Weather History for Petersburg, AK

Change the Weather History Date:

Week of September 30, 2012 through October 6, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 57 °F 50 °F 46 °F
Mean Temperature 50 °F 45 °F 39 °F
Min Temperature 44 °F 40 °F 32 °F
Degree Days  
Heating Degree Days (base 65) 26 20 14 138
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 50 °F 40 °F 28 °F
Precipitation  
Precipitation 0.00 in 0.00 in 0.00 in 0.00 in
Snowdepth - - - -
Wind  
Wind 16 mph 2 mph 0 mph
Gust Wind 23 mph 19 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.62 in 30.36 in 29.71 in

Weekly Weather History Graph

Weekly Weather History Graph

Search for Another Location

Airport:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Oct. 04, 2012 Rise Set
Actual Time 7:02 AM AKDT 6:16 PM AKDT
Civil Twilight 6:25 AM AKDT 6:54 PM AKDT
Nautical Twilight 5:40 AM AKDT 7:38 PM AKDT
Astronomical Twilight 4:55 AM AKDT 8:23 PM AKDT
Moon 8:01 PM AKDT (10/4) 12:22 PM AKDT (10/4)
Length of Visible Light 12h 29m
Length of Day
11h 13m
Waning Gibbous, 81% of the Moon is Illuminated
Oct 4
Waning Gibbous
Oct 7
Last Quarter
Oct 15
New
Oct 21
First Quarter
Oct 29
Full

Daily Weather History & Observations

2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
30 53 48 42 48 42 39 100 88 71 30.18 30.07 29.80 10 10 7 6 2 - 0.00  
2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Oct high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 50 44 39 43 37 30 93 73 50 30.44 30.04 29.71 10 10 8 16 6 23 0.00  
2 46 39 32 37 35 28 100 81 62 30.62 30.57 30.45 10 10 10 7 2 - 0.00  
3 48 44 39 39 38 36 93 83 62 30.54 30.51 30.48 10 10 10 6 1 - 0.00  
4 51 46 41 43 40 36 93 80 62 30.52 30.50 30.48 10 10 10 6 0 - 0.00  
5 48 46 44 46 45 41 93 92 87 30.51 30.47 30.41 10 9 0 7 3 - 0.00  
6 57 50 44 50 46 43 100 94 72 30.41 30.39 30.33 10 2 0 6 3 - 0.00 Fog