Weather History for Alturas, CA

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Wednesday, February 20, 2013

  Actual Average Record
Temperature  
Mean Temperature 26 °F 35 °F  
Max Temperature 37 °F 47 °F 70 °F (1977)
Min Temperature 15 °F 23 °F -1 °F (1933)
Degree Days  
Heating Degree Days 39 30  
Month to date heating degree days 639 635  
Since 1 July heating degree days 4322 4633  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 19 °F    
Average Humidity 72    
Maximum Humidity 92    
Minimum Humidity 52    
Precipitation  
Precipitation 0.00 in 0.06 in 0.86 in (1986)
Month to date precipitation 0.18 1.01  
Year to date precipitation 0.66 2.66  
Sea Level Pressure  
Sea Level Pressure 29.99 in    
Wind  
Wind Speed 4 mph (NNW)    
Max Wind Speed 10 mph    
Max Gust Speed 16 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. 20, 2013 Rise Set
Actual Time 6:49 AM PST 5:42 PM PST
Civil Twilight 6:21 AM PST 6:10 PM PST
Nautical Twilight 5:49 AM PST 6:42 PM PST
Astronomical Twilight 5:17 AM PST 7:15 PM PST
Moon 1:06 PM PST (2/20) 3:16 AM PST (2/20)
Length of Visible Light 11h 48m
Length of Day
10h 52m
Waxing Gibbous, 77% of the Moon is Illuminated
Feb 20
Waxing Gibbous
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New
Mar 19
First 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 25.0 °F 14.8 °F 21.0 °F 85% 29.86 in 10.0 mi North 10.4 mph - N/A   Clear
1:55 AM 23.0 °F - 19.9 °F 88% 29.88 in 10.0 mi Calm Calm - N/A   Clear
2:55 AM 21.9 °F 17.2 °F 19.0 °F 89% 29.91 in 10.0 mi NNE 3.5 mph - N/A   Clear
3:55 AM 21.9 °F 13.4 °F 17.1 °F 82% 29.92 in 10.0 mi North 6.9 mph - N/A   Clear
4:55 AM 17.1 °F 11.7 °F 14.0 °F 88% 29.95 in 10.0 mi West 3.5 mph - N/A   Clear
5:55 AM 19.9 °F - 16.0 °F 85% 29.98 in 10.0 mi Calm Calm - N/A   Clear
7:55 AM 21.0 °F 16.2 °F 17.1 °F 85% 30.03 in 10.0 mi North 3.5 mph - N/A   Clear
8:55 AM 24.1 °F 15.2 °F 19.9 °F 84% 30.04 in 10.0 mi West 8.1 mph - N/A   Clear
9:55 AM 28.0 °F 24.2 °F 21.9 °F 78% 30.03 in 10.0 mi WSW 3.5 mph - N/A   Clear
10:55 AM 34.0 °F 26.0 °F 21.0 °F 59% 30.02 in 10.0 mi North 10.4 mph 16.1 mph N/A   Partly Cloudy
11:55 AM 35.1 °F 31.0 °F 19.0 °F 52% 30.02 in 10.0 mi Variable 4.6 mph - N/A   Clear
12:55 PM 35.1 °F 30.1 °F 19.9 °F 54% 30.00 in 10.0 mi NNW 5.8 mph - N/A   Mostly Cloudy
1:55 PM 36.0 °F 29.6 °F 19.0 °F 50% 29.99 in 10.0 mi NNW 8.1 mph - N/A   Clear
2:55 PM 36.0 °F 29.0 °F 19.9 °F 52% 30.01 in 10.0 mi NW 9.2 mph - N/A   Partly Cloudy
3:55 PM 36.0 °F 33.3 °F 19.0 °F 50% 30.00 in 10.0 mi North 3.5 mph - N/A   Partly Cloudy
4:55 PM 34.0 °F 28.8 °F 19.9 °F 56% 30.01 in 10.0 mi NW 5.8 mph - N/A   Scattered Clouds
5:55 PM 30.9 °F 27.5 °F 19.9 °F 64% 30.02 in 10.0 mi NNW 3.5 mph - N/A   Mostly Cloudy
7:55 PM 26.1 °F - 21.9 °F 84% 30.04 in 10.0 mi Calm Calm - N/A   Partly Cloudy
9:55 PM 26.1 °F - 21.9 °F 84% 30.03 in 10.0 mi Calm Calm - N/A   Overcast
11:55 PM 26.1 °F - 21.9 °F 84% 30.01 in 10.0 mi Calm Calm - N/A   Mostly Cloudy