Weather History for Petersburg, AK

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Week of February 17, 2013 through February 23, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 42 °F 39 °F 35 °F
Mean Temperature 38 °F 35 °F 32 °F
Min Temperature 33 °F 32 °F 30 °F
Degree Days  
Heating Degree Days (base 65) 32 30 28 207
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 36 °F 32 °F 23 °F
Precipitation  
Precipitation 0.61 in 0.26 in 0.07 in 1.79 in
Snowdepth - - - -
Wind  
Wind 14 mph 3 mph 0 mph
Gust Wind 23 mph 19 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.19 in 29.64 in 28.92 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Feb. 20, 2013 Rise Set
Actual Time 7:06 AM AKST 5:05 PM AKST
Civil Twilight 6:27 AM AKST 5:44 PM AKST
Nautical Twilight 5:43 AM AKST 6:29 PM AKST
Astronomical Twilight 4:59 AM AKST 7:13 PM AKST
Moon 11:56 AM AKST (2/20) 4:09 AM AKST (2/20)
Length of Visible Light 11h 17m
Length of Day
9h 59m
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

Daily Weather History & Observations

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Feb high avg low high avg low high avg low high avg low high avg low high avg high sum  
17 35 32 30 30 30 27 100 86 81 30.19 29.97 29.76 10 4 0 14 4 20 0.19  
18 42 38 33 36 32 30 100 86 70 29.86 29.76 29.72 10 10 8 6 2 - 0.07  
19 42 38 33 34 32 30 93 86 65 29.93 29.84 29.67 10 9 4 8 1 - 0.12  
20 39 36 33 34 32 30 93 85 70 29.66 29.52 29.37 10 7 2 12 3 23 0.61 Rain , Snow
21 39 36 33 36 32 23 93 86 65 29.47 29.40 29.15 10 9 5 9 3 - 0.27 Rain , Snow
22 39 36 33 36 33 30 93 88 75 29.66 29.19 28.92 10 9 5 10 4 22 0.19  
23 35 32 30 30 30 27 93 86 70 29.87 29.79 29.67 10 6 1 10 3 - 0.34