Weather History for Alturas, CA

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Sunday, December 9, 2012

  Actual Average Record
Temperature  
Mean Temperature 33 °F 30 °F  
Max Temperature 45 °F 41 °F 65 °F (1959)
Min Temperature 20 °F 19 °F -34 °F (1972)
Degree Days  
Heating Degree Days 32 35  
Month to date heating degree days 255 310  
Since 1 July heating degree days 1669 2120  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 224 156  
Moisture  
Dew Point 24 °F    
Average Humidity 75    
Maximum Humidity 100    
Minimum Humidity 49    
Precipitation  
Precipitation 0.00 in 0.06 in 0.53 in (1964)
Month to date precipitation 1.38 0.47  
Year to date precipitation 9.00 12.93  
Sea Level Pressure  
Sea Level Pressure 30.38 in    
Wind  
Wind Speed 1 mph (SE)    
Max Wind Speed 7 mph    
Max Gust Speed 8 mph    
Visibility 7 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Dec. 09, 2012 Rise Set
Actual Time 7:17 AM PST 4:32 PM PST
Civil Twilight 6:46 AM PST 5:03 PM PST
Nautical Twilight 6:11 AM PST 5:38 PM PST
Astronomical Twilight 5:37 AM PST 6:11 PM PST
Moon 2:54 AM PST (12/9) 1:44 PM PST (12/9)
Length of Visible Light 10h 17m
Length of Day
9h 14m
Waning Crescent, 17% of the Moon is Illuminated
Dec 9
Waning Crescent
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:55 AM 21.9 °F - 19.9 °F 92% 30.30 in 6.0 mi Calm Calm - N/A   Clear
1:55 AM 21.9 °F - 21.0 °F 96% 30.32 in 2.5 mi Calm Calm - N/A   Mostly Cloudy
2:03 AM 21.2 °F - 21.2 °F 100% 30.26 in 3.0 mi Calm Calm - N/A   Mostly Cloudy
2:55 AM 24.1 °F - 21.9 °F 91% 30.32 in 6.0 mi Calm Calm - N/A   Overcast
3:38 AM 24.8 °F - 21.2 °F 86% 30.25 in 2.5 mi Calm Calm - N/A   Mostly Cloudy
3:45 AM 24.8 °F - 21.2 °F 86% 30.25 in 4.0 mi Calm Calm - N/A   Overcast
3:55 AM 24.1 °F - 21.9 °F 91% 30.32 in 6.0 mi Calm Calm - N/A   Overcast
4:55 AM 21.9 °F - 19.9 °F 92% 30.35 in 7.0 mi Calm Calm - N/A   Partly Cloudy
5:55 AM 21.0 °F - 19.0 °F 92% 30.37 in 8.0 mi Calm Calm - N/A   Clear
6:55 AM 19.9 °F - 18.0 °F 92% 30.40 in 9.0 mi Calm Calm - N/A   Clear
7:38 AM 21.2 °F - 17.6 °F 86% 30.32 in 2.0 mi Calm Calm - N/A   Clear
7:53 AM 21.2 °F - 19.4 °F 93% 30.32 in 3.0 mi Calm Calm - N/A   Clear
7:55 AM 21.9 °F - 19.9 °F 92% 30.42 in 4.0 mi Calm Calm - N/A   Clear
8:55 AM 28.0 °F - 24.1 °F 85% 30.43 in 10.0 mi Calm Calm - N/A   Clear
9:55 AM 30.0 °F - 25.0 °F 82% 30.43 in 10.0 mi Calm Calm - N/A   Clear
10:55 AM 34.0 °F - 26.1 °F 73% 30.43 in 10.0 mi Calm Calm - N/A   Clear
11:55 AM 37.9 °F - 24.1 °F 57% 30.42 in 10.0 mi Calm Calm - N/A   Clear
12:55 PM 39.0 °F - 25.0 °F 57% 30.39 in 10.0 mi Calm Calm - N/A   Clear
1:55 PM 43.0 °F 40.3 °F 27.0 °F 53% 30.38 in 10.0 mi NNE 4.6 mph - N/A   Clear
2:55 PM 44.1 °F - 26.1 °F 49% 30.36 in 10.0 mi Calm Calm - N/A   Clear
3:55 PM 41.0 °F 39.0 °F 28.0 °F 60% 30.38 in 10.0 mi SSE 3.5 mph - N/A   Clear
4:55 PM 36.0 °F 33.3 °F 27.0 °F 70% 30.41 in 8.0 mi SE 3.5 mph - N/A   Clear
5:55 PM 35.1 °F - 28.0 °F 76% 30.43 in 10.0 mi Calm Calm - N/A   Overcast
6:55 PM 30.0 °F - 26.1 °F 85% 30.47 in 10.0 mi Calm Calm - N/A   Clear
7:55 PM 30.0 °F 25.2 °F 26.1 °F 85% 30.45 in 9.0 mi SSW 4.6 mph - N/A   Partly Cloudy
8:55 PM 28.0 °F 24.2 °F 26.1 °F 92% 30.44 in 6.0 mi East 3.5 mph - N/A   Clear
9:55 PM 26.1 °F - 24.1 °F 92% 30.45 in 4.0 mi Calm Calm - N/A   Clear
10:55 PM 28.9 °F - 27.0 °F 92% 30.45 in 4.0 mi Calm Calm - N/A   Overcast
11:32 PM 28.4 °F 24.6 °F 26.6 °F 93% 30.39 in 10.0 mi SE 3.5 mph - N/A   Overcast
11:55 PM 30.0 °F - 27.0 °F 88% 30.43 in 10.0 mi Calm Calm - N/A   Overcast