Weather History for San Carlos, CA

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Monday, August 20, 2012

  Actual Average Record
Temperature  
Mean Temperature 61 °F -  
Max Temperature 69 °F 80 °F 97 °F (1964)
Min Temperature 53 °F 54 °F 47 °F (1955)
Degree Days  
Heating Degree Days 4    
Growing Degree Days 11 (Base 50)    
Moisture  
Dew Point 52 °F    
Average Humidity 77    
Maximum Humidity 100    
Minimum Humidity 52    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.92 in    
Wind  
Wind Speed 5 mph (NNW)    
Max Wind Speed 12 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

Aug. 20, 2012 Rise Set
Actual Time 6:29 AM PDT 7:54 PM PDT
Civil Twilight 6:02 AM PDT 8:21 PM PDT
Nautical Twilight 5:29 AM PDT 8:54 PM PDT
Astronomical Twilight 4:54 AM PDT 9:28 PM PDT
Moon 9:52 AM PDT (8/20) 9:26 PM PDT (8/20)
Length of Visible Light 14h 19m
Length of Day
13h 24m
Waxing Crescent, 12% of the Moon is Illuminated
Aug 20
Waxing Crescent
Aug 24
First Quarter
Aug 31
Full
Sep 8
Last Quarter
Sep 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% 29.93 in 10.0 mi NW 5.8 mph - N/A   Clear
12:30 AM 55.4 °F 50.0 °F 82% 29.93 in 10.0 mi NW 4.6 mph - N/A   Clear
12:50 AM 55.4 °F 50.0 °F 82% 29.93 in 10.0 mi NW 4.6 mph - N/A   Clear
1:15 AM 55.4 °F 50.0 °F 82% 29.93 in 10.0 mi NW 3.5 mph - N/A   Clear
1:30 AM 55.4 °F 50.0 °F 82% 29.92 in 10.0 mi NW 3.5 mph - N/A   Clear
1:50 AM 57.2 °F 50.0 °F 77% 29.92 in 10.0 mi South 4.6 mph - N/A   Clear
2:15 AM 57.2 °F 51.8 °F 82% 29.92 in 10.0 mi SW 3.5 mph - N/A   Clear
2:30 AM 55.4 °F 51.8 °F 88% 29.92 in 10.0 mi Calm Calm - N/A   Clear
2:50 AM 55.4 °F 51.8 °F 88% 29.92 in 10.0 mi WNW 4.6 mph - N/A   Mostly Cloudy
3:15 AM 55.4 °F 50.0 °F 82% 29.92 in 10.0 mi NW 5.8 mph - N/A   Overcast
3:30 AM 53.6 °F 50.0 °F 88% 29.92 in 10.0 mi NNW 3.5 mph - N/A   Scattered Clouds
3:50 AM 53.6 °F 50.0 °F 88% 29.92 in 10.0 mi Calm Calm - N/A   Scattered Clouds
4:15 AM 55.4 °F 50.0 °F 82% 29.92 in 10.0 mi NW 3.5 mph - N/A   Overcast
4:30 AM 55.4 °F 50.0 °F 82% 29.93 in 10.0 mi NW 3.5 mph - N/A   Overcast
4:50 AM 55.4 °F 50.0 °F 82% 29.92 in 10.0 mi Calm Calm - N/A   Overcast
5:15 AM 55.4 °F 50.0 °F 82% 29.92 in 10.0 mi Calm Calm - N/A   Overcast
5:30 AM 55.4 °F 51.8 °F 88% 29.92 in 10.0 mi Calm Calm - N/A   Overcast
5:50 AM 55.4 °F 51.8 °F 88% 29.92 in 10.0 mi NW 4.6 mph - N/A   Overcast
6:15 AM 57.2 °F 51.8 °F 82% 29.93 in 10.0 mi NNW 3.5 mph - N/A   Overcast
6:30 AM 57.2 °F 51.8 °F 82% 29.93 in 10.0 mi Calm Calm - N/A   Overcast
6:47 AM 57.2 °F 53.6 °F 88% 29.93 in 10.0 mi ENE 3.5 mph - N/A   Overcast
6:50 AM 57.2 °F 53.6 °F 88% 29.93 in 10.0 mi Calm Calm - N/A   Overcast
7:55 AM 57.2 °F 53.6 °F 88% 29.94 in 10.0 mi Calm Calm - N/A   Overcast
8:55 AM 59.0 °F 53.6 °F 82% 29.95 in 10.0 mi North 5.8 mph - N/A   Overcast
9:47 AM 60.8 °F 53.6 °F 77% 29.96 in 10.0 mi North 4.6 mph - N/A   Mostly Cloudy
10:48 AM 62.6 °F 55.4 °F 77% 29.95 in 10.0 mi North 9.2 mph - N/A   Scattered Clouds
11:47 AM 55.4 °F 55.4 °F 100% 29.95 in 10.0 mi North 8.1 mph - N/A   Partly Cloudy
12:47 PM 64.4 °F 55.4 °F 73% 29.93 in 30.0 mi NNE 11.5 mph - N/A   Partly Cloudy
1:49 PM 66.2 °F 55.4 °F 68% 29.92 in 30.0 mi North 10.4 mph - N/A   Partly Cloudy
2:49 PM 68.0 °F 55.4 °F 64% 29.90 in 30.0 mi North 9.2 mph - N/A   Partly Cloudy
3:48 PM 69.8 °F 55.4 °F 60% 29.89 in 30.0 mi North 9.2 mph - N/A   Partly Cloudy
4:47 PM 68.0 °F 55.4 °F 64% 29.88 in 30.0 mi North 9.2 mph - N/A   Partly Cloudy
5:50 PM 69.8 °F 53.6 °F 56% 29.87 in 30.0 mi North 8.1 mph - N/A   Partly Cloudy
6:54 PM 68.0 °F 50.0 °F 52% 29.87 in 20.0 mi NW 8.1 mph - N/A   Partly Cloudy
7:55 PM 62.6 °F 48.2 °F 59% 29.87 in 10.0 mi WNW 11.5 mph - N/A   Partly Cloudy
8:50 PM 62.6 °F 48.2 °F 59% 29.89 in 10.0 mi West 6.9 mph - N/A   Partly Cloudy
9:15 PM 59.0 °F 50.0 °F 72% 29.90 in 10.0 mi WNW 10.4 mph - N/A   Clear
9:55 PM 59.0 °F 50.0 °F 72% 29.91 in 10.0 mi NNW 6.9 mph - N/A   Clear
10:10 PM 59.0 °F 50.0 °F 72% 29.91 in 10.0 mi NW 5.8 mph - N/A   Clear
10:30 PM 59.0 °F 50.0 °F 72% 29.91 in 10.0 mi NW 4.6 mph - N/A   Clear
10:50 PM 59.0 °F 50.0 °F 72% 29.91 in 10.0 mi NNW 4.6 mph - N/A   Clear
11:10 PM 59.0 °F 50.0 °F 72% 29.92 in 10.0 mi NW 6.9 mph - N/A   Clear
11:30 PM 59.0 °F 50.0 °F 72% 29.91 in 10.0 mi NW 5.8 mph - N/A   Clear
11:55 PM 57.2 °F 50.0 °F 77% 29.92 in 10.0 mi NW 6.9 mph - N/A   Clear