Weather History for Fort Lewis, WA

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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 54 °F 44 °F 37 °F
Mean Temperature 49 °F 39 °F 32 °F
Min Temperature 44 °F 35 °F 27 °F
Degree Days  
Heating Degree Days (base 65) 32 25 16 783
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 50 °F 38 °F 27 °F
Precipitation  
Precipitation 0.92 in 0.22 in 0.00 in 6.88 in
Snowdepth - - - -
Wind  
Wind 26 mph 7 mph 0 mph
Gust Wind 41 mph 23 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.46 in 29.90 in 28.93 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 04, 2012 Rise Set
Actual Time 7:39 AM PST 4:21 PM PST
Civil Twilight 7:04 AM PST 4:56 PM PST
Nautical Twilight 6:26 AM PST 5:35 PM PST
Astronomical Twilight 5:49 AM PST 6:11 PM PST
Moon 10:30 PM PST (12/4) 11:22 AM PST (12/4)
Length of Visible Light 9h 51m
Length of Day
8h 41m
Waning Gibbous, 68% of the Moon is Illuminated
Dec 4
Waning Gibbous
Dec 6
Last Quarter
Dec 13
New
Dec 19
First Quarter
Dec 28
Full

Weather History Calendar

Precipitation Actual month total 6.88 Average Month Total: 5.83
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
54 | 44 0.38
Average:
46 | 34 0.20
Rain
Actual:
48 | 42 0.70
Average:
46 | 34 0.20
Rain
Actual:
50 | 44 0.30
Average:
46 | 34 0.21
Rain
Actual:
52 | 44 0.54
Average:
46 | 34 0.21
Rain
Actual:
47 | 35 0.07
Average:
46 | 34 0.21
Rain
Actual:
43 | 38 0.26
Average:
46 | 34 0.21
Rain
Actual:
45 | 39 0.29
Average:
46 | 34 0.21
Partly Cloudy
Actual:
43 | 37 0.00
Average:
46 | 34 0.21
Overcast
Actual:
44 | 37 0.10
Average:
46 | 34 0.21
Mostly Cloudy
Actual:
45 | 36 0.05
Average:
46 | 34 0.21
Rain
Actual:
46 | 35 0.11
Average:
46 | 34 0.20
Mostly Cloudy
Actual:
45 | 37 0.00
Average:
45 | 34 0.20
Overcast
Actual:
44 | 33 0.10
Average:
45 | 33 0.20
Fog
Actual:
42 | 30 0.20
Average:
44 | 33 0.19
Rain
Actual:
41 | 28 0.07
Average:
44 | 33 0.19
Rain
Actual:
45 | 35 0.89
Average:
43 | 33 0.19
Snow
Actual:
46 | 32 0.35
Average:
43 | 33 0.19
Snow
Actual:
37 | 29 0.22
Average:
42 | 32 0.18
Rain
Actual:
46 | 32 0.92
Average:
42 | 32 0.18
Rain
Actual:
46 | 27 0.35
Average:
42 | 32 0.18
Rain
Actual:
44 | 27 0.00
Average:
41 | 32 0.18
Rain
Actual:
48 | 35 0.07
Average:
41 | 33 0.18
Rain
Actual:
42 | 35 0.24
Average:
41 | 33 0.17
Partly Cloudy
Actual:
42 | 35 0.02
Average:
42 | 33 0.17
Rain
Actual:
41 | 33 0.41
Average:
42 | 33 0.17
Rain
Actual:
44 | 38 0.17
Average:
42 | 33 0.17
Mostly Cloudy
Actual:
45 | 33 0.01
Average:
42 | 33 0.17
Partly Cloudy
Actual:
43 | 34 0.00
Average:
42 | 33 0.16
Fog
Actual:
41 | 32 0.06
Average:
43 | 33 0.16
Rain
Actual:
41 | 28 0.00
Average:
43 | 33 0.16
Fog
Actual:
37 | 28 0.00
Average:
43 | 33 0.16
 

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 54 49 44 47 43 39 94 84 60 29.65 29.50 29.27 10 10 4 26 12 33 0.38 Rain
2 48 45 42 45 43 41 100 91 76 29.83 29.55 29.18 10 9 3 17 10 23 0.70 Rain
3 50 47 44 48 45 42 100 92 78 30.01 29.91 29.64 10 10 5 20 9 23 0.30 Rain
4 52 48 44 50 45 41 100 90 82 29.89 29.73 29.54 10 9 4 17 9 23 0.54 Rain
5 47 41 35 41 38 34 97 88 66 30.23 30.12 29.90 10 10 5 12 8 17 0.07 Rain
6 43 40 38 43 40 37 100 91 81 30.20 30.12 30.07 10 10 4 15 8 - 0.26 Rain
7 45 42 39 43 40 31 100 89 66 30.17 30.06 30.00 10 9 3 20 10 31 0.29 Rain
8 43 40 37 39 36 33 100 84 73 30.36 30.26 30.17 10 10 10 13 7 20 0.00  
9 44 40 37 44 41 36 100 98 85 30.39 30.31 30.26 10 7 2 6 2 - 0.10  
10 45 42 36 45 43 37 100 99 93 30.43 30.35 30.13 10 6 1 7 3 - 0.05  
11 46 40 35 41 39 36 100 94 76 30.11 29.84 29.54 10 7 0 18 6 28 0.11 Fog , Rain
12 45 41 37 39 38 36 100 88 71 30.04 29.86 29.65 10 10 10 10 6 17 0.00  
13 44 38 33 39 36 34 100 94 66 30.06 29.95 29.81 10 8 1 10 4 - 0.10  
14 42 36 30 39 36 30 100 94 81 29.96 29.87 29.76 10 8 0 8 3 - 0.20 Fog
15 41 34 28 37 34 28 98 89 79 29.90 29.67 29.53 10 10 8 20 8 26 0.07 Rain
16 45 40 35 43 38 34 100 92 87 29.77 29.43 28.97 10 10 4 21 9 29 0.89 Rain
17 46 39 32 43 36 32 100 90 76 29.92 29.52 28.93 10 9 3 26 15 41 0.35 Rain , Snow
18 37 33 29 33 32 28 100 96 81 30.01 29.93 29.88 10 8 2 15 9 23 0.22 Snow
19 46 39 32 40 37 30 100 88 66 29.95 29.67 29.52 10 9 5 24 11 38 0.92 Rain
20 46 38 27 41 37 27 98 90 76 29.83 29.63 29.49 10 10 2 21 9 32 0.35 Rain
21 44 36 27 40 33 27 100 96 80 29.82 29.74 29.66 10 9 2 7 2 - 0.00 Rain
22 48 42 35 39 37 35 100 88 64 29.75 29.60 29.49 10 10 9 21 6 28 0.07 Rain
23 42 38 35 41 37 34 100 90 73 29.84 29.69 29.61 10 10 7 15 6 - 0.24 Rain
24 42 38 35 41 38 34 100 97 87 30.17 30.07 29.83 10 8 1 10 6 - 0.02  
25 41 37 33 40 37 32 100 96 87 30.02 29.72 29.64 10 7 0 8 3 - 0.41 Fog , Rain
26 44 41 38 43 39 37 100 94 81 29.95 29.78 29.69 10 8 0 16 5 21 0.17 Fog , Rain
27 45 39 33 40 38 33 98 91 72 30.17 30.06 29.93 10 10 9 15 11 23 0.01  
28 43 38 34 38 36 34 100 93 74 30.17 30.14 30.12 10 9 1 5 1 - 0.00  
29 41 36 32 39 36 32 100 96 80 30.24 30.17 30.13 10 7 0 5 2 - 0.06 Fog
30 41 34 28 38 33 28 100 97 85 30.33 30.27 30.22 10 4 0 5 2 - 0.00 Fog , Rain
31 37 32 28 36 32 28 100 98 87 30.46 30.33 30.24 10 6 0 6 2 - 0.00 Fog