Weather History for San Carlos, CA

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Monday, December 10, 2012

  Actual Average Record
Temperature  
Mean Temperature 57 °F -  
Max Temperature 66 °F 60 °F 68 °F (1958)
Min Temperature 48 °F 39 °F 25 °F (1972)
Degree Days  
Heating Degree Days 8    
Growing Degree Days 7 (Base 50)    
Moisture  
Dew Point 43 °F    
Average Humidity 67    
Maximum Humidity 87    
Minimum Humidity 43    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.17 in    
Wind  
Wind Speed 3 mph (WNW)    
Max Wind Speed 7 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. 10, 2012 Rise Set
Actual Time 7:13 AM PST 4:50 PM PST
Civil Twilight 6:44 AM PST 5:20 PM PST
Nautical Twilight 6:11 AM PST 5:52 PM PST
Astronomical Twilight 5:39 AM PST 6:24 PM PST
Moon 4:05 AM PST (12/10) 2:42 PM PST (12/10)
Length of Visible Light 10h 36m
Length of Day
9h 37m
Waning Crescent, 9% of the Moon is Illuminated
Dec 10
Waning Crescent
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Hourly Weather History & Observations

Time (PST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 55.4 °F 39.2 °F 54% 30.19 in 10.0 mi SSW 5.8 mph - N/A   Clear
12:50 AM 55.4 °F 41.0 °F 58% 30.19 in 10.0 mi South 3.5 mph - N/A   Clear
1:10 AM 51.8 °F 42.8 °F 71% 30.19 in 10.0 mi Calm Calm - N/A   Clear
1:30 AM 51.8 °F 44.6 °F 76% 30.19 in 10.0 mi Calm Calm - N/A   Clear
1:50 AM 50.0 °F 42.8 °F 76% 30.20 in 10.0 mi Calm Calm - N/A   Clear
2:15 AM 50.0 °F 41.0 °F 71% 30.20 in 10.0 mi Calm Calm - N/A   Clear
2:30 AM 48.2 °F 41.0 °F 76% 30.20 in 10.0 mi WNW 3.5 mph - N/A   Clear
2:50 AM 48.2 °F 41.0 °F 76% 30.21 in 10.0 mi Calm Calm - N/A   Clear
3:15 AM 50.0 °F 41.0 °F 71% 30.20 in 10.0 mi Calm Calm - N/A   Clear
3:30 AM 53.6 °F 39.2 °F 58% 30.20 in 10.0 mi WNW 5.8 mph - N/A   Clear
3:50 AM 53.6 °F 41.0 °F 62% 30.20 in 10.0 mi West 4.6 mph - N/A   Clear
4:15 AM 53.6 °F 41.0 °F 62% 30.20 in 10.0 mi WSW 3.5 mph - N/A   Clear
4:30 AM 51.8 °F 41.0 °F 67% 30.20 in 10.0 mi Calm Calm - N/A   Clear
4:50 AM 50.0 °F 41.0 °F 71% 30.21 in 10.0 mi WSW 3.5 mph - N/A   Clear
5:15 AM 50.0 °F 41.0 °F 71% 30.20 in 10.0 mi Calm Calm - N/A   Clear
5:35 AM 50.0 °F 41.0 °F 71% 30.20 in 10.0 mi Calm Calm - N/A   Clear
5:50 AM 50.0 °F 41.0 °F 71% 30.20 in 10.0 mi SW 3.5 mph - N/A   Clear
6:15 AM 50.0 °F 41.0 °F 71% 30.21 in 10.0 mi Calm Calm - N/A   Clear
6:30 AM 50.0 °F 41.0 °F 71% 30.21 in 10.0 mi West 3.5 mph - N/A   Clear
6:50 AM 50.0 °F 41.0 °F 71% 30.21 in 10.0 mi Calm Calm - N/A   Clear
7:47 AM 55.4 °F 41.0 °F 58% 30.21 in 30.0 mi West 5.8 mph - N/A   Clear
8:47 AM 59.0 °F - N/A% 30.22 in 30.0 mi WNW 4.6 mph - N/A   Clear
9:47 AM 62.6 °F 44.6 °F 52% 30.24 in 30.0 mi Variable 3.5 mph - N/A   Clear
10:48 AM 62.6 °F 41.0 °F 45% 30.23 in 30.0 mi Variable 3.5 mph - N/A   Clear
11:57 AM 64.4 °F 44.6 °F 49% 30.21 in 30.0 mi North 6.9 mph - N/A   Partly Cloudy
12:50 PM 66.2 °F 44.6 °F 46% 30.18 in 30.0 mi North 5.8 mph - N/A   Partly Cloudy
1:47 PM 66.2 °F 42.8 °F 43% 30.17 in 30.0 mi North 6.9 mph - N/A   Partly Cloudy
2:50 PM 66.2 °F 44.6 °F 46% 30.15 in 30.0 mi North 3.5 mph - N/A   Partly Cloudy
3:50 PM 66.2 °F 42.8 °F 43% 30.13 in 30.0 mi NW 3.5 mph - N/A   Partly Cloudy
3:53 PM 66.2 °F 42.8 °F 43% 30.13 in 30.0 mi NW 3.5 mph - N/A   Partly Cloudy
4:53 PM 59.0 °F 48.2 °F 67% 30.13 in 30.0 mi Variable 3.5 mph - N/A   Partly Cloudy
5:50 PM 59.0 °F 46.4 °F 63% 30.13 in 30.0 mi Calm Calm - N/A   Partly Cloudy
6:48 PM 57.2 °F 44.6 °F 63% 30.13 in 10.0 mi Calm Calm - N/A   Clear
7:53 PM 55.4 °F 44.6 °F 67% 30.13 in 10.0 mi Calm Calm - N/A   Clear
8:47 PM 51.8 °F 44.6 °F 76% 30.14 in 10.0 mi Calm Calm - N/A   Clear
9:10 PM 51.8 °F 44.6 °F 76% 30.13 in 10.0 mi Calm Calm - N/A   Clear
9:35 PM 50.0 °F 44.6 °F 82% 30.13 in 10.0 mi NW 3.5 mph - N/A   Clear
9:50 PM 50.0 °F 44.6 °F 82% 30.13 in 10.0 mi NW 4.6 mph - N/A   Clear
10:10 PM 50.0 °F 44.6 °F 82% 30.13 in 10.0 mi Calm Calm - N/A   Clear
10:30 PM 50.0 °F 44.6 °F 82% 30.13 in 10.0 mi Calm Calm - N/A   Clear
10:55 PM 50.0 °F 44.6 °F 82% 30.13 in 10.0 mi Calm Calm - N/A   Clear
11:10 PM 50.0 °F 44.6 °F 82% 30.13 in 10.0 mi Calm Calm - N/A   Clear
11:30 PM 48.2 °F 44.6 °F 87% 30.12 in 10.0 mi Calm Calm - N/A   Clear
11:55 PM 48.2 °F 44.6 °F 87% 30.12 in 10.0 mi Calm Calm - N/A   Clear