Weather History for San Carlos, CA

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Monday, September 17, 2012

  Actual Average Record
Temperature  
Mean Temperature 60 °F -  
Max Temperature 66 °F 79 °F 95 °F (1968)
Min Temperature 53 °F 53 °F 46 °F (1956)
Degree Days  
Heating Degree Days 6    
Growing Degree Days 10 (Base 50)    
Moisture  
Dew Point 50 °F    
Average Humidity 78    
Maximum Humidity 88    
Minimum Humidity 59    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.04 in    
Wind  
Wind Speed 5 mph (NW)    
Max Wind Speed 13 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

Sep. 17, 2012 Rise Set
Actual Time 6:53 AM PDT 7:12 PM PDT
Civil Twilight 6:26 AM PDT 7:38 PM PDT
Nautical Twilight 5:56 AM PDT 8:09 PM PDT
Astronomical Twilight 5:24 AM PDT 8:40 PM PDT
Moon 8:44 AM PDT (9/17) 8:02 PM PDT (9/17)
Length of Visible Light 13h 11m
Length of Day
12h 19m
Waxing Crescent, 4% of the Moon is Illuminated
Sep 17
Waxing Crescent
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 55.4 °F 50.0 °F 82% 30.02 in 10.0 mi NW 3.5 mph - N/A   Clear
12:35 AM 55.4 °F 50.0 °F 82% 30.02 in 10.0 mi NW 3.5 mph - N/A   Clear
12:55 AM 55.4 °F 50.0 °F 82% 30.02 in 10.0 mi NW 3.5 mph - N/A   Clear
1:15 AM 55.4 °F 50.0 °F 82% 30.02 in 10.0 mi NW 3.5 mph - N/A   Clear
1:35 AM 55.4 °F 50.0 °F 82% 30.03 in 10.0 mi NW 4.6 mph - N/A   Partly Cloudy
1:55 AM 53.6 °F 50.0 °F 88% 30.03 in 10.0 mi NW 4.6 mph - N/A   Scattered Clouds
2:15 AM 55.4 °F 50.0 °F 82% 30.04 in 10.0 mi NW 5.8 mph - N/A   Mostly Cloudy
2:55 AM 55.4 °F 50.0 °F 82% 30.03 in 10.0 mi West 5.8 mph - N/A   Overcast
3:15 AM 55.4 °F 50.0 °F 82% 30.03 in 10.0 mi West 6.9 mph - N/A   Overcast
3:35 AM 55.4 °F 50.0 °F 82% 30.03 in 10.0 mi West 3.5 mph - N/A   Overcast
3:55 AM 55.4 °F 50.0 °F 82% 30.03 in 10.0 mi WNW 3.5 mph - N/A   Overcast
4:15 AM 55.4 °F 50.0 °F 82% 30.03 in 10.0 mi WNW 5.8 mph - N/A   Overcast
4:35 AM 55.4 °F 50.0 °F 82% 30.04 in 10.0 mi West 5.8 mph - N/A   Overcast
4:55 AM 55.4 °F 50.0 °F 82% 30.04 in 10.0 mi West 6.9 mph - N/A   Overcast
5:15 AM 55.4 °F 50.0 °F 82% 30.04 in 10.0 mi WNW 5.8 mph - N/A   Overcast
5:35 AM 55.4 °F 50.0 °F 82% 30.03 in 10.0 mi NW 3.5 mph - N/A   Overcast
5:55 AM 55.4 °F 50.0 °F 82% 30.03 in 10.0 mi NNW 3.5 mph - N/A   Overcast
6:15 AM 55.4 °F 50.0 °F 82% 30.04 in 10.0 mi Calm Calm - N/A   Overcast
6:35 AM 55.4 °F 50.0 °F 82% 30.04 in 10.0 mi Calm Calm - N/A   Overcast
6:47 AM 57.2 °F 51.8 °F 82% 30.04 in 10.0 mi Calm Calm - N/A   Overcast
6:55 AM 55.4 °F 51.8 °F 88% 30.04 in 10.0 mi Calm Calm - N/A   Overcast
7:47 AM 57.2 °F 51.8 °F 82% 30.05 in 10.0 mi East 3.5 mph - N/A   Overcast
8:47 AM 57.2 °F 51.8 °F 82% 30.06 in 10.0 mi West 9.2 mph - N/A   Overcast
9:48 AM 57.2 °F 50.0 °F 77% 30.07 in 10.0 mi WNW 5.8 mph - N/A   Overcast
10:50 AM 59.0 °F 50.0 °F 72% 30.08 in 10.0 mi Calm Calm - N/A   Overcast
11:50 AM 62.6 °F 50.0 °F 63% 30.07 in 10.0 mi WNW 8.1 mph - N/A   Scattered Clouds
12:50 PM 64.4 °F 50.0 °F 59% 30.05 in 10.0 mi North 9.2 mph - N/A   Partly Cloudy
2:47 PM 66.2 °F 51.8 °F 60% 30.02 in 10.0 mi North 9.2 mph - N/A   Partly Cloudy
3:47 PM 66.2 °F 53.6 °F 64% 30.00 in 10.0 mi North 12.7 mph - N/A   Clear
4:54 PM 64.4 °F 53.6 °F 68% 30.00 in 25.0 mi North 11.5 mph - N/A   Clear
5:47 PM 64.4 °F 50.0 °F 59% 30.00 in 25.0 mi West 10.4 mph - N/A   Partly Cloudy
6:47 PM 60.8 °F 50.0 °F 68% 30.01 in 20.0 mi NW 8.1 mph - N/A   Clear
7:47 PM 57.2 °F 50.0 °F 77% 30.02 in 10.0 mi NW 10.4 mph - N/A   Clear
8:47 PM 57.2 °F 50.0 °F 77% 30.04 in 10.0 mi WNW 8.1 mph - N/A   Clear
9:15 PM 57.2 °F 50.0 °F 77% 30.05 in 10.0 mi WNW 3.5 mph - N/A   Clear
9:35 PM 57.2 °F 50.0 °F 77% 30.05 in 10.0 mi West 3.5 mph - N/A   Clear
9:55 PM 57.2 °F 50.0 °F 77% 30.05 in 10.0 mi WNW 3.5 mph - N/A   Clear
10:15 PM 55.4 °F 50.0 °F 82% 30.06 in 10.0 mi NW 5.8 mph - N/A   Clear
10:35 PM 55.4 °F 50.0 °F 82% 30.06 in 10.0 mi NW 5.8 mph - N/A   Clear
10:55 PM 55.4 °F 50.0 °F 82% 30.06 in 10.0 mi NW 5.8 mph - N/A   Clear
11:15 PM 55.4 °F 50.0 °F 82% 30.06 in 10.0 mi NW 6.9 mph - N/A   Clear
11:35 PM 55.4 °F 50.0 °F 82% 30.06 in 10.0 mi NW 4.6 mph - N/A   Clear
11:55 PM 55.4 °F 50.0 °F 82% 30.06 in 10.0 mi West 4.6 mph - N/A   Clear