Weather History for Petersburg, AK

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Week of April 28, 2013 through May 4, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 53 °F 45 °F 41 °F
Mean Temperature 48 °F 41 °F 34 °F
Min Temperature 46 °F 36 °F 26 °F
Degree Days  
Heating Degree Days (base 65) 31 24 16 169
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 48 °F 35 °F 14 °F
Precipitation  
Precipitation 0.93 in 0.26 in 0.02 in 1.81 in
Snowdepth - - - -
Wind  
Wind 13 mph 3 mph 0 mph
Gust Wind 22 mph 17 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.59 in 30.21 in 29.62 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

May. 01, 2013 Rise Set
Actual Time 5:03 AM AKDT 8:35 PM AKDT
Civil Twilight 4:17 AM AKDT 9:22 PM AKDT
Nautical Twilight 3:12 AM AKDT 10:27 PM AKDT
Astronomical Twilight 12:54 AM AKDT 12:16 AM AKDT
Moon 1:51 AM AKDT (5/1) 10:52 AM AKDT (5/1)
Length of Visible Light 17h 04m
Length of Day
15h 32m
Waning Gibbous, 57% of the Moon is Illuminated
May 1
Waning Gibbous
May 2
Last Quarter
May 9
New
May 17
First Quarter
May 24
Full

Daily Weather History & Observations

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Apr high avg low high avg low high avg low high avg low high avg low high avg high sum  
28 41 37 33 36 31 27 93 84 70 29.81 29.68 29.62 10 7 2 12 3 16 0.65  
29 41 36 30 28 23 14 86 61 36 30.27 30.08 29.82 10 9 3 13 8 20 0.04  
30 42 34 26 34 26 21 93 73 49 30.34 30.32 30.28 10 9 5 13 4 16 0.02  
2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
May high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 42 38 35 37 35 32 93 85 76 30.25 30.14 30.07 10 5 2 13 4 22 0.93  
2 48 44 41 45 41 37 93 89 81 30.51 30.33 30.16 10 8 3 8 2 - 0.10  
3 53 48 42 45 42 39 93 81 62 30.59 30.51 30.41 10 10 7 7 1 - 0.04 Fog , Rain
4 51 48 46 48 45 43 94 88 82 30.41 30.38 30.31 10 7 3 7 2 - 0.03