Weather History for Chehalis, WA

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Month of September, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 89 °F 74 °F 62 °F
Mean Temperature 68 °F 60 °F 52 °F
Min Temperature 57 °F 46 °F 37 °F
Degree Days  
Heating Degree Days (base 65) 12 5 0 151
Cooling Degree Days (base 65) 4 0 0 8
Growing Degree Days (base 50) 18 10 2 303
Dew Point  
Dew Point 61 °F 50 °F 34 °F
Precipitation  
Precipitation 0.03 in 0.00 in 0.00 in 0.03 in
Snowdepth - - - -
Wind  
Wind 15 mph 2 mph 0 mph
Gust Wind 21 mph 17 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.41 in 30.13 in 29.92 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Sep. 04, 2012 Rise Set
Actual Time 6:36 AM PDT 7:44 PM PDT
Civil Twilight 6:05 AM PDT 8:15 PM PDT
Nautical Twilight 5:27 AM PDT 8:52 PM PDT
Astronomical Twilight 4:48 AM PDT 9:31 PM PDT
Moon 9:19 PM PDT (9/4) 11:08 AM PDT (9/4)
Length of Visible Light 14h 09m
Length of Day
13h 07m
Waning Gibbous, 83% of the Moon is Illuminated
Sep 4
Waning Gibbous
Sep 8
Last Quarter
Sep 15
New
Sep 22
First Quarter
Sep 29
Full

Weather History Calendar

 
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Scattered Clouds
Actual:
73 | 42 0.00
Average:
- | - -
Rain
Actual:
73 | 42 0.00
Average:
- | - -
Fog
Actual:
75 | 48 0.00
Average:
- | - -
Fog
Actual:
78 | 50 0.00
Average:
- | - -
Clear
Actual:
82 | 48 0.00
Average:
- | - -
Rain
Actual:
82 | 50 0.00
Average:
- | - -
Clear
Actual:
89 | 48 0.00
Average:
- | - -
Scattered Clouds
Actual:
77 | 48 0.00
Average:
- | - -
Rain
Actual:
64 | 57 0.00
Average:
- | - -
Rain
Actual:
66 | 44 0.03
Average:
- | - -
Fog
Actual:
68 | 37 0.00
Average:
- | - -
Scattered Clouds
Actual:
73 | 41 0.00
Average:
- | - -
Fog
Actual:
82 | 41 0.00
Average:
- | - -
Scattered Clouds
Actual:
82 | 44 0.00
Average:
- | - -
Partly Cloudy
Actual:
77 | 46 0.00
Average:
- | - -
Fog
Actual:
75 | 41 0.00
Average:
- | - -
Partly Cloudy
Actual:
82 | 44 0.00
Average:
- | - -
Scattered Clouds
Actual:
86 | 46 0.00
Average:
- | - -
Scattered Clouds
Actual:
75 | 51 0.00
Average:
- | - -
Partly Cloudy
Actual:
66 | 51 0.00
Average:
- | - -
Scattered Clouds
Actual:
62 | 57 0.00
Average:
- | - -
Rain
Actual:
69 | 48 0.00
Average:
- | - -
Fog
Actual:
69 | 41 0.00
Average:
- | - -
Fog
Actual:
73 | 44 0.00
Average:
- | - -
Scattered Clouds
Actual:
64 | 46 0.00
Average:
- | - -
Fog
Actual:
69 | 44 0.00
Average:
- | - -
Fog
Actual:
75 | 42 0.00
Average:
- | - -
Rain
Actual:
80 | 53 0.00
Average:
- | - -
Clear
Actual:
68 | 46 0.00
Average:
- | - -
Clear
Actual:
71 | 41 0.00
Average:
- | - -
 

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 58 42 50 48 43 100 74 41 30.18 30.13 30.04 10 10 5 7 2 - 0.00  
2 73 58 42 55 48 41 100 75 38 30.23 30.18 30.14 10 10 5 9 4 - 0.00 Rain
3 75 62 48 55 52 48 100 76 41 30.20 30.16 30.12 10 9 0 14 3 21 0.00 Fog
4 78 64 50 55 52 48 100 73 36 30.22 30.17 30.10 10 7 0 14 3 21 0.00 Fog
5 82 65 48 57 53 48 100 69 32 30.11 30.02 29.92 10 8 2 10 3 - 0.00  
6 82 66 50 57 52 50 100 67 32 30.05 30.01 29.97 10 8 0 13 3 17 0.00 Fog , Rain
7 89 68 48 55 51 46 100 64 22 30.14 30.08 30.02 10 9 4 9 2 - 0.00  
8 77 62 48 59 53 48 100 76 47 30.05 30.02 29.97 10 9 1 9 2 16 0.00  
9 64 60 57 55 52 50 94 77 59 30.06 30.03 30.01 10 9 4 13 5 17 0.00 Rain
10 66 56 44 55 47 41 94 72 42 30.25 30.16 30.02 10 8 3 12 3 20 0.03 Rain
11 68 52 37 46 40 36 100 68 34 30.33 30.29 30.25 10 7 0 12 4 21 0.00 Fog
12 73 57 41 46 43 39 93 60 38 30.34 30.27 30.20 10 8 5 15 6 21 0.00  
13 82 62 41 52 46 39 100 66 26 30.22 30.14 30.04 10 8 0 8 3 - 0.00 Fog
14 82 63 44 54 49 43 100 70 28 30.10 30.07 30.01 10 8 3 7 1 - 0.00  
15 77 62 46 54 47 34 100 71 25 30.20 30.16 30.08 10 8 4 9 1 - 0.00  
16 75 58 41 54 48 41 100 75 44 30.24 30.18 30.11 10 7 0 12 2 17 0.00 Fog
17 82 63 44 55 51 45 100 74 34 30.13 30.07 30.00 10 8 1 8 1 - 0.00  
18 86 66 46 61 52 46 100 70 29 30.13 30.05 30.01 10 8 2 8 2 - 0.00  
19 75 64 51 55 54 52 100 81 47 30.17 30.13 30.06 10 8 4 9 2 - 0.00  
20 66 58 51 55 53 50 100 89 68 30.14 30.11 30.08 10 7 1 7 1 - 0.00  
21 62 60 57 55 54 52 94 83 68 30.17 30.15 30.14 10 10 4 6 1 - 0.00  
22 69 58 48 54 50 46 100 72 43 30.18 30.15 30.12 10 9 5 8 2 - 0.00 Rain
23 69 55 41 54 48 41 100 81 46 30.18 30.15 30.12 10 7 0 12 1 17 0.00 Fog
24 73 58 44 55 51 45 100 83 46 30.17 30.14 30.10 10 7 0 7 1 - 0.00 Fog
25 64 55 46 55 50 45 100 82 59 30.18 30.14 30.13 10 8 2 6 2 - 0.00  
26 69 56 44 52 47 43 100 82 46 30.15 30.10 30.05 10 6 0 10 2 - 0.00 Fog
27 75 58 42 54 49 43 100 79 41 30.08 30.03 29.95 10 6 0 9 1 - 0.00 Fog
28 80 66 53 57 53 46 94 73 34 30.06 29.99 29.95 10 9 4 8 1 - 0.00 Rain
29 68 57 46 59 50 45 94 74 52 30.31 30.20 30.07 10 9 5 8 3 - 0.00  
30 71 56 41 48 43 37 100 69 31 30.41 30.36 30.31 10 8 1 15 3 21 0.00