Weather History for Portage Glacier, AK

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Week of December 9, 2012 through December 15, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 36 °F 30 °F 21 °F
Mean Temperature 35 °F 26 °F 14 °F
Min Temperature 34 °F 22 °F 7 °F
Degree Days  
Heating Degree Days (base 65) 50 39 30 272
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 33 °F 25 °F 1 °F
Precipitation  
Precipitation 0.19 in 0.04 in 0.00 in 0.29 in
Snowdepth - - - -
Wind  
Wind 23 mph 9 mph 0 mph
Gust Wind 34 mph 24 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 29.90 in 29.41 in 29.02 in

Weekly Weather History Graph

Weekly Weather History Graph

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Date:

Astronomy

Dec. 09, 2012 Rise Set
Actual Time 9:53 AM AKST 3:42 PM AKST
Civil Twilight 8:54 AM AKST 4:41 PM AKST
Nautical Twilight 7:56 AM AKST 5:39 PM AKST
Astronomical Twilight 7:03 AM AKST 6:32 PM AKST
Moon 4:42 AM AKST (12/9) 1:44 PM AKST (12/9)
Length of Visible Light 7h 47m
Length of Day
5h 49m
Waning Crescent, 17% of the Moon is Illuminated
Dec 9
Waning Crescent
Dec 12
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter

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  
9 36 35 34 33 33 31 96 93 82 29.55 29.42 29.28 10 9 5 16 10 28 0.05 Rain , Snow
10 35 32 28 33 30 27 100 96 89 29.72 29.57 29.53 10 6 1 18 8 24 0.04 Rain , Snow
11 30 24 19 30 23 19 100 95 86 29.90 29.82 29.69 10 9 1 18 10 29 0.01 Snow
12 34 32 30 33 31 29 100 95 82 29.69 29.42 29.23 10 3 1 20 11 32 0.19 Snow
13 30 26 23 31 27 22 100 96 89 29.37 29.32 29.27 10 10 6 13 5 - 0.00 Snow
14 26 18 10 25 17 10 100 97 89 29.30 29.21 29.06 10 6 0 17 3 31 0.00 Fog , Snow
15 21 14 7 19 11 1 92 79 65 29.25 29.08 29.02 10 10 7 23 17 34 0.00