Weather History for San Carlos, CA

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Tuesday, December 11, 2012

  Actual Average Record
Temperature  
Mean Temperature 52 °F -  
Max Temperature 59 °F 58 °F 72 °F (1958)
Min Temperature 44 °F 39 °F 24 °F (1972)
Degree Days  
Heating Degree Days 14    
Growing Degree Days 2 (Base 50)    
Moisture  
Dew Point 45 °F    
Average Humidity 83    
Maximum Humidity 100    
Minimum Humidity 67    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.01 in    
Wind  
Wind Speed 2 mph (SW)    
Max Wind Speed 14 mph    
Max Gust Speed 23 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. 11, 2012 Rise Set
Actual Time 7:13 AM PST 4:51 PM PST
Civil Twilight 6:44 AM PST 5:20 PM PST
Nautical Twilight 6:12 AM PST 5:53 PM PST
Astronomical Twilight 5:40 AM PST 6:24 PM PST
Moon 5:16 AM PST (12/11) 3:34 PM PST (12/11)
Length of Visible Light 10h 35m
Length of Day
9h 37m
Waning Crescent, 4% of the Moon is Illuminated
Dec 11
Waning Crescent
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter

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 48.2 °F - 44.6 °F 87% 30.11 in 10.0 mi Calm Calm - N/A   Clear
12:30 AM 48.2 °F - 44.6 °F 87% 30.11 in 10.0 mi Calm Calm - N/A   Clear
12:55 AM 48.2 °F - 42.8 °F 82% 30.11 in 10.0 mi Calm Calm - N/A   Clear
1:10 AM 46.4 °F - 42.8 °F 87% 30.10 in 10.0 mi Calm Calm - N/A   Clear
1:30 AM 46.4 °F - 42.8 °F 87% 30.10 in 10.0 mi Calm Calm - N/A   Clear
1:55 AM 46.4 °F - 42.8 °F 87% 30.09 in 10.0 mi Calm Calm - N/A   Clear
2:10 AM 46.4 °F - 42.8 °F 87% 30.09 in 10.0 mi Calm Calm - N/A   Clear
2:30 AM 46.4 °F - 44.6 °F 93% 30.09 in 10.0 mi Calm Calm - N/A   Clear
2:50 AM 46.4 °F - 41.0 °F 81% 30.09 in 10.0 mi Calm Calm - N/A   Clear
3:10 AM 46.4 °F - 41.0 °F 81% 30.08 in 10.0 mi Calm Calm - N/A   Clear
3:30 AM 44.6 °F - 41.0 °F 87% 30.08 in 10.0 mi Calm Calm - N/A   Clear
3:50 AM 44.6 °F - 41.0 °F 87% 30.08 in 10.0 mi Calm Calm - N/A   Clear
4:10 AM 44.6 °F - 41.0 °F 87% 30.08 in 10.0 mi Calm Calm - N/A   Clear
4:30 AM 44.6 °F 43.1 °F 41.0 °F 87% 30.07 in 10.0 mi NW 3.5 mph - N/A   Clear
4:50 AM 46.4 °F - 42.8 °F 87% 30.07 in 10.0 mi Calm Calm - N/A   Clear
5:10 AM 44.6 °F - 41.0 °F 87% 30.06 in 10.0 mi Calm Calm - N/A   Clear
5:30 AM 44.6 °F - 41.0 °F 87% 30.06 in 10.0 mi Calm Calm - N/A   Clear
6:15 AM 44.6 °F - 42.8 °F 93% 30.05 in 10.0 mi Calm Calm - N/A   Clear
6:30 AM 46.4 °F - 44.6 °F 93% 30.06 in 10.0 mi Calm Calm - N/A   Clear
6:47 AM 44.6 °F - 44.6 °F 100% 30.05 in 10.0 mi Calm Calm - N/A   Partly Cloudy
6:50 AM 44.6 °F - 44.6 °F 100% 30.05 in 10.0 mi Calm Calm - N/A   Clear
7:47 AM 44.6 °F - 42.8 °F 93% 30.06 in 10.0 mi Calm Calm - N/A   Partly Cloudy
8:47 AM 50.0 °F - 46.4 °F 87% 30.05 in 10.0 mi Calm Calm - N/A   Partly Cloudy
9:53 AM 53.6 °F - 50.0 °F 88% 30.05 in 10.0 mi Calm Calm - N/A   Partly Cloudy
10:48 AM 55.4 °F - 50.0 °F 82% 30.03 in 10.0 mi NNE 5.8 mph - N/A   Partly Cloudy
12:50 PM 59.0 °F - 50.0 °F 72% 29.97 in 7.0 mi WNW 6.9 mph - N/A   Scattered Clouds
1:51 PM 59.0 °F - 48.2 °F 67% 29.95 in 10.0 mi West 13.8 mph 21.9 mph N/A   Mostly Cloudy
2:55 PM 55.4 °F - 48.2 °F 77% 29.94 in 10.0 mi WSW 13.8 mph 23.0 mph N/A   Mostly Cloudy
3:55 PM 53.6 °F - 48.2 °F 82% 29.94 in 10.0 mi West 13.8 mph 17.3 mph N/A   Mostly Cloudy
4:55 PM 53.6 °F - 46.4 °F 77% 29.94 in 10.0 mi WSW 6.9 mph - N/A   Mostly Cloudy
5:47 PM 53.6 °F - 46.4 °F 77% 29.91 in 10.0 mi WSW 4.6 mph - N/A   Mostly Cloudy
6:56 PM 53.6 °F - 48.2 °F 82% 29.90 in 10.0 mi WSW 6.9 mph - N/A   Mostly Cloudy
7:53 PM 53.6 °F - 46.4 °F 77% 29.91 in 10.0 mi WSW 6.9 mph - N/A   Overcast
8:53 PM 53.6 °F - 44.6 °F 72% 29.91 in 10.0 mi West 5.8 mph - N/A   Overcast
9:15 PM 53.6 °F - 44.6 °F 72% 29.91 in 10.0 mi WSW 6.9 mph - N/A   Overcast
9:30 PM 53.6 °F - 44.6 °F 72% 29.90 in 10.0 mi SW 6.9 mph - N/A   Overcast
9:50 PM 53.6 °F - 44.6 °F 72% 29.89 in 10.0 mi SSW 5.8 mph - N/A   Overcast
10:15 PM 53.6 °F - 44.6 °F 72% 29.89 in 10.0 mi South 3.5 mph - N/A   Overcast
10:30 PM 53.6 °F - 44.6 °F 72% 29.89 in 10.0 mi SSE 4.6 mph - N/A   Overcast
10:50 PM 51.8 °F - 46.4 °F 82% 29.89 in 7.0 mi SSE 4.6 mph - N/A Rain Light Rain
11:15 PM 51.8 °F - 46.4 °F 82% 29.89 in 10.0 mi SE 3.5 mph - N/A   Overcast
11:30 PM 51.8 °F - 46.4 °F 82% 29.89 in 10.0 mi South 3.5 mph - N/A   Overcast
11:50 PM 51.8 °F - 46.4 °F 82% 29.88 in 10.0 mi SSE 8.1 mph - N/A   Overcast