Weather History for Alturas, CA

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Friday, February 15, 2013

  Actual Average Record
Temperature  
Mean Temperature 38 °F 34 °F  
Max Temperature 57 °F 46 °F 68 °F (1996)
Min Temperature 19 °F 22 °F -15 °F (1911)
Degree Days  
Heating Degree Days 27 31  
Month to date heating degree days 473 483  
Since 1 July heating degree days 4156 4481  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 25 °F    
Average Humidity 63    
Maximum Humidity 96    
Minimum Humidity 30    
Precipitation  
Precipitation 0.00 in 0.05 in 0.19 in (1976)
Month to date precipitation 0.07 0.73  
Year to date precipitation 0.55 2.38  
Sea Level Pressure  
Sea Level Pressure 30.41 in    
Wind  
Wind Speed 4 mph (SSE)    
Max Wind Speed 17 mph    
Max Gust Speed 23 mph    
Visibility 9 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Feb. 15, 2013 Rise Set
Actual Time 6:56 AM PST 5:36 PM PST
Civil Twilight 6:28 AM PST 6:04 PM PST
Nautical Twilight 5:56 AM PST 6:37 PM PST
Astronomical Twilight 5:24 AM PST 7:09 PM PST
Moon 9:31 AM PST (2/15) 11:47 PM PST (2/15)
Length of Visible Light 11h 36m
Length of Day
10h 39m
Waxing Crescent, 31% of the Moon is Illuminated
Feb 15
Waxing Crescent
Feb 17
First Quarter
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:55 AM 25.0 °F - 23.0 °F 92% 30.48 in 7.0 mi Calm Calm - N/A   Clear
1:55 AM 23.0 °F - 21.9 °F 96% 30.48 in 9.0 mi Calm Calm - N/A   Clear
2:55 AM 21.0 °F - 19.9 °F 96% 30.48 in 10.0 mi Calm Calm - N/A   Clear
4:55 AM 21.0 °F - 19.0 °F 92% 30.48 in 5.0 mi Calm Calm - N/A   Clear
5:55 AM 19.9 °F - 18.0 °F 92% 30.49 in 6.0 mi Calm Calm - N/A   Clear
6:55 AM 19.0 °F - 18.0 °F 96% 30.49 in 4.0 mi Calm Calm - N/A   Clear
7:55 AM 25.0 °F - 21.9 °F 88% 30.48 in 10.0 mi Calm Calm - N/A   Clear
8:55 AM 33.1 °F - 28.0 °F 82% 30.46 in 10.0 mi Calm Calm - N/A   Clear
9:55 AM 42.1 °F 38.4 °F 30.0 °F 62% 30.44 in 10.0 mi NE 5.8 mph - N/A   Clear
10:55 AM 48.9 °F - 26.1 °F 41% 30.42 in 10.0 mi Variable 3.5 mph - N/A   Clear
11:55 AM 52.0 °F - 28.0 °F 40% 30.39 in 10.0 mi SE 6.9 mph - N/A   Clear
12:55 PM 55.0 °F - 27.0 °F 34% 30.36 in 10.0 mi South 15.0 mph 21.9 mph N/A   Clear
1:55 PM 55.9 °F - 27.0 °F 33% 30.34 in 10.0 mi South 15.0 mph 23.0 mph N/A   Clear
2:55 PM 57.0 °F - 27.0 °F 32% 30.33 in 10.0 mi South 10.4 mph - N/A   Clear
3:55 PM 55.9 °F - 27.0 °F 33% 30.33 in 10.0 mi SSE 10.4 mph - N/A   Clear
4:55 PM 52.0 °F - 28.9 °F 41% 30.33 in 10.0 mi SSE 8.1 mph - N/A   Clear
5:55 PM 44.1 °F 39.5 °F 28.9 °F 55% 30.36 in 10.0 mi SSE 8.1 mph - N/A   Clear
6:55 PM 41.0 °F 38.0 °F 27.0 °F 57% 30.39 in 10.0 mi South 4.6 mph - N/A   Clear
7:55 PM 39.9 °F - 27.0 °F 60% 30.38 in 10.0 mi Calm Calm - N/A   Clear
8:55 PM 34.0 °F - 26.1 °F 73% 30.38 in 10.0 mi Calm Calm - N/A   Clear
9:55 PM 28.9 °F - 25.0 °F 85% 30.38 in 5.0 mi Calm Calm - N/A   Clear
10:55 PM 26.1 °F - 23.0 °F 88% 30.36 in 7.0 mi Calm Calm - N/A   Clear
11:55 PM 28.9 °F 23.9 °F 25.0 °F 85% 30.34 in 7.0 mi ENE 4.6 mph - N/A   Clear