi Calm Calm - N/A   Clear
11:15 PM 41.0 °F - 37.4 °F 87% 29.88 in 10.0 mi Calm Calm - N/A   Clear
11:30 PM 41.0 °F - 37.4 °F 87% 29.88 in 10.0 mi Calm Calm - N/A   Clear
11:50 PM 41.0 °F 39.0 °F 37.4 °F 87% 29.88 in 10.0 mi South 3.5 mph - N/A   Clear