Weather History for Iliamna, AK

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Month of September, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 64 °F 53 °F 39 °F
Mean Temperature 55 °F 47 °F 36 °F
Min Temperature 53 °F 41 °F 27 °F
Degree Days  
Heating Degree Days (base 65) 29 18 10 539
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 5 1 0 32
Dew Point  
Dew Point 54 °F 38 °F 18 °F
Precipitation  
Precipitation 0.39 in 0.08 in 0.00 in 2.26 in
Snowdepth - - - -
Wind  
Wind 34 mph 11 mph 0 mph
Gust Wind 48 mph 26 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 29.99 in 29.60 in 28.86 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 17, 2013 Rise Set
Actual Time 7:53 AM AKDT 8:32 PM AKDT
Civil Twilight 7:11 AM AKDT 9:14 PM AKDT
Nautical Twilight 6:20 AM AKDT 10:05 PM AKDT
Astronomical Twilight 5:24 AM AKDT 11:01 PM AKDT
Moon 7:34 PM AKDT (9/17) 5:42 AM AKDT (9/17)
Length of Visible Light 14h 02m
Length of Day
12h 39m
Waxing Gibbous, 96% of the Moon is Illuminated
Sep 17
Waxing Gibbous
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter

Weather History Calendar

Precipitation Actual month total 2.26 Average Month Total: 4.15
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Rain
Actual:
57 | 50 0.08
Average:
59 | 45 0.08
Rain
Actual:
57 | 53 0.31
Average:
57 | 44 0.06
Rain
Actual:
57 | 50 0.39
Average:
57 | 43 0.07
Rain
Actual:
54 | 46 0.16
Average:
58 | 43 0.07
Rain
Actual:
57 | 48 0.01
Average:
57 | 43 0.19
Rain
Actual:
57 | 48 0.12
Average:
56 | 43 0.18
Rain
Actual:
53 | 45 0.02
Average:
57 | 44 0.21
Rain
Actual:
57 | 48 0.01
Average:
56 | 43 0.17
Rain
Actual:
55 | 48 0.20
Average:
56 | 43 0.11
Rain
Actual:
57 | 51 0.03
Average:
56 | 43 0.23
Rain
Actual:
57 | 45 0.02
Average:
55 | 43 0.05
Rain
Actual:
53 | 48 0.28
Average:
56 | 43 0.18
Rain
Actual:
61 | 46 0.01
Average:
56 | 44 0.21
Fog
Actual:
64 | 44 0.00
Average:
54 | 44 0.22
Clear
Actual:
60 | 39 0.00
Average:
55 | 44 0.16
Scattered Clouds
Actual:
57 | 41 0.00
Average:
55 | 42 0.13
Partly Cloudy
Actual:
52 | 33 0.00
Average:
53 | 41 0.18
Clear
Actual:
51 | 35 0.00
Average:
52 | 42 0.17
Snow
Actual:
46 | 32 0.00
Average:
53 | 40 0.14
Snow
Actual:
46 | 27 0.00
Average:
51 | 41 0.28
Scattered Clouds
Actual:
51 | 35 0.00
Average:
52 | 39 0.20
Snow
Actual:
46 | 32 0.00
Average:
52 | 39 0.06
Clear
Actual:
48 | 32 0.00
Average:
50 | 38 0.10
Rain
Actual:
48 | 30 0.24
Average:
52 | 38 0.04
Rain
Actual:
50 | 35 0.28
Average:
50 | 38 0.08
Rain
Actual:
52 | 39 0.02
Average:
50 | 38 0.13
Rain
Actual:
57 | 43 0.08
Average:
50 | 39 0.06
Partly Cloudy
Actual:
48 | 39 0.00
Average:
50 | 38 0.14
Mostly Cloudy
Actual:
41 | 36 0.00
Average:
49 | 37 0.13
Partly Cloudy
Actual:
39 | 33 0.00
Average:
49 | 37 0.12
 

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
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 57 54 50 54 52 51 100 94 81 29.88 29.78 29.61 10 6 1 22 8 32 0.08 Rain
2 57 55 53 52 50 48 90 81 70 29.59 29.47 29.36 10 9 5 33 21 44 0.31 Rain
3 57 52 50 52 50 47 100 87 72 29.36 29.29 29.24 10 9 2 20 12 34 0.39 Rain
4 54 50 46 49 46 42 100 85 66 29.75 29.54 29.37 10 9 2 22 6 31 0.16 Rain
5 57 52 48 48 46 42 90 77 60 29.94 29.88 29.77 10 10 10 20 7 25 0.01 Rain
6 57 52 48 49 46 41 94 80 53 29.93 29.55 29.36 10 9 5 20 10 25 0.12 Rain
7 53 49 45 49 47 44 100 91 77 29.68 29.63 29.51 10 9 2 7 3 - 0.02 Rain
8 57 52 48 48 46 42 100 85 49 29.71 29.66 29.60 10 10 5 25 7 38 0.01 Rain
9 55 52 48 52 48 44 97 81 63 29.64 29.54 29.49 10 10 7 26 18 37 0.20 Rain
10 57 54 51 53 51 50 100 91 74 29.73 29.67 29.60 10 10 7 14 6 21 0.03 Rain
11 57 51 45 50 48 44 100 91 69 29.85 29.78 29.72 10 8 1 16 10 21 0.02 Rain
12 53 50 48 48 46 43 93 80 63 29.85 29.81 29.75 10 10 7 22 16 37 0.28 Rain
13 61 54 46 49 46 44 97 76 52 29.96 29.84 29.74 10 10 10 16 10 24 0.01 Rain
14 64 54 44 47 44 41 96 71 37 29.99 29.96 29.93 10 10 10 15 7 28 0.00 Fog
15 60 50 39 41 39 35 89 64 36 29.99 29.95 29.86 10 10 10 16 9 22 0.00  
16 57 49 41 34 33 32 73 58 33 29.86 29.75 29.61 10 10 10 18 9 25 0.00  
17 52 42 33 37 32 28 85 63 46 29.64 29.56 29.50 10 10 10 7 5 - 0.00  
18 51 43 35 29 27 25 68 53 24 29.76 29.73 29.65 10 10 10 15 9 26 0.00  
19 46 39 32 28 23 21 73 53 35 29.72 29.67 29.63 10 10 9 18 10 30 0.00 Snow
20 46 36 27 28 23 20 69 56 34 29.62 29.37 28.98 10 10 9 14 8 - 0.00 Snow
21 51 43 35 28 24 19 70 50 21 29.16 29.05 28.95 10 10 10 21 8 39 0.00  
22 46 39 32 28 21 18 73 50 27 29.55 29.39 29.18 10 10 9 34 18 45 0.00 Snow
23 48 41 32 31 26 23 79 59 29 29.87 29.73 29.56 10 10 10 21 14 30 0.00  
24 48 39 30 41 31 23 87 69 29 29.90 29.77 29.62 10 9 5 32 12 48 0.24 Rain
25 50 42 35 44 41 32 100 83 52 29.59 29.47 29.40 10 9 5 30 15 43 0.28 Rain
26 52 46 39 45 42 32 100 86 46 29.67 29.49 29.01 10 10 6 25 7 33 0.02 Rain
27 57 50 43 43 40 38 93 71 43 29.27 29.02 28.86 10 10 10 26 16 38 0.08 Rain
28 48 44 39 39 32 24 76 63 42 29.46 29.33 29.28 10 10 10 25 14 41 0.00  
29 41 38 36 26 25 23 67 59 47 29.68 29.58 29.47 10 10 10 28 21 46 0.00  
30 39 36 33 23 22 21 61 56 42 29.86 29.80 29.69 10 10 10 23 20 39 0.00