Weather History for San Luis Obispo, CA

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Tuesday, May 21, 2013

  Actual Average Record
Temperature  
Mean Temperature 62 °F -  
Max Temperature 75 °F 71 °F 96 °F (2000)
Min Temperature 48 °F 47 °F 36 °F (1974)
Degree Days  
Heating Degree Days 3    
Growing Degree Days 12 (Base 50)    
Moisture  
Dew Point 49 °F    
Average Humidity 74    
Maximum Humidity 94    
Minimum Humidity 46    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.92 in    
Wind  
Wind Speed 6 mph (NW)    
Max Wind Speed 23 mph    
Max Gust Speed 99 mph    
Visibility 8 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

May. 21, 2013 Rise Set
Actual Time 5:54 AM PDT 8:04 PM PDT
Civil Twilight 5:25 AM PDT 8:33 PM PDT
Nautical Twilight 4:50 AM PDT 9:08 PM PDT
Astronomical Twilight 4:12 AM PDT 9:46 PM PDT
Moon 4:31 PM PDT (5/21) 3:16 AM PDT (5/21)
Length of Visible Light 15h 07m
Length of Day
14h 10m
Waxing Gibbous, 85% of the Moon is Illuminated
May 21
Waxing Gibbous
May 24
Full
May 31
Last Quarter
Jun 8
New
Jun 16
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 54.0 °F 50.0 °F 86% 29.93 in 7.0 mi East 5.8 mph - N/A   Clear
1:56 AM 54.0 °F 50.0 °F 86% 29.91 in 7.0 mi North - - N/A   Clear
2:56 AM 53.1 °F 48.9 °F 86% 29.90 in 7.0 mi ESE 5.8 mph - N/A   Clear
3:31 AM 53.6 °F 48.2 °F 82% 29.90 in 7.0 mi West 3.5 mph 99.0 mph N/A   Squalls
3:41 AM 51.8 °F 48.2 °F 88% 29.89 in 7.0 mi Calm Calm - N/A   Clear
3:56 AM 52.0 °F 48.9 °F 89% 29.89 in 7.0 mi Calm Calm - N/A   Clear
4:56 AM 51.1 °F 48.0 °F 89% 29.91 in 7.0 mi Calm Calm - N/A   Clear
5:47 AM 51.8 °F 48.2 °F 88% 29.91 in 5.0 mi Calm Calm - N/A   Scattered Clouds
5:56 AM 51.1 °F 48.9 °F 92% 29.91 in 4.0 mi West 3.5 mph - N/A   Scattered Clouds
6:56 AM 52.0 °F 50.0 °F 93% 29.93 in 3.0 mi Calm Calm - N/A   Scattered Clouds
7:13 AM 53.6 °F 51.8 °F 94% 29.94 in 4.0 mi West 3.5 mph - N/A   Mostly Cloudy
7:56 AM 54.0 °F 51.1 °F 90% 29.95 in 4.0 mi Calm Calm - N/A   Mostly Cloudy
8:24 AM 55.4 °F 51.8 °F 88% 29.95 in 6.0 mi Calm Calm - N/A   Haze
8:56 AM 60.1 °F 52.0 °F 75% 29.96 in 7.0 mi SE 3.5 mph - N/A   Mostly Cloudy
9:56 AM 64.9 °F 52.0 °F 63% 29.95 in 9.0 mi Calm Calm - N/A   Clear
10:56 AM 73.0 °F 51.1 °F 46% 29.94 in 10.0 mi Calm Calm - N/A   Clear
11:56 AM 72.0 °F 51.1 °F 48% 29.94 in 10.0 mi NW 13.8 mph - N/A   Clear
12:56 PM 72.0 °F 50.0 °F 46% 29.93 in 10.0 mi NW 17.3 mph - N/A   Clear
1:56 PM 71.1 °F 50.0 °F 47% 29.92 in 10.0 mi NW 19.6 mph - N/A   Clear
2:56 PM 69.1 °F 48.9 °F 49% 29.92 in 10.0 mi NW 19.6 mph 27.6 mph N/A   Clear
3:56 PM 66.9 °F 46.9 °F 49% 29.91 in 10.0 mi NW 23.0 mph 28.8 mph N/A   Clear
4:56 PM 62.1 °F 46.0 °F 56% 29.91 in 10.0 mi NW 20.7 mph 29.9 mph N/A   Clear
5:56 PM 60.1 °F 46.0 °F 60% 29.90 in 10.0 mi NW 19.6 mph 26.5 mph N/A   Clear
6:56 PM 57.0 °F 45.0 °F 64% 29.91 in 10.0 mi NW 21.9 mph 25.3 mph N/A   Clear
7:56 PM 54.0 °F 45.0 °F 72% 29.91 in 9.0 mi NW 15.0 mph - N/A   Clear
8:56 PM 52.0 °F 45.0 °F 77% 29.92 in 9.0 mi WNW 6.9 mph - N/A   Clear
9:56 PM 52.0 °F 46.0 °F 80% 29.93 in 9.0 mi NNW 6.9 mph - N/A   Clear
10:56 PM 51.1 °F 45.0 °F 80% 29.94 in 8.0 mi North - - N/A   Clear
11:56 PM 48.9 °F 45.0 °F 86% 29.93 in 8.0 mi Calm Calm - N/A   Clear