Weather History for Mount Shasta, CA

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Tuesday, May 21, 2013

  Actual Average Record
Temperature  
Mean Temperature 51 °F 56 °F  
Max Temperature 66 °F 71 °F 89 °F (1919)
Min Temperature 35 °F 41 °F 25 °F (1909)
Degree Days  
Heating Degree Days 14 10  
Month to date heating degree days 138 251  
Since 1 July heating degree days 4898 5466  
Cooling Degree Days 0 0  
Month to date cooling degree days 9 0  
Year to date cooling degree days 9 0  
Moisture  
Dew Point 28 °F    
Average Humidity 43    
Maximum Humidity 70    
Minimum Humidity 21    
Precipitation  
Precipitation 0.00 in 0.07 in 0.97 in (2006)
Month to date precipitation 0.60 1.51  
Year to date precipitation 6.11 24.69  
Sea Level Pressure  
Sea Level Pressure 29.92 in    
Wind  
Wind Speed 5 mph (NNE)    
Max Wind Speed 14 mph    
Max Gust Speed 25 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Astronomy

May. 21, 2013 Rise Set
Actual Time 5:45 AM PDT 8:27 PM PDT
Civil Twilight 5:12 AM PDT 8:59 PM PDT
Nautical Twilight 4:32 AM PDT 9:39 PM PDT
Astronomical Twilight 3:46 AM PDT 10:25 PM PDT
Moon 4:45 PM PDT (5/21) 3:18 AM PDT (5/21)
Length of Visible Light 15h 46m
Length of Day
14h 42m
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. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 54.0 °F - 35.1 °F 49% 29.94 in 10.0 mi Calm Calm - N/A   Clear
1:56 AM 53.1 °F - 34.0 °F 48% 29.92 in 10.0 mi Calm Calm - N/A   Clear
2:56 AM 48.9 °F - 34.0 °F 56% 29.89 in 10.0 mi Calm Calm - N/A   Clear
3:56 AM 46.9 °F - 34.0 °F 61% 29.87 in 10.0 mi ENE 3.5 mph - N/A   Clear
4:56 AM 43.0 °F - 33.1 °F 68% 29.88 in 10.0 mi Calm Calm - N/A   Clear
5:56 AM 44.1 °F 41.5 °F 30.9 °F 60% 29.84 in 10.0 mi ENE 4.6 mph - N/A   Clear
6:56 AM 46.0 °F 44.8 °F 32.0 °F 58% 29.85 in 10.0 mi ENE 3.5 mph - N/A   Clear
7:56 AM 55.0 °F - 35.1 °F 47% 29.85 in 10.0 mi Calm Calm - N/A   Clear
8:56 AM 59.0 °F - 19.0 °F 21% 29.86 in 10.0 mi Variable 3.5 mph - N/A   Clear
9:56 AM 62.1 °F - 23.0 °F 22% 29.88 in 10.0 mi Calm Calm - N/A   Clear
10:56 AM - - - N/A% 29.89 in - North - - N/A   Unknown
11:56 AM - - - N/A% 29.90 in - North - - N/A   Unknown
12:56 PM 64.0 °F - 28.0 °F 26% 29.89 in 10.0 mi Calm Calm - N/A   Clear
1:56 PM 64.9 °F - 27.0 °F 24% 29.89 in 10.0 mi Variable 5.8 mph - N/A   Clear
2:56 PM 64.9 °F - 24.1 °F 21% 29.90 in 10.0 mi Variable 3.5 mph - N/A   Clear
3:56 PM 63.0 °F - 28.0 °F 27% 29.91 in 10.0 mi Variable 6.9 mph - N/A   Scattered Clouds
4:56 PM 55.0 °F - 25.0 °F 31% 29.93 in 10.0 mi North 9.2 mph 19.6 mph N/A   Scattered Clouds
5:56 PM 53.1 °F - 28.9 °F 40% 29.94 in 10.0 mi Variable 6.9 mph 20.7 mph N/A   Clear
6:56 PM 50.0 °F - 26.1 °F 39% 29.95 in 10.0 mi North 9.2 mph 18.4 mph N/A   Clear
7:56 PM 45.0 °F 40.6 °F 25.0 °F 46% 29.96 in 10.0 mi North 8.1 mph 21.9 mph N/A   Clear
8:56 PM 41.0 °F 37.1 °F 25.0 °F 53% 30.00 in 10.0 mi Variable 5.8 mph 24.2 mph N/A   Partly Cloudy
9:56 PM 39.0 °F 33.4 °F 21.0 °F 49% 30.01 in 10.0 mi North 8.1 mph 17.3 mph N/A   Clear
10:56 PM 37.9 °F 32.7 °F 21.0 °F 51% 30.00 in 10.0 mi Variable 6.9 mph - N/A   Clear
11:56 PM 37.0 °F 30.4 °F 21.9 °F 54% 30.02 in 10.0 mi North 9.2 mph 17.3 mph N/A   Scattered Clouds