Weather History for KSEA - April, 2013

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Month of April, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 71 °F 58 °F 46 °F
Mean Temperature 58 °F 51 °F 43 °F
Min Temperature 51 °F 44 °F 38 °F
Degree Days  
Heating Degree Days (base 65) 22 14 7 416
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 8 2 0 61
Dew Point  
Dew Point 52 °F 40 °F 21 °F
Precipitation  
Precipitation 1.54 in 0.24 in 0.00 in 5.89 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 35 mph 8 mph 0 mph
Gust Wind 45 mph 24 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.55 in 30.15 in 29.49 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Apr. 25, 2013 Rise Set
Actual Time 6:02 AM PDT 8:13 PM PDT
Civil Twilight 5:28 AM PDT 8:46 PM PDT
Nautical Twilight 4:47 AM PDT 9:28 PM PDT
Astronomical Twilight 4:00 AM PDT 10:15 PM PDT
Moon 8:35 PM PDT (4/25) 5:48 AM PDT (4/25)
Length of Visible Light 15h 18m
Length of Day
14h 11m
Full, 100% of the Moon is Illuminated
Apr 25
Full
Apr 25
Full
May 2
Last Quarter
May 9
New
May 17
First Quarter

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 63 55 47 47 46 43 93 75 56 30.19 30.10 30.02 10 10 10 17 8 21 0.00  
2 57 53 48 46 45 43 86 76 66 30.24 30.21 30.17 10 10 10 10 5 17 0.00  
3 62 54 46 46 44 41 86 67 48 30.22 30.14 29.97 10 10 10 9 4 20 0.00  
4 58 54 50 52 48 43 93 82 71 29.96 29.77 29.67 10 7 1 18 7 28 0.33 Rain
5 57 54 50 50 48 46 89 78 67 29.91 29.85 29.77 10 8 4 29 13 41 0.73 Rain
6 54 50 45 47 43 40 89 80 71 29.97 29.89 29.74 10 9 2 22 11 28 0.50 Rain
7 47 44 41 42 40 37 89 86 82 29.92 29.72 29.49 10 7 2 20 9 36 1.54 Rain
8 56 50 43 45 41 39 92 77 61 30.30 30.14 29.90 10 10 7 13 7 16 0.03 Rain
9 54 49 43 42 40 39 83 71 59 30.38 30.32 30.22 10 10 10 9 5 12 T Rain
10 59 54 48 50 44 39 89 73 57 30.29 30.11 29.96 10 8 2 25 14 32 0.37 Rain
11 54 49 44 43 39 35 89 70 50 30.33 30.29 30.22 10 9 2 15 9 20 0.06 Rain
12 46 43 40 44 39 34 93 79 65 30.19 29.92 29.71 10 8 2 29 10 38 0.38 Rain
13 51 45 38 39 35 31 82 74 66 30.03 29.92 29.78 10 10 5 25 13 35 0.37 Rain
14 55 48 40 40 37 28 92 67 41 30.04 30.00 29.93 10 10 4 13 5 16 0.23 Rain
15 57 49 40 39 37 33 86 65 43 30.21 30.06 29.96 10 9 0 35 5 45 T Rain
16 57 48 38 39 36 31 92 67 41 30.43 30.33 30.22 10 10 7 28 6 35 0.01 Rain
17 59 49 39 41 36 29 79 55 31 30.49 30.46 30.44 10 10 10 15 7 20 0.00  
18 53 49 44 47 42 36 76 73 70 30.49 30.41 30.25 10 10 7 16 9 22 0.21 Rain
19 56 53 49 51 48 44 96 88 80 30.24 30.15 30.08 10 7 2 17 11 22 0.81 Rain
20 57 52 47 45 43 41 86 74 61 30.31 30.28 30.24 10 10 10 22 13 28 T Rain
21 54 49 44 45 40 36 86 70 54 30.39 30.29 30.24 10 9 4 17 9 22 0.13 Rain
22 61 51 41 40 33 21 89 56 22 30.55 30.49 30.41 10 10 10 17 10 21 0.00  
23 64 52 39 38 32 21 79 51 22 30.44 30.35 30.27 10 10 10 20 6 24 0.00  
24 70 57 43 38 35 30 76 51 25 30.35 30.25 30.09 10 10 10 13 7 17 0.00  
25 71 58 44 43 37 32 66 47 28 30.17 30.11 30.07 10 10 10 8 3 12 0.00  
26 69 58 47 46 45 43 93 68 42 30.29 30.25 30.19 10 9 2 14 5 16 0.00  
27 57 54 51 47 43 35 83 65 47 30.25 30.23 30.19 10 10 10 23 13 28 T Rain
28 59 54 49 46 44 38 86 67 47 30.24 30.17 29.97 10 10 4 22 12 29 0.04 Rain
29 57 51 44 46 38 31 86 64 41 30.19 30.08 29.94 10 9 3 23 9 30 0.15 Rain
30 55 48 40 34 32 29 79 59 38 30.47 30.34 30.20 10 10 10 12 5 26 T