Weather History for Fort Lewis, WA

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Month of September, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 88 °F 73 °F 62 °F
Mean Temperature 68 °F 59 °F 52 °F
Min Temperature 57 °F 46 °F 37 °F
Degree Days  
Heating Degree Days (base 65) 12 6 0 173
Cooling Degree Days (base 65) 3 0 0 3
Growing Degree Days (base 50) 18 9 2 279
Dew Point  
Dew Point 57 °F 47 °F 34 °F
Precipitation  
Precipitation 0.01 in 0.00 in 0.00 in 0.02 in
Snowdepth - - - -
Wind  
Wind 16 mph 4 mph 0 mph
Gust Wind 22 mph 19 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.42 in 30.12 in 29.93 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 10, 2012 Rise Set
Actual Time 6:42 AM PDT 7:31 PM PDT
Civil Twilight 6:11 AM PDT 8:01 PM PDT
Nautical Twilight 5:34 AM PDT 8:38 PM PDT
Astronomical Twilight 4:55 AM PDT 9:17 PM PDT
Moon 12:51 AM PDT (9/10) 4:19 PM PDT (9/10)
Length of Visible Light 13h 50m
Length of Day
12h 48m
Waning Crescent, 29% of the Moon is Illuminated
Sep 10
Waning Crescent
Sep 15
New
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter

Weather History Calendar

Precipitation Actual month total 0.02 Average Month Total: 1.48
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
73 | 46 0.00
Average:
73 | 50 0.05
Rain
Actual:
68 | 42 0.00
Average:
72 | 50 0.05
Rain
Actual:
73 | 44 0.00
Average:
72 | 50 0.05
Clear
Actual:
76 | 45 0.00
Average:
72 | 49 0.05
Clear
Actual:
80 | 45 0.00
Average:
72 | 49 0.05
Clear
Actual:
82 | 49 0.00
Average:
72 | 49 0.05
Clear
Actual:
88 | 48 0.00
Average:
72 | 49 0.05
Scattered Clouds
Actual:
77 | 51 0.00
Average:
71 | 49 0.05
Overcast
Actual:
66 | 57 0.00
Average:
71 | 49 0.05
Rain
Actual:
68 | 48 0.01
Average:
71 | 49 0.05
Scattered Clouds
Actual:
67 | 39 0.00
Average:
70 | 48 0.05
Clear
Actual:
71 | 37 0.00
Average:
70 | 48 0.05
Clear
Actual:
82 | 40 0.00
Average:
69 | 48 0.05
Clear
Actual:
80 | 44 0.00
Average:
69 | 48 0.05
Clear
Actual:
73 | 46 0.00
Average:
69 | 47 0.05
Clear
Actual:
74 | 42 0.00
Average:
69 | 47 0.04
Clear
Actual:
79 | 46 0.00
Average:
69 | 46 0.04
Clear
Actual:
83 | 47 0.00
Average:
69 | 46 0.04
Partly Cloudy
Actual:
74 | 51 0.00
Average:
69 | 46 0.04
Fog
Actual:
68 | 52 0.00
Average:
69 | 45 0.04
Overcast
Actual:
62 | 54 0.00
Average:
69 | 45 0.05
Partly Cloudy
Actual:
67 | 47 0.00
Average:
69 | 45 0.05
Clear
Actual:
67 | 42 0.00
Average:
68 | 45 0.05
Scattered Clouds
Actual:
70 | 43 0.00
Average:
68 | 45 0.05
Mostly Cloudy
Actual:
65 | 47 0.00
Average:
68 | 45 0.05
Fog
Actual:
67 | 40 0.00
Average:
67 | 45 0.05
Fog
Actual:
73 | 40 0.00
Average:
67 | 45 0.05
Partly Cloudy
Actual:
80 | 50 0.00
Average:
66 | 45 0.06
Partly Cloudy
Actual:
68 | 51 0.01
Average:
66 | 45 0.06
Clear
Actual:
68 | 39 0.00
Average:
65 | 45 0.06
 

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
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 73 60 46 50 48 45 94 67 41 30.16 30.11 30.03 10 10 10 13 5 - 0.00 Rain
2 68 55 42 50 46 41 93 69 44 30.22 30.17 30.13 10 10 10 12 4 - 0.00 Rain
3 73 58 44 52 48 41 100 72 41 30.19 30.16 30.12 10 9 0 10 4 - 0.00 Fog , Rain
4 76 60 45 51 48 43 90 63 36 30.22 30.17 30.12 10 10 10 12 4 - 0.00  
5 80 62 45 54 49 43 91 63 34 30.11 30.02 29.93 10 10 10 12 4 - 0.00  
6 82 66 49 54 49 46 92 61 30 30.06 30.01 29.96 10 10 7 10 5 - 0.00  
7 88 68 48 52 46 40 89 51 18 30.14 30.08 30.03 10 10 10 9 4 - 0.00  
8 77 64 51 57 51 44 79 65 47 30.04 29.99 29.94 10 10 10 15 6 - 0.00  
9 66 62 57 54 50 48 88 68 56 30.03 30.01 29.99 10 10 10 16 8 21 0.00  
10 68 57 48 55 46 37 94 65 35 30.23 30.09 29.98 10 10 6 15 10 22 0.01 Rain
11 67 52 39 45 40 34 93 61 34 30.32 30.29 30.25 10 10 10 10 6 - 0.00  
12 71 54 37 45 41 34 86 59 29 30.35 30.30 30.23 10 10 10 14 6 18 0.00  
13 82 60 40 46 41 37 91 51 22 30.23 30.13 30.05 10 10 10 8 4 - 0.00  
14 80 62 44 51 45 40 82 55 28 30.09 30.06 30.01 10 10 10 6 3 - 0.00  
15 73 60 46 51 47 42 88 66 36 30.18 30.15 30.08 10 10 10 6 4 - 0.00  
16 74 58 42 51 47 41 96 71 40 30.23 30.18 30.13 10 10 10 10 4 - 0.00  
17 79 62 46 53 48 44 92 64 34 30.13 30.08 30.01 10 10 10 8 3 - 0.00  
18 83 65 47 56 48 40 89 63 22 30.11 30.05 30.02 10 10 9 12 4 - 0.00  
19 74 62 51 54 52 48 100 88 47 30.17 30.14 30.06 10 5 1 7 3 - 0.00  
20 68 60 52 55 53 52 100 94 58 30.13 30.09 30.06 10 3 0 9 4 - 0.00 Fog
21 62 58 54 54 53 51 97 84 68 30.16 30.13 30.12 10 10 10 9 5 - 0.00  
22 67 58 47 52 50 44 88 73 49 30.17 30.15 30.13 10 10 10 7 3 - 0.00  
23 67 54 42 48 45 40 95 73 48 30.17 30.15 30.12 10 10 10 8 3 - 0.00  
24 70 56 43 51 47 41 93 71 49 30.16 30.13 30.09 10 10 10 9 4 - 0.00  
25 65 56 47 55 51 46 94 81 58 30.16 30.13 30.10 10 10 8 7 3 - 0.00  
26 67 54 40 52 45 39 100 90 48 30.14 30.11 30.06 10 4 0 8 3 - 0.00 Fog
27 73 56 40 52 46 38 100 85 41 30.09 30.05 29.96 10 6 0 9 2 - 0.00 Fog
28 80 65 50 56 49 41 86 61 26 30.04 29.97 29.95 10 10 10 10 3 - 0.00  
29 68 61 51 57 52 38 95 80 34 30.30 30.16 30.03 10 9 2 10 4 - 0.01  
30 68 54 39 46 41 37 93 65 35 30.42 30.37 30.32 10 10 10 12 5 - 0.00