Weather History for Alturas, CA

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Saturday, April 21, 2012

  Actual Average Record
Temperature  
Mean Temperature 58 °F 44 °F  
Max Temperature 81 °F 59 °F 83 °F (2009)
Min Temperature 34 °F 30 °F 15 °F (1967)
Degree Days  
Heating Degree Days 7 20  
Month to date heating degree days 450 481  
Since 1 July heating degree days 5933 6173  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Growing Degree Days 8 (Base 50)    
Moisture  
Dew Point 37 °F    
Average Humidity 59    
Maximum Humidity 100    
Minimum Humidity 18    
Precipitation  
Precipitation 0.00 in 0.06 in 0.59 in (1983)
Month to date precipitation 0.81 1.07  
Year to date precipitation 3.69 5.69  
Sea Level Pressure  
Sea Level Pressure 30.03 in    
Wind  
Wind Speed 3 mph (West)    
Max Wind Speed 14 mph    
Max Gust Speed 17 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Apr. 21, 2012 Rise Set
Actual Time 6:12 AM PDT 7:49 PM PDT
Civil Twilight 5:43 AM PDT 8:19 PM PDT
Nautical Twilight 5:07 AM PDT 8:54 PM PDT
Astronomical Twilight 4:30 AM PDT 9:32 PM PDT
Moon 6:10 AM PDT (4/21) 8:37 PM PDT (4/21)
Length of Visible Light 14h 36m
Length of Day
13h 37m
Waxing Crescent, 0% of the Moon is Illuminated
Apr 21
Waxing Crescent
Apr 29
First Quarter
May 5
Full
May 12
Last Quarter
May 20
New

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:55 AM 46.0 °F 39.0 °F 76% 30.09 in 10.0 mi Calm Calm - N/A   Clear
1:55 AM 43.0 °F 39.0 °F 86% 30.09 in 10.0 mi Calm Calm - N/A   Clear
2:55 AM 41.0 °F 37.9 °F 89% 30.08 in 10.0 mi Calm Calm - N/A   Clear
3:55 AM 39.0 °F 37.9 °F 96% 30.09 in 10.0 mi Calm Calm - N/A   Clear
4:55 AM 36.0 °F 35.1 °F 97% 30.09 in 10.0 mi Calm Calm - N/A   Clear
5:55 AM 36.0 °F 35.1 °F 97% 30.09 in 10.0 mi Calm Calm - N/A   Clear
6:55 AM 37.0 °F 36.0 °F 96% 30.10 in 10.0 mi Calm Calm - N/A   Clear
7:55 AM 46.9 °F 39.9 °F 77% 30.10 in 10.0 mi Calm Calm - N/A   Clear
8:55 AM 54.0 °F 39.9 °F 59% 30.09 in 10.0 mi Calm Calm - N/A   Clear
9:55 AM 62.1 °F 39.0 °F 43% 30.06 in 10.0 mi Calm Calm - N/A   Clear
10:55 AM 66.9 °F 39.0 °F 36% 30.05 in 10.0 mi Calm Calm - N/A   Clear
11:55 AM 72.0 °F 39.0 °F 30% 30.04 in 10.0 mi West 4.6 mph - N/A   Clear
12:55 PM 75.9 °F 36.0 °F 23% 30.01 in 10.0 mi West 6.9 mph - N/A   Clear
1:55 PM 77.0 °F 34.0 °F 21% 30.00 in 10.0 mi WSW 8.1 mph - N/A   Clear
2:55 PM 80.1 °F 33.1 °F 18% 29.98 in 10.0 mi NNE 5.8 mph 16.1 mph N/A   Clear
3:55 PM 79.0 °F 34.0 °F 20% 29.96 in 10.0 mi Calm Calm - N/A   Clear
4:55 PM 80.1 °F 36.0 °F 20% 29.96 in 10.0 mi NW 8.1 mph - N/A   Clear
5:55 PM 79.0 °F 34.0 °F 20% 29.95 in 10.0 mi West 6.9 mph - N/A   Clear
6:55 PM 75.9 °F 33.1 °F 21% 29.94 in 10.0 mi West 8.1 mph - N/A   Clear
7:55 PM 66.0 °F 36.0 °F 33% 29.96 in 10.0 mi West 5.8 mph - N/A   Clear
8:55 PM 60.1 °F 36.0 °F 41% 29.98 in 10.0 mi West 4.6 mph - N/A   Clear
9:55 PM 57.0 °F 37.9 °F 49% 29.99 in 10.0 mi ESE 5.8 mph - N/A   Clear
10:55 PM 52.0 °F 39.9 °F 63% 30.00 in 10.0 mi Calm Calm - N/A   Clear
11:55 PM 50.0 °F 39.9 °F 68% 30.01 in 10.0 mi Calm Calm - N/A   Clear