Weather History for Petersburg, AK

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Month of May, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 69 °F 55 °F 42 °F
Mean Temperature 56 °F 48 °F 38 °F
Min Temperature 48 °F 42 °F 35 °F
Degree Days  
Heating Degree Days (base 65) 26 16 8 510
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 6 1 0 30
Dew Point  
Dew Point 48 °F 41 °F 27 °F
Precipitation  
Precipitation 0.93 in 0.14 in 0.00 in 4.24 in
Snowdepth - - - -
Wind  
Wind 16 mph 3 mph 0 mph
Gust Wind 26 mph 18 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.59 in 30.04 in 29.54 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

May. 27, 2013 Rise Set
Actual Time 4:13 AM AKDT 9:25 PM AKDT
Civil Twilight 3:15 AM AKDT 10:24 PM AKDT
Nautical Twilight 1:21 AM AKDT 12:16 AM AKDT
Astronomical Twilight Sun does not rise Sun does not rise
Moon 11:50 PM AKDT (5/27) 7:10 AM AKDT (5/27)
Length of Visible Light 19h 09m
Length of Day
17h 11m
Waning Gibbous, 90% of the Moon is Illuminated
May 27
Waning Gibbous
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
Jun 23
Full

Weather History Calendar

Precipitation Actual month total 4.24 Average Month Total: 12.35
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Overcast
Actual:
42 | 35 0.93
Average:
48 | 34 0.39
Overcast
Actual:
48 | 41 0.10
Average:
48 | 34 0.39
Rain
Actual:
53 | 42 0.04
Average:
49 | 34 0.38
Overcast
Actual:
51 | 46 0.03
Average:
49 | 35 0.37
Partly Cloudy
Actual:
60 | 44 0.00
Average:
49 | 35 0.36
Partly Cloudy
Actual:
53 | 39 0.00
Average:
49 | 35 0.84
Clear
Actual:
51 | 37 0.00
Average:
49 | 35 0.34
Clear
Actual:
57 | 35 0.00
Average:
50 | 36 0.33
Clear
Actual:
57 | 35 0.00
Average:
50 | 36 0.32
Scattered Clouds
Actual:
62 | 37 0.00
Average:
50 | 36 0.31
Mostly Cloudy
Actual:
53 | 46 0.34
Average:
50 | 37 0.31
Overcast
Actual:
53 | 46 0.27
Average:
51 | 37 0.31
Overcast
Actual:
50 | 46 0.70
Average:
51 | 37 0.30
Overcast
Actual:
48 | 44 0.41
Average:
51 | 38 0.30
Mostly Cloudy
Actual:
51 | 42 0.06
Average:
52 | 38 0.30
Mostly Cloudy
Actual:
53 | 42 0.31
Average:
52 | 38 0.30
Fog
Actual:
53 | 46 0.16
Average:
52 | 39 1.78
Rain
Actual:
50 | 39 0.43
Average:
52 | 39 0.30
Partly Cloudy
Actual:
42 | 35 0.23
Average:
52 | 39 0.29
Partly Cloudy
Actual:
53 | 35 0.00
Average:
53 | 40 0.29
Clear
Actual:
64 | 42 0.00
Average:
53 | 40 0.29
Clear
Actual:
64 | 42 0.00
Average:
53 | 40 0.68
Clear
Actual:
57 | 41 0.00
Average:
53 | 40 0.67
Partly Cloudy
Actual:
60 | 46 0.00
Average:
53 | 41 0.29
Partly Cloudy
Actual:
62 | 48 0.00
Average:
53 | 41 0.28
Mostly Cloudy
Actual:
60 | 46 0.00
Average:
53 | 41 0.28
Partly Cloudy
Actual:
64 | 46 0.00
Average:
53 | 41 0.28
Scattered Clouds
Actual:
69 | 44 0.00
Average:
54 | 42 0.27
Mostly Cloudy
Actual:
55 | 46 0.00
Average:
54 | 42 0.27
Rain
Actual:
57 | 44 0.06
Average:
54 | 42 0.27
Rain
Actual:
51 | 48 0.17
Average:
54 | 43 0.26
 

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
May high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 42 38 35 37 35 32 93 85 76 30.25 30.14 30.07 10 5 2 13 4 22 0.93  
2 48 44 41 45 41 37 93 89 81 30.51 30.33 30.16 10 8 3 8 2 - 0.10  
3 53 48 42 45 42 39 93 81 62 30.59 30.51 30.41 10 10 7 7 1 - 0.04 Fog , Rain
4 51 48 46 48 45 43 94 88 82 30.41 30.38 30.31 10 7 3 7 2 - 0.03  
5 60 52 44 48 43 39 93 82 63 30.31 30.16 30.01 10 10 7 9 3 - 0.00  
6 53 46 39 46 38 36 87 72 54 30.20 30.12 30.01 10 10 10 10 4 - 0.00  
7 51 44 37 37 36 34 87 69 58 30.21 30.15 30.10 10 10 10 9 5 - 0.00  
8 57 46 35 39 36 30 93 67 41 30.18 30.13 30.10 10 10 10 8 4 - 0.00  
9 57 46 35 41 37 32 87 67 48 30.27 30.23 30.19 10 10 10 7 2 - 0.00  
10 62 50 37 43 38 34 87 63 39 30.22 30.13 30.03 10 10 10 8 2 - 0.00  
11 53 50 46 48 45 37 93 82 66 30.03 29.84 29.68 10 8 3 8 4 - 0.34  
12 53 50 46 48 46 43 93 88 77 29.68 29.64 29.60 10 8 0 7 1 - 0.27  
13 50 48 46 45 44 39 93 84 71 29.77 29.70 29.64 10 9 3 16 4 26 0.70  
14 48 46 44 45 43 37 93 86 71 29.94 29.89 29.78 10 10 5 14 5 23 0.41  
15 51 46 42 46 43 39 93 86 71 30.02 29.96 29.92 10 10 9 6 1 - 0.06  
16 53 48 42 48 45 39 93 87 71 30.02 29.98 29.91 10 9 3 7 1 - 0.31  
17 53 50 46 48 45 39 93 79 71 29.90 29.80 29.77 10 9 2 9 4 16 0.16 Fog
18 50 44 39 46 40 28 93 78 53 30.32 29.99 29.78 10 8 5 13 4 22 0.43 Rain
19 42 38 35 36 34 30 93 81 61 30.52 30.46 30.32 10 10 5 13 5 18 0.23  
20 53 44 35 36 32 27 93 63 35 30.49 30.35 30.23 10 10 10 10 4 - 0.00  
21 64 53 42 30 29 27 61 38 24 30.19 30.08 30.00 10 10 10 15 8 20 0.00  
22 64 53 42 37 33 30 71 48 30 30.05 30.02 30.00 10 10 10 12 6 - 0.00  
23 57 49 41 39 36 34 76 58 44 30.03 29.97 29.92 10 10 10 9 4 - 0.00  
24 60 53 46 45 41 37 76 63 45 30.03 29.96 29.92 10 10 10 7 2 - 0.00  
25 62 55 48 46 45 43 93 72 55 30.06 30.03 29.99 10 10 10 9 2 - 0.00  
26 60 53 46 46 45 43 87 75 55 30.01 29.95 29.89 10 10 10 6 1 - 0.00  
27 64 55 46 46 45 43 93 70 52 29.90 29.77 29.65 10 10 10 8 3 - 0.00  
28 69 56 44 46 44 39 93 63 37 29.66 29.61 29.54 10 10 10 8 3 - 0.00  
29 55 50 46 48 46 43 93 75 67 29.89 29.76 29.58 10 10 10 7 2 - 0.00  
30 57 50 44 48 45 39 93 82 72 30.03 29.96 29.89 10 9 2 8 3 - 0.06 Fog , Rain
31 51 50 48 48 46 43 94 85 71 30.28 30.22 30.09 10 8 2 9 2 - 0.17 Fog , Rain