Weather History for Seattle Boeing, WA

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 55 °F 46 °F 39 °F
Mean Temperature 52 °F 42 °F 36 °F
Min Temperature 48 °F 38 °F 30 °F
Degree Days  
Heating Degree Days (base 65) 30 23 14 704
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 2 0 0 2
Dew Point  
Dew Point 50 °F 37 °F 28 °F
Precipitation  
Precipitation 1.00 in 0.25 in 0.00 in 7.75 in
Snowdepth - - - -
Wind  
Wind 23 mph 6 mph 0 mph
Gust Wind 39 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.46 in 29.90 in 28.94 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 05, 2012 Rise Set
Actual Time 7:41 AM PST 4:18 PM PST
Civil Twilight 7:06 AM PST 4:53 PM PST
Nautical Twilight 6:27 AM PST 5:32 PM PST
Astronomical Twilight 5:50 AM PST 6:10 PM PST
Moon 11:36 PM PST (12/5) 11:47 AM PST (12/5)
Length of Visible Light 9h 47m
Length of Day
8h 36m
Waning Gibbous, 58% of the Moon is Illuminated
Dec 5
Waning Gibbous
Dec 6
Last Quarter
Dec 13
New
Dec 19
First Quarter
Dec 28
Full

Weather History Calendar

Precipitation Actual month total 7.75 Average Month Total: 5.48
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
55 | 48 0.28
Average:
47 | 37 0.20
Rain
Actual:
48 | 44 1.00
Average:
48 | 38 0.28
Rain
Actual:
48 | 46 0.41
Average:
48 | 39 0.28
Rain
Actual:
53 | 46 0.46
Average:
47 | 37 0.16
Rain
Actual:
48 | 42 0.02
Average:
46 | 36 0.23
Rain
Actual:
46 | 42 0.07
Average:
46 | 36 0.16
Rain
Actual:
46 | 39 0.14
Average:
45 | 36 0.20
Partly Cloudy
Actual:
44 | 37 0.00
Average:
45 | 36 0.17
Rain
Actual:
45 | 37 0.06
Average:
46 | 36 0.17
Overcast
Actual:
46 | 42 0.00
Average:
47 | 37 0.26
Rain
Actual:
46 | 43 0.10
Average:
45 | 36 0.15
Rain
Actual:
44 | 42 0.28
Average:
45 | 35 0.22
Rain
Actual:
46 | 39 0.08
Average:
46 | 36 0.23
Rain
Actual:
44 | 34 0.25
Average:
47 | 37 0.18
Rain
Actual:
42 | 30 0.24
Average:
46 | 36 0.25
Rain
Actual:
55 | 39 0.92
Average:
46 | 37 0.21
Rain
Actual:
48 | 37 0.11
Average:
45 | 36 0.14
Snow
Actual:
39 | 34 0.05
Average:
44 | 34 0.13
Snow
Actual:
46 | 33 0.99
Average:
42 | 34 0.11
Rain
Actual:
44 | 32 0.64
Average:
43 | 34 0.14
Rain
Actual:
46 | 30 0.07
Average:
44 | 34 0.16
Rain
Actual:
48 | 39 0.12
Average:
43 | 35 0.14
Rain
Actual:
46 | 39 0.39
Average:
43 | 35 0.10
Rain
Actual:
45 | 37 0.08
Average:
44 | 35 0.12
Rain
Actual:
44 | 37 0.41
Average:
44 | 35 0.22
Rain
Actual:
46 | 39 0.25
Average:
44 | 36 0.21
Rain
Actual:
46 | 41 0.27
Average:
44 | 34 0.15
Rain
Actual:
48 | 39 0.00
Average:
43 | 33 0.06
Rain
Actual:
43 | 39 0.06
Average:
43 | 34 0.20
Fog
Actual:
42 | 33 0.00
Average:
43 | 34 0.13
Partly Cloudy
Actual:
41 | 30 0.00
Average:
43 | 34 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

2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 55 52 48 47 42 38 93 73 53 29.63 29.51 29.28 10 10 5 17 10 28 0.28 Rain
2 48 46 44 45 42 39 93 84 76 29.80 29.50 29.18 10 8 3 17 7 25 1.00 Rain
3 48 47 46 45 44 41 90 84 77 30.01 29.88 29.65 10 9 4 18 11 25 0.41 Rain
4 53 50 46 50 44 40 93 80 66 29.85 29.71 29.54 10 9 3 17 8 25 0.46 Rain
5 48 45 42 39 37 35 82 72 63 30.21 30.13 29.88 10 10 8 14 10 24 0.02 Rain
6 46 44 42 40 39 37 86 80 74 30.18 30.10 30.05 10 10 6 14 9 26 0.07 Rain
7 46 42 39 41 39 34 86 80 71 30.16 30.05 29.96 10 10 7 17 9 26 0.14 Rain
8 44 40 37 36 34 32 86 77 61 30.35 30.25 30.15 10 10 10 12 6 - 0.00  
9 45 41 37 43 39 34 96 89 79 30.38 30.33 30.28 10 6 2 9 4 - 0.06 Rain
10 46 44 42 43 41 39 93 87 81 30.42 30.33 30.11 10 9 5 9 2 - 0.00  
11 46 44 43 41 40 38 86 82 76 30.09 29.77 29.56 10 10 5 16 9 23 0.10 Rain
12 44 43 42 41 39 38 92 87 81 30.03 29.84 29.63 10 8 3 6 3 - 0.28 Rain
13 46 42 39 38 36 34 89 81 66 30.05 29.96 29.82 10 10 5 9 5 - 0.08 Rain
14 44 40 34 39 36 32 93 86 65 29.95 29.87 29.79 10 9 6 10 5 - 0.25 Rain
15 42 36 30 36 33 28 93 82 73 29.93 29.70 29.56 10 9 3 10 7 20 0.24 Rain
16 55 47 39 48 37 34 89 84 76 29.75 29.49 28.97 10 9 4 20 11 28 0.92 Rain
17 48 42 37 43 35 30 86 73 60 29.89 29.50 28.94 10 10 10 23 15 39 0.11 Rain
18 39 36 34 34 32 29 92 81 67 29.99 29.95 29.88 10 9 5 13 10 23 0.05 Rain , Snow
19 46 40 33 40 34 28 94 81 63 29.95 29.72 29.57 10 8 4 22 8 30 0.99 Rain , Snow
20 44 38 32 43 36 30 99 83 76 29.83 29.67 29.52 10 8 5 16 6 25 0.64 Rain
21 46 38 30 37 32 28 100 89 68 29.83 29.76 29.67 10 6 0 6 1 - 0.07 Fog , Rain
22 48 44 39 41 37 34 89 79 59 29.74 29.60 29.51 10 10 8 15 3 29 0.12 Rain
23 46 42 39 39 36 34 87 79 68 29.82 29.72 29.62 10 9 6 8 4 - 0.39 Rain
24 45 41 37 39 37 35 93 85 76 30.17 30.06 29.85 10 9 5 8 5 - 0.08 Rain
25 44 40 37 36 35 32 93 78 63 30.02 29.76 29.66 10 9 6 14 3 22 0.41 Rain
26 46 42 39 41 37 34 85 79 73 29.92 29.79 29.70 10 10 4 17 6 24 0.25 Rain
27 46 44 41 40 38 36 89 81 71 30.17 30.08 29.92 10 9 2 8 4 - 0.27 Rain
28 48 44 39 38 36 32 89 75 61 30.17 30.14 30.11 10 10 10 5 1 - 0.00 Rain
29 43 41 39 38 34 31 86 77 66 30.24 30.19 30.16 10 10 5 7 3 - 0.06 Rain
30 42 38 33 36 34 32 93 86 70 30.33 30.29 30.23 10 6 0 7 1 - 0.00 Fog
31 41 36 30 34 31 28 93 83 73 30.46 30.33 30.25 10 9 2 7 2 - 0.00