Weather History for San Luis Obispo, CA

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Tuesday, September 17, 2013

  Actual Average Record
Temperature  
Mean Temperature 66 °F -  
Max Temperature 79 °F 79 °F 99 °F (1979)
Min Temperature 55 °F 51 °F 43 °F (1986)
Cooling Degree Days 1    
Growing Degree Days 16 (Base 50)    
Moisture  
Dew Point 53 °F    
Average Humidity 76    
Maximum Humidity 100    
Minimum Humidity 40    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.83 in    
Wind  
Wind Speed 7 mph (NW)    
Max Wind Speed 24 mph    
Max Gust Speed 31 mph    
Visibility 9 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, 2013 Rise Set
Actual Time 6:47 AM PDT 7:06 PM PDT
Civil Twilight 6:21 AM PDT 7:31 PM PDT
Nautical Twilight 5:51 AM PDT 8:01 PM PDT
Astronomical Twilight 5:21 AM PDT 8:31 PM PDT
Moon 5:54 PM PDT (9/17) 4:50 AM PDT (9/17)
Length of Visible Light 13h 09m
Length of Day
12h 19m
Waxing Gibbous, 96% of the Moon is Illuminated
Sep 17
Waxing Gibbous
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 57.9 °F 55.9 °F 93% 29.84 in 10.0 mi Variable 4.6 mph - N/A   Overcast
1:56 AM 57.9 °F 55.0 °F 90% 29.83 in 10.0 mi Variable 4.6 mph - N/A   Overcast
2:56 AM 57.9 °F 55.0 °F 90% 29.83 in 10.0 mi Variable 5.8 mph - N/A   Overcast
3:56 AM 57.0 °F 55.0 °F 93% 29.82 in 9.0 mi Variable 3.5 mph - N/A   Overcast
4:56 AM 57.0 °F 55.0 °F 93% 29.83 in 10.0 mi Calm Calm - N/A   Overcast
5:56 AM 57.0 °F 55.0 °F 93% 29.84 in 9.0 mi North - - N/A   Overcast
6:24 AM 55.4 °F 55.4 °F 100% 29.85 in 5.0 mi NW 5.8 mph - N/A   Overcast
6:56 AM 55.0 °F 54.0 °F 96% 29.84 in 2.0 mi Calm Calm - N/A   Overcast
7:20 AM 55.4 °F 53.6 °F 94% 29.85 in 1.5 mi Calm Calm - N/A   Overcast
7:56 AM 55.0 °F 54.0 °F 96% 29.86 in 2.0 mi Calm Calm - N/A   Overcast
8:23 AM 55.4 °F 53.6 °F 94% 29.87 in 7.0 mi NNW 5.8 mph - N/A   Mostly Cloudy
8:36 AM 57.2 °F 53.6 °F 88% 29.87 in 10.0 mi Calm Calm - N/A   Scattered Clouds
8:56 AM 59.0 °F 54.0 °F 83% 29.87 in 10.0 mi Calm Calm - N/A   Partly Cloudy
9:56 AM 69.1 °F 53.1 °F 57% 29.85 in 10.0 mi WNW 9.2 mph - N/A   Clear
10:56 AM 77.0 °F 51.1 °F 40% 29.84 in 10.0 mi NW 8.1 mph 18.4 mph N/A   Clear
11:56 AM 75.0 °F 53.1 °F 46% 29.82 in 10.0 mi NW 20.7 mph - N/A   Clear
12:56 PM 73.9 °F 54.0 °F 50% 29.82 in 10.0 mi NW 18.4 mph - N/A   Clear
1:56 PM 73.0 °F 54.0 °F 51% 29.81 in 10.0 mi NW 24.2 mph 29.9 mph N/A   Clear
2:56 PM 73.0 °F 53.1 °F 49% 29.80 in 10.0 mi NW 21.9 mph 29.9 mph N/A   Clear
3:56 PM 71.1 °F 52.0 °F 51% 29.80 in 10.0 mi NW 23.0 mph 31.1 mph N/A   Clear
4:56 PM 69.1 °F 52.0 °F 54% 29.80 in 10.0 mi NW 19.6 mph 26.5 mph N/A   Clear
5:56 PM 64.9 °F 51.1 °F 61% 29.79 in 10.0 mi NW 23.0 mph - N/A   Clear
6:56 PM 62.1 °F 51.1 °F 67% 29.79 in 10.0 mi NW 17.3 mph - N/A   Clear
7:56 PM 59.0 °F 52.0 °F 78% 29.80 in 10.0 mi Variable 5.8 mph 25.3 mph N/A   Clear
8:56 PM 59.0 °F 52.0 °F 78% 29.81 in 10.0 mi North - - N/A   Clear
9:56 PM 57.9 °F 52.0 °F 81% 29.82 in 10.0 mi NW 10.4 mph - N/A   Clear
10:49 PM 57.2 °F 51.8 °F 82% 29.83 in 10.0 mi North - - N/A   Clear
10:56 PM 57.0 °F 52.0 °F 83% 29.83 in 10.0 mi NW 11.5 mph 28.8 mph N/A   Clear
11:56 PM 55.9 °F 52.0 °F 87% 29.83 in 10.0 mi North - - N/A   Clear