Weather History for Petersburg, AK

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Week of December 23, 2012 through December 29, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 35 °F 27 °F 17 °F
Mean Temperature 32 °F 22 °F 12 °F
Min Temperature 30 °F 17 °F 8 °F
Degree Days  
Heating Degree Days (base 65) 52 43 32 301
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 34 °F 18 °F 1 °F
Precipitation  
Precipitation 0.19 in 0.04 in 0.00 in 0.25 in
Snowdepth - - - -
Wind  
Wind 13 mph 3 mph 0 mph
Gust Wind - - -
Sea Level Pressure  
Sea Level Pressure 30.18 in 29.91 in 29.73 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Dec. 28, 2012 Rise Set
Actual Time 8:29 AM AKST 3:18 PM AKST
Civil Twilight 7:40 AM AKST 4:07 PM AKST
Nautical Twilight 6:49 AM AKST 4:57 PM AKST
Astronomical Twilight 6:03 AM AKST 5:44 PM AKST
Moon 4:16 PM AKST (12/28) 8:15 AM AKST (12/28)
Length of Visible Light 8h 27m
Length of Day
6h 49m
Full, 100% of the Moon is Illuminated
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

Daily Weather History & Observations

2012 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  
23 21 16 12 16 12 9 93 83 63 29.89 29.80 29.73 10 10 10 6 1 - 0.00  
24 24 18 12 16 11 7 86 71 50 30.08 30.02 29.93 10 10 10 7 3 - 0.00  
25 26 20 14 16 13 10 86 64 51 29.93 29.83 29.77 10 10 10 9 4 - 0.00  
26 17 12 8 14 10 1 100 84 67 29.94 29.89 29.80 10 10 10 6 3 - 0.00  
27 33 24 14 30 23 12 93 86 69 29.93 29.80 29.75 10 6 1 13 5 - 0.06  
28 32 29 26 30 27 25 100 92 86 30.11 29.92 29.81 10 6 1 8 4 - 0.19  
29 35 32 30 34 30 28 100 90 81 30.18 30.14 30.05 10 8 1 8 1 - 0.00