Weather History for Petersburg, AK

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Month of April, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 53 °F 45 °F 37 °F
Mean Temperature 44 °F 38 °F 34 °F
Min Temperature 41 °F 32 °F 26 °F
Degree Days  
Heating Degree Days (base 65) 31 27 21 796
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 43 °F 30 °F 14 °F
Precipitation  
Precipitation 2.15 in 0.22 in 0.00 in 6.72 in
Snowdepth - - - -
Wind  
Wind 22 mph 4 mph 0 mph
Gust Wind 43 mph 18 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.65 in 30.02 in 29.31 in

Monthly Weather History Graph

Monthly Weather History Graph

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Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Apr. 12, 2013 Rise Set
Actual Time 5:50 AM AKDT 7:55 PM AKDT
Civil Twilight 5:10 AM AKDT 8:36 PM AKDT
Nautical Twilight 4:18 AM AKDT 9:28 PM AKDT
Astronomical Twilight 3:16 AM AKDT 10:31 PM AKDT
Moon 6:39 AM AKDT (4/12) 11:04 PM AKDT (4/12)
Length of Visible Light 15h 26m
Length of Day
14h 04m
Waxing Crescent, 6% of the Moon is Illuminated
Apr 12
Waxing Crescent
Apr 18
First Quarter
Apr 25
Full
May 2
Last Quarter
May 9
New

Weather History Calendar

Precipitation Actual month total 6.72 Average Month Total: 15.10
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Mostly Cloudy
Actual:
44 | 33 0.12
Average:
40 | 28 0.50
Partly Cloudy
Actual:
44 | 28 0.01
Average:
41 | 28 0.48
Partly Cloudy
Actual:
42 | 30 0.00
Average:
41 | 28 0.47
Clear
Actual:
46 | 28 0.00
Average:
41 | 29 0.45
Mostly Cloudy
Actual:
37 | 32 0.15
Average:
42 | 29 0.44
Mostly Cloudy
Actual:
48 | 35 0.11
Average:
42 | 29 0.42
Partly Cloudy
Actual:
53 | 33 0.00
Average:
43 | 29 1.24
Partly Cloudy
Actual:
51 | 28 0.24
Average:
43 | 30 0.39
Rain
Actual:
44 | 35 0.97
Average:
43 | 30 0.38
Snow
Actual:
42 | 30 0.01
Average:
43 | 30 0.37
Mostly Cloudy
Actual:
41 | 30 0.02
Average:
44 | 31 0.36
Partly Cloudy
Actual:
46 | 35 0.02
Average:
44 | 31 0.35
Scattered Clouds
Actual:
48 | 28 0.00
Average:
44 | 31 0.35
Scattered Clouds
Actual:
50 | 28 0.00
Average:
44 | 31 0.34
Scattered Clouds
Actual:
48 | 30 0.00
Average:
45 | 32 0.34
Mostly Cloudy
Actual:
46 | 35 0.09
Average:
45 | 32 0.34
Rain
Actual:
48 | 35 0.32
Average:
45 | 32 0.35
Overcast
Actual:
46 | 35 0.09
Average:
45 | 32 0.35
Partly Cloudy
Actual:
44 | 30 0.00
Average:
46 | 32 0.35
Clear
Actual:
46 | 26 0.00
Average:
46 | 33 0.36
Clear
Actual:
48 | 26 0.00
Average:
46 | 33 0.37
Partly Cloudy
Actual:
44 | 28 0.00
Average:
46 | 33 0.38
Scattered Clouds
Actual:
48 | 28 0.00
Average:
47 | 33 0.39
Overcast
Actual:
46 | 39 0.17
Average:
47 | 33 2.94
Rain
Actual:
46 | 41 1.03
Average:
47 | 34 0.40
Overcast
Actual:
44 | 37 2.15
Average:
48 | 34 0.40
Rain
Actual:
42 | 33 0.51
Average:
48 | 34 0.40
Overcast
Actual:
41 | 33 0.65
Average:
48 | 34 0.40
Partly Cloudy
Actual:
41 | 30 0.04
Average:
48 | 34 0.40
Partly Cloudy
Actual:
42 | 26 0.02
Average:
48 | 34 0.39
 

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
Apr high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 44 38 33 39 35 30 93 83 70 30.09 29.99 29.95 10 10 10 14 3 18 0.12  
2 44 36 28 34 31 27 93 82 57 30.31 30.23 30.10 10 10 10 9 4 - 0.01  
3 42 36 30 34 29 27 93 77 53 30.31 30.21 30.07 10 9 1 7 2 - 0.00  
4 46 37 28 28 24 19 93 62 34 30.06 29.83 29.62 10 10 10 9 4 - 0.00  
5 37 34 32 32 28 23 93 78 60 29.61 29.57 29.51 10 7 2 7 4 - 0.15  
6 48 42 35 41 35 32 93 83 66 29.77 29.55 29.44 10 10 8 10 2 23 0.11  
7 53 44 33 37 35 30 93 77 44 30.00 29.91 29.77 10 10 10 7 2 - 0.00  
8 51 40 28 37 32 27 93 75 41 30.00 29.89 29.68 10 9 0 17 3 30 0.24  
9 44 40 35 39 35 25 87 77 56 29.85 29.57 29.31 10 8 4 22 9 43 0.97 Rain
10 42 36 30 30 28 21 93 74 42 30.15 29.99 29.85 10 10 10 16 4 16 0.01 Rain , Snow
11 41 36 30 30 28 25 87 72 53 30.25 30.14 29.84 10 9 2 14 6 17 0.02  
12 46 40 35 30 27 21 75 60 37 29.82 29.59 29.50 10 10 3 13 7 26 0.02  
13 48 38 28 34 28 25 93 68 40 30.07 29.95 29.76 10 10 10 8 4 - 0.00  
14 50 39 28 30 28 25 93 65 40 30.26 30.15 30.07 10 10 10 8 4 - 0.00  
15 48 39 30 34 28 25 86 64 46 30.40 30.35 30.26 10 10 10 9 4 - 0.00  
16 46 40 35 36 32 28 87 75 50 30.41 30.31 30.12 10 10 7 12 3 17 0.09  
17 48 42 35 43 37 34 93 86 76 30.14 30.09 30.04 10 8 3 9 2 - 0.32 Rain
18 46 40 35 39 36 32 93 85 71 30.14 30.01 29.92 10 9 3 10 3 16 0.09  
19 44 38 30 36 24 16 87 59 34 30.27 30.11 29.95 10 10 10 15 7 20 0.00  
20 46 36 26 27 21 14 86 55 29 30.44 30.37 30.27 10 10 10 9 5 - 0.00  
21 48 37 26 28 21 18 80 53 32 30.56 30.50 30.44 10 10 10 8 4 - 0.00  
22 44 36 28 30 27 21 93 63 43 30.63 30.60 30.56 10 10 10 12 4 16 0.00  
23 48 38 28 34 29 25 86 66 46 30.65 30.58 30.46 10 10 10 8 4 - 0.00  
24 46 42 39 43 38 34 93 83 70 30.46 30.18 29.88 10 6 2 12 3 16 0.17  
25 46 44 41 41 39 37 87 81 76 29.87 29.70 29.58 10 7 3 12 5 20 1.03 Rain
26 44 40 37 39 35 30 93 82 75 29.58 29.53 29.49 10 5 2 16 5 32 2.15  
27 42 38 33 36 33 30 93 83 66 29.85 29.73 29.53 10 8 5 9 3 20 0.51 Rain
28 41 37 33 36 31 27 93 84 70 29.81 29.68 29.62 10 7 2 12 3 16 0.65  
29 41 36 30 28 23 14 86 61 36 30.27 30.08 29.82 10 9 3 13 8 20 0.04  
30 42 34 26 34 26 21 93 73 49 30.34 30.32 30.28 10 9 5 13 4 16 0.02