Weather History for Port Heiden, AK

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Month of February, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 41 °F 32 °F 17 °F
Mean Temperature 38 °F 26 °F 12 °F
Min Temperature 35 °F 20 °F 3 °F
Degree Days  
Heating Degree Days (base 65) 53 39 27 1087
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 34 °F 20 °F -15 °F
Precipitation  
Precipitation 0.83 in 0.13 in 0.00 in 3.69 in
Snowdepth - - - -
Wind  
Wind 46 mph 12 mph 0 mph
Gust Wind 55 mph 27 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.22 in 29.42 in 28.67 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Feb. 20, 2013 Rise Set
Actual Time 8:49 AM AKST 6:48 PM AKST
Civil Twilight 8:09 AM AKST 7:27 PM AKST
Nautical Twilight 7:25 AM AKST 8:11 PM AKST
Astronomical Twilight 6:41 AM AKST 8:56 PM AKST
Moon 1:42 PM AKST (2/20) 5:56 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

Weather History Calendar

Precipitation Actual month total 3.69 Average Month Total: 2.95
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Mostly Cloudy
Actual:
41 | 30 0.01
Average:
27 | 18 0.02
Mostly Cloudy
Actual:
41 | 35 0.00
Average:
28 | 18 0.02
Overcast
Actual:
39 | 33 0.00
Average:
28 | 18 0.02
Overcast
Actual:
32 | 30 0.00
Average:
28 | 18 0.02
Overcast
Actual:
32 | 19 0.00
Average:
28 | 19 0.02
Overcast
Actual:
39 | 21 0.00
Average:
29 | 19 0.01
Partly Cloudy
Actual:
39 | 21 0.00
Average:
29 | 19 0.01
Partly Cloudy
Actual:
39 | 30 0.02
Average:
29 | 19 0.01
Mostly Cloudy
Actual:
37 | 30 0.02
Average:
29 | 19 0.01
Mostly Cloudy
Actual:
33 | 15 0.08
Average:
30 | 20 0.01
Scattered Clouds
Actual:
39 | 23 0.06
Average:
30 | 20 0.01
Partly Cloudy
Actual:
37 | 28 0.08
Average:
30 | 20 0.01
Overcast
Actual:
33 | 24 0.08
Average:
30 | 21 0.01
Overcast
Actual:
30 | 15 0.01
Average:
30 | 21 2.63
Overcast
Actual:
17 | 12 0.08
Average:
30 | 21 0.01
Partly Cloudy
Actual:
35 | 10 0.04
Average:
31 | 22 0.01
Mostly Cloudy
Actual:
24 | 6 0.83
Average:
31 | 22 0.01
Partly Cloudy
Actual:
19 | 5 0.63
Average:
31 | 22 0.01
Partly Cloudy
Actual:
39 | 3 0.67
Average:
31 | 22 0.01
Mostly Cloudy
Actual:
28 | 15 0.35
Average:
31 | 22 0.01
Partly Cloudy
Actual:
30 | 15 0.71
Average:
31 | 22 0.01
Mostly Cloudy
Actual:
35 | 15 0.00
Average:
31 | 22 0.01
Partly Cloudy
Actual:
35 | 23 0.01
Average:
31 | 22 0.01
Mostly Cloudy
Actual:
35 | 19 0.01
Average:
31 | 22 0.01
Overcast
Actual:
24 | 19 0.00
Average:
31 | 21 0.01
Overcast
Actual:
24 | 19 0.00
Average:
31 | 21 0.01
Overcast
Actual:
26 | 19 0.00
Average:
31 | 21 0.01
Overcast
Actual:
28 | 24 0.00
Average:
31 | 21 0.01
 

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

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  
1 41 36 30 34 29 27 93 80 65 29.65 29.45 29.28 10 9 1 17 12 29 0.01  
2 41 38 35 32 30 28 81 70 57 29.29 29.10 28.93 10 10 10 20 13 25 0.00  
3 39 36 33 34 29 27 87 78 70 29.18 29.02 28.91 10 9 1 18 9 23 0.00  
4 32 31 30 28 28 27 93 86 73 29.46 29.36 29.19 10 3 0 10 8 - 0.00  
5 32 26 19 28 23 10 93 82 63 29.75 29.60 29.46 10 4 0 9 4 - 0.00  
6 39 30 21 28 17 10 86 69 55 29.75 29.57 29.20 10 10 2 36 8 45 0.00  
7 39 30 21 30 28 21 81 73 61 29.36 29.21 29.13 10 10 10 29 13 36 0.00  
8 39 34 30 32 28 21 81 69 55 29.46 29.36 29.05 10 10 3 28 13 38 0.02  
9 37 34 30 34 29 25 87 77 58 29.02 28.79 28.67 10 8 2 34 21 41 0.02  
10 33 24 15 27 18 9 86 73 64 29.68 29.40 29.03 10 9 5 33 19 43 0.08  
11 39 31 23 28 23 7 80 68 54 29.68 29.55 29.47 10 10 7 29 13 34 0.06  
12 37 32 28 27 25 19 86 75 52 29.70 29.61 29.52 10 10 2 17 8 24 0.08  
13 33 28 24 30 24 19 93 82 70 29.69 29.44 29.26 10 7 0 18 9 22 0.08  
14 30 22 15 28 14 5 93 75 42 29.91 29.59 29.28 10 4 0 23 14 30 0.01  
15 17 14 12 12 8 1 92 71 48 30.19 30.10 29.92 10 9 5 24 14 28 0.08  
16 35 22 10 28 17 -2 93 75 55 30.11 29.69 29.44 10 9 2 25 10 33 0.04  
17 24 15 6 19 11 0 93 72 51 30.22 30.00 29.58 10 8 2 21 14 25 0.83  
18 19 12 5 16 0 -15 93 62 31 30.20 29.87 29.60 10 9 2 25 15 32 0.63  
19 39 21 3 30 23 9 86 72 58 29.59 29.10 28.84 10 8 1 46 14 55 0.67  
20 28 22 15 21 16 10 93 74 59 29.44 29.26 29.02 10 7 1 28 16 32 0.35  
21 30 22 15 25 16 7 93 77 63 29.56 29.39 29.25 10 10 2 17 8 23 0.71  
22 35 25 15 28 25 21 87 76 60 29.67 29.41 28.86 10 8 1 29 16 38 0.00  
23 35 29 23 28 23 14 87 69 50 29.07 29.00 28.84 10 8 0 41 17 51 0.01  
24 35 27 19 27 18 10 93 77 57 29.63 29.45 29.04 10 9 1 23 11 26 0.01  
25 24 22 19 21 15 9 86 77 57 29.53 29.44 29.36 10 4 0 28 19 34 0.00  
26 24 22 19 19 16 10 86 82 57 29.51 29.29 29.12 10 4 2 18 11 - 0.00  
27 26 22 19 23 18 14 93 82 70 29.25 29.15 29.11 10 6 0 12 8 - 0.00  
28 28 26 24 25 20 18 86 78 63 29.71 29.44 29.25 10 7 0 17 9 - 0.00