Weather History for Mount Shasta, CA

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Saturday, February 18, 2012

  Actual Average Record
Temperature  
Mean Temperature 37 °F 39 °F  
Max Temperature 45 °F 49 °F 67 °F (1965)
Min Temperature 28 °F 28 °F 9 °F (1918)
Degree Days  
Heating Degree Days 28 26  
Month to date heating degree days 456 493  
Since 1 July heating degree days 3447 3719  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 22 °F    
Average Humidity 61    
Maximum Humidity 89    
Minimum Humidity 30    
Precipitation  
Precipitation 0.00 in 0.28 in 1.96 in (1958)
Month to date precipitation 0.93 4.50  
Year to date precipitation 6.30 11.56  
Sea Level Pressure  
Sea Level Pressure 30.21 in    
Wind  
Wind Speed 6 mph (NNW)    
Max Wind Speed 13 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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Date:

Astronomy

Feb. 18, 2012 Rise Set
Actual Time 7:00 AM PST 5:46 PM PST
Civil Twilight 6:32 AM PST 6:14 PM PST
Nautical Twilight 6:00 AM PST 6:46 PM PST
Astronomical Twilight 5:28 AM PST 7:18 PM PST
Moon 4:45 AM PST (2/18) 2:47 PM PST (2/18)
Length of Visible Light 11h 42m
Length of Day
10h 45m
Waning Crescent, 10% of the Moon is Illuminated
Feb 18
Waning Crescent
Feb 21
New
Feb 29
First Quarter
Mar 8
Full
Mar 14
Last Quarter

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 34.0 °F - 28.9 °F 82% 30.20 in 10.0 mi Calm Calm - N/A   Clear
1:56 AM 32.0 °F - 28.0 °F 85% 30.19 in 6.0 mi Calm Calm - N/A   Clear
2:56 AM 32.0 °F - 28.0 °F 85% 30.18 in 7.0 mi Calm Calm - N/A   Clear
3:56 AM 34.0 °F - 30.0 °F 85% 30.17 in 10.0 mi Calm Calm - N/A   Partly Cloudy
4:56 AM 37.0 °F 31.0 °F 28.9 °F 73% 30.17 in 10.0 mi NW 8.1 mph 17.3 mph N/A   Clear
5:56 AM 36.0 °F 33.3 °F 28.0 °F 73% 30.19 in 10.0 mi Variable 3.5 mph - N/A   Partly Cloudy
6:56 AM 36.0 °F 29.6 °F 25.0 °F 64% 30.20 in 10.0 mi NW 8.1 mph 16.1 mph N/A   Clear
7:56 AM 36.0 °F 30.3 °F 24.1 °F 62% 30.24 in 10.0 mi Variable 6.9 mph - N/A   Overcast
8:56 AM 37.0 °F 31.0 °F 19.9 °F 50% 30.25 in 10.0 mi North 8.1 mph - N/A   Mostly Cloudy
9:56 AM 39.0 °F 33.4 °F 19.9 °F 46% 30.25 in 10.0 mi NNW 8.1 mph - N/A   Mostly Cloudy
10:56 AM 41.0 °F 35.2 °F 18.0 °F 40% 30.24 in 10.0 mi North 9.2 mph 19.6 mph N/A   Clear
11:56 AM 41.0 °F 37.1 °F 17.1 °F 38% 30.23 in 10.0 mi Variable 5.8 mph - N/A   Mostly Cloudy
12:56 PM 42.1 °F 37.1 °F 16.0 °F 35% 30.20 in 10.0 mi NNE 8.1 mph 16.1 mph N/A   Mostly Cloudy
1:56 PM 42.1 °F 36.6 °F 14.0 °F 32% 30.19 in 10.0 mi NNE 9.2 mph 20.7 mph N/A   Mostly Cloudy
2:56 PM 39.0 °F 33.4 °F 18.0 °F 43% 30.20 in 10.0 mi NW 8.1 mph - N/A   Mostly Cloudy
3:56 PM 37.0 °F 29.8 °F 21.0 °F 52% 30.20 in 10.0 mi NNW 10.4 mph 17.3 mph N/A   Partly Cloudy
4:56 PM 35.1 °F 27.9 °F 21.0 °F 57% 30.21 in 10.0 mi NW 9.2 mph 18.4 mph N/A   Partly Cloudy
5:56 PM 35.1 °F 28.6 °F 19.0 °F 52% 30.21 in 10.0 mi NNW 8.1 mph 19.6 mph N/A   Mostly Cloudy
6:56 PM 33.1 °F 26.1 °F 21.0 °F 61% 30.22 in 10.0 mi NNW 8.1 mph 16.1 mph N/A   Clear
7:56 PM 33.1 °F 26.1 °F 19.0 °F 56% 30.21 in 10.0 mi NNW 8.1 mph 17.3 mph N/A   Clear
8:56 PM 30.0 °F 24.1 °F 21.0 °F 69% 30.23 in 10.0 mi Variable 5.8 mph - N/A   Clear
9:56 PM 30.0 °F 26.5 °F 21.0 °F 69% 30.23 in 10.0 mi North 3.5 mph - N/A   Clear
10:56 PM 28.9 °F 23.9 °F 21.0 °F 72% 30.22 in 10.0 mi North 4.6 mph - N/A   Clear
11:56 PM 28.0 °F 24.2 °F 21.0 °F 75% 30.22 in 10.0 mi NNE 3.5 mph - N/A   Clear