Weather History for KSEA - February, 2012

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Month of February, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 61 °F 49 °F 41 °F
Mean Temperature 53 °F 43 °F 36 °F
Min Temperature 46 °F 38 °F 28 °F
Degree Days  
Heating Degree Days (base 65) 29 22 12 626
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 4 0 0 4
Dew Point  
Dew Point 48 °F 35 °F 20 °F
Precipitation  
Precipitation 0.68 in 0.13 in 0.00 in 3.63 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 29 mph 9 mph 0 mph
Gust Wind 39 mph 24 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.51 in 30.08 in 29.47 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Feb. 28, 2012 Rise Set
Actual Time 6:52 AM PST 5:52 PM PST
Civil Twilight 6:21 AM PST 6:23 PM PST
Nautical Twilight 5:45 AM PST 6:58 PM PST
Astronomical Twilight 5:10 AM PST 7:34 PM PST
Moon 9:32 AM PST (2/28) 12:19 AM PST (2/28)
Length of Visible Light 12h 01m
Length of Day
10h 59m
Waxing Crescent, 39% of the Moon is Illuminated
Feb 28
Waxing Crescent
Feb 29
First Quarter
Mar 8
Full
Mar 14
Last Quarter
Mar 22
New

Daily Weather History & Observations

2012 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 48 43 38 45 39 33 100 85 70 30.49 30.15 29.89 10 8 1 20 6 26 0.53 Rain
2 47 41 35 37 34 32 85 73 60 30.51 30.40 30.24 10 10 10 15 6 18 0.00  
3 58 47 36 33 25 21 79 52 25 30.26 30.16 30.10 10 10 10 23 12 29 0.00  
4 60 51 41 33 26 24 55 40 25 30.22 30.19 30.15 10 10 10 20 10 24 0.00  
5 57 46 35 35 30 24 79 59 39 30.26 30.21 30.14 10 10 10 14 7 16 0.00  
6 61 48 35 32 25 20 89 56 22 30.13 30.02 29.92 10 10 10 23 11 28 0.00  
7 60 53 46 34 24 21 36 30 23 30.04 29.92 29.88 10 10 10 23 12 31 0.01 Rain
8 50 46 41 46 41 35 86 73 60 30.30 30.19 30.06 10 9 3 15 6 17 0.11 Rain
9 52 49 46 47 42 36 93 80 66 30.30 30.20 30.05 10 10 7 16 5 20 0.10 Rain
10 55 50 44 47 43 36 93 75 56 30.09 30.01 29.95 10 9 3 16 7 18 0.10 Rain
11 48 45 42 43 40 38 93 82 71 30.20 30.15 30.07 10 10 9 15 8 20 0.03 Rain
12 47 44 41 41 38 36 89 80 70 30.16 30.03 29.93 10 10 3 8 3 12 0.04 Rain
13 45 43 40 42 40 38 100 88 76 30.10 30.03 29.94 10 5 0 9 3 10 0.45 Rain
14 44 39 34 40 36 34 93 85 76 30.23 30.00 29.92 10 9 4 17 7 21 0.10 Rain
15 45 39 33 37 35 32 100 83 65 30.43 30.36 30.25 10 8 0 13 4 14 0.00  
16 45 42 38 43 40 33 92 86 79 30.32 30.26 30.23 10 7 0 13 5 15 0.07 Fog , Rain
17 50 45 40 45 41 37 100 87 74 30.28 30.10 29.86 10 5 0 25 8 36 0.68 Fog , Rain
18 44 42 39 43 38 36 96 86 76 30.10 29.98 29.91 10 10 6 28 18 38 0.25 Rain
19 44 40 36 36 32 28 85 72 58 30.12 30.06 29.94 10 10 10 24 11 30 0.00  
20 46 41 35 45 38 29 100 85 70 30.04 29.98 29.90 10 6 1 15 6 18 0.12 Rain
21 50 48 46 48 45 44 100 90 80 30.11 30.06 30.01 10 8 0 28 17 37 0.03 Rain
22 50 44 37 47 40 33 96 79 61 30.34 30.11 29.97 10 8 0 28 13 39 0.34 Rain
23 47 42 37 35 34 32 85 73 60 30.43 30.38 30.32 10 10 10 16 9 21 0.00  
24 44 42 40 43 37 33 96 83 70 30.30 29.92 29.61 10 9 4 17 8 23 0.45 Rain
25 45 41 37 39 33 30 86 78 70 30.22 29.93 29.60 10 10 10 24 14 36 T Rain
26 41 36 30 32 30 25 89 74 59 30.24 30.18 30.15 10 9 1 17 8 22 0.05 Rain , Snow
27 44 36 28 27 25 22 85 67 49 30.23 30.15 30.00 10 10 10 16 7 21 0.00  
28 44 38 31 36 27 21 82 61 40 29.98 29.69 29.47 10 10 5 21 9 29 0.14 Rain , Snow
29 41 38 34 38 33 28 92 84 75 29.81 29.63 29.51 10 9 3 29 16 38 0.03 Rain , Snow