Weather History for Port Heiden, AK

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Month of September, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 64 °F 51 °F 37 °F
Mean Temperature 56 °F 45 °F 34 °F
Min Temperature 48 °F 39 °F 30 °F
Degree Days  
Heating Degree Days (base 65) 32 20 9 599
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 6 0 0 14
Dew Point  
Dew Point 54 °F 39 °F 21 °F
Precipitation  
Precipitation 0.00 in 0.00 in 0.00 in 0.00 in
Snowdepth - - - -
Wind  
Wind 46 mph 14 mph 0 mph
Gust Wind 58 mph 25 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.21 in 29.60 in 28.80 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 26, 2012 Rise Set
Actual Time 8:29 AM AKDT 8:20 PM AKDT
Civil Twilight 7:51 AM AKDT 8:58 PM AKDT
Nautical Twilight 7:06 AM AKDT 9:43 PM AKDT
Astronomical Twilight 6:18 AM AKDT 10:30 PM AKDT
Moon 6:51 PM AKDT (9/26) 4:35 AM AKDT (9/26)
Length of Visible Light 13h 07m
Length of Day
11h 51m
Waxing Gibbous, 89% of the Moon is Illuminated
Sep 26
Waxing Gibbous
Sep 29
Full
Oct 7
Last Quarter
Oct 15
New
Oct 21
First Quarter

Weather History Calendar

Precipitation Actual month total 0.00 Average Month Total: 2.74
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
57 | 35 0.00
Average:
53 | 44 0.08
Mostly Cloudy
Actual:
64 | 48 0.00
Average:
53 | 44 0.09
Partly Cloudy
Actual:
55 | 41 0.00
Average:
53 | 44 0.09
Partly Cloudy
Actual:
64 | 48 0.00
Average:
53 | 43 0.09
Mostly Cloudy
Actual:
51 | 44 0.00
Average:
52 | 43 0.09
Partly Cloudy
Actual:
53 | 37 0.00
Average:
52 | 43 0.09
Mostly Cloudy
Actual:
48 | 39 0.00
Average:
52 | 43 0.08
Mostly Cloudy
Actual:
50 | 42 0.00
Average:
52 | 42 0.08
Partly Cloudy
Actual:
51 | 37 0.00
Average:
52 | 42 0.08
Partly Cloudy
Actual:
53 | 33 0.00
Average:
52 | 42 0.08
Overcast
Actual:
51 | 46 0.00
Average:
52 | 41 0.08
Overcast
Actual:
51 | 44 0.00
Average:
51 | 41 0.08
Mostly Cloudy
Actual:
48 | 44 0.00
Average:
51 | 41 0.08
Overcast
Actual:
51 | 46 0.00
Average:
51 | 40 0.07
Partly Cloudy
Actual:
57 | 46 0.00
Average:
51 | 40 0.07
Partly Cloudy
Actual:
50 | 42 0.00
Average:
51 | 40 0.07
Partly Cloudy
Actual:
57 | 33 0.00
Average:
50 | 40 0.07
Partly Cloudy
Actual:
55 | 44 0.00
Average:
50 | 39 0.07
Overcast
Actual:
50 | 42 0.00
Average:
50 | 39 0.07
Overcast
Actual:
46 | 39 0.00
Average:
49 | 39 0.06
Overcast
Actual:
50 | 35 0.00
Average:
49 | 39 0.06
Mostly Cloudy
Actual:
50 | 41 0.00
Average:
49 | 39 0.06
Partly Cloudy
Actual:
46 | 32 0.00
Average:
49 | 39 0.06
Partly Cloudy
Actual:
46 | 30 0.00
Average:
48 | 39 0.57
Partly Cloudy
Actual:
53 | 39 0.00
Average:
48 | 39 0.07
Partly Cloudy
Actual:
50 | 35 0.00
Average:
48 | 39 0.07
Mostly Cloudy
Actual:
50 | 37 0.00
Average:
48 | 38 0.07
Mostly Cloudy
Actual:
42 | 33 0.00
Average:
47 | 38 0.07
Partly Cloudy
Actual:
37 | 30 0.00
Average:
47 | 38 0.07
Mostly Cloudy
Actual:
44 | 33 0.00
Average:
47 | 38 0.07
 

Calendar Legend

Sunny
Clear
Mostly Cloudy
Partly Sunny
Partly Cloudy
Mostly Sunny
Cloudy Rain Snow
Hail
Flurries
Thunderstorms Hazy
Fog
Sleet '?' denotes
'chance of'
Unknown

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  
1 57 46 35 46 42 34 93 77 48 29.77 29.67 29.54 10 10 10 18 10 24 0.00  
2 64 56 48 54 49 43 88 76 59 29.53 29.31 29.19 10 10 7 37 22 46 0.00  
3 55 48 41 43 40 37 87 72 56 29.84 29.62 29.34 10 10 4 38 29 47 0.00  
4 64 56 48 48 42 37 82 62 27 29.77 29.41 29.28 10 10 10 46 25 56 0.00  
5 51 48 44 45 42 39 93 79 62 30.11 29.75 29.35 10 9 3 32 22 43 0.00  
6 53 45 37 43 37 30 93 72 44 30.21 30.16 30.08 10 10 9 20 12 29 0.00  
7 48 44 39 43 38 32 93 80 54 30.08 29.98 29.90 10 10 3 18 9 24 0.00  
8 50 46 42 43 40 36 93 78 57 30.12 30.01 29.91 10 10 5 21 12 25 0.00  
9 51 44 37 43 40 34 93 79 51 30.13 30.07 29.97 10 10 10 14 10 18 0.00  
10 53 43 33 50 41 30 94 83 68 29.97 29.80 29.69 10 10 5 13 5 18 0.00  
11 51 48 46 48 46 45 93 85 76 29.68 29.61 29.56 10 10 3 20 12 23 0.00  
12 51 48 44 46 44 41 93 89 76 29.95 29.78 29.64 10 8 0 20 14 24 0.00  
13 48 46 44 45 40 37 93 77 57 30.00 29.93 29.77 10 10 5 22 14 25 0.00  
14 51 48 46 46 43 37 93 80 68 29.76 29.64 29.58 10 10 9 17 12 20 0.00  
15 57 52 46 48 45 39 93 81 68 29.61 29.30 28.99 10 10 10 30 13 37 0.00  
16 50 46 42 43 38 34 87 76 58 29.71 29.20 28.80 10 9 2 45 27 58 0.00  
17 57 45 33 46 39 28 87 79 67 29.78 29.61 29.39 10 10 10 37 16 44 0.00  
18 55 50 44 46 43 39 93 77 63 29.56 29.50 29.43 10 10 10 23 12 30 0.00  
19 50 46 42 46 42 36 100 88 74 29.70 29.48 29.33 10 8 3 18 8 22 0.00  
20 46 42 39 41 37 34 87 78 62 29.72 29.66 29.63 10 10 10 16 6 20 0.00  
21 50 42 35 46 40 32 93 85 71 29.73 29.54 29.18 10 10 4 22 8 25 0.00  
22 50 46 41 48 44 39 100 91 81 29.47 29.21 29.09 10 5 0 24 8 32 0.00  
23 46 39 32 39 34 28 87 74 51 29.95 29.79 29.48 10 10 6 29 19 37 0.00  
24 46 38 30 39 34 27 93 75 51 29.91 29.62 29.19 10 10 10 22 10 26 0.00  
25 53 46 39 45 40 34 93 74 38 29.17 29.04 28.96 10 10 6 23 15 32 0.00  
26 50 42 35 41 37 30 93 78 62 28.96 28.89 28.83 10 10 10 28 13 38 0.00  
27 50 44 37 39 35 27 81 72 55 29.41 29.15 28.89 10 10 8 29 22 38 0.00  
28 42 38 33 32 26 21 93 62 44 29.63 29.57 29.42 10 9 2 26 21 36 0.00  
29 37 34 30 32 29 25 93 77 60 29.97 29.77 29.58 10 9 2 22 11 24 0.00  
30 44 38 33 34 31 27 93 75 53 30.09 30.05 29.98 10 10 7 16 9 17 0.00