Weather History for Petersburg, AK

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Week of December 25, 2011 through December 31, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 39 °F 35 °F 28 °F
Mean Temperature 36 °F 31 °F 24 °F
Min Temperature 33 °F 28 °F 19 °F
Degree Days  
Heating Degree Days (base 65) 42 34 29 235
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 36 °F 27 °F 16 °F
Precipitation  
Precipitation 0.00 in 0.00 in 0.00 in 0.00 in
Snowdepth - - - -
Wind  
Wind 20 mph 6 mph 0 mph
Gust Wind 33 mph 19 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.14 in 29.50 in 28.81 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Dec. 28, 2011 Rise Set
Actual Time 8:29 AM AKST 3:17 PM AKST
Civil Twilight 7:40 AM AKST 4:06 PM AKST
Nautical Twilight 6:49 AM AKST 4:57 PM AKST
Astronomical Twilight 6:03 AM AKST 5:43 PM AKST
Moon 10:04 AM AKST 9:01 PM AKST
Length of Visible Light 8h 26m
Length of Day
6h 48m
Waxing Crescent, 19% of the Moon is Illuminated
Dec 28
Waxing Crescent
Dec 31
First Quarter
Jan 8
Full
Jan 16
Last Quarter
Jan 22
New

Daily Weather History & Observations

2011 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
25 37 34 32 36 32 28 100 91 81 29.80 29.58 29.45 10 8 3 10 4 16 0.00  
26 39 36 33 34 31 25 87 81 65 29.78 29.33 29.07 10 4 2 20 11 33 0.00  
27 35 32 28 28 26 25 93 77 65 29.70 29.59 29.34 10 8 0 14 6 22 0.00  
28 37 35 33 34 30 25 93 82 65 28.99 28.89 28.81 10 7 2 15 6 23 0.00  
29 35 30 26 30 26 23 100 83 65 29.66 29.56 29.28 10 9 0 15 8 25 0.00  
30 28 24 19 27 22 16 100 88 74 29.78 29.48 29.32 10 9 2 8 4 - 0.00  
31 33 28 24 28 24 18 100 81 52 30.14 30.06 29.93 10 8 1 13 2 22 0.00