Weather History for Chehalis, WA

Change the Weather History Date:

Month of September, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 89 °F 75 °F 59 °F
Mean Temperature 71 °F 63 °F 54 °F
Min Temperature 60 °F 50 °F 41 °F
Degree Days  
Heating Degree Days (base 65) 12 3 0 100
Cooling Degree Days (base 65) 6 1 0 33
Growing Degree Days (base 50) 21 13 4 386
Dew Point  
Dew Point 66 °F 53 °F 39 °F
Precipitation  
Precipitation 0.21 in 0.02 in 0.00 in 0.67 in
Snowdepth - - - -
Wind  
Wind 21 mph 3 mph 0 mph
Gust Wind 30 mph 18 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.40 in 30.04 in 29.66 in

Monthly Weather History Graph

Monthly Weather History Graph

Search for Another Location

Airport:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Sep. 07, 2011 Rise Set
Actual Time 6:39 AM PDT 7:39 PM PDT
Civil Twilight 6:08 AM PDT 8:10 PM PDT
Nautical Twilight 5:31 AM PDT 8:47 PM PDT
Astronomical Twilight 4:52 AM PDT 9:26 PM PDT
Moon 5:13 PM PDT (9/7) 1:46 AM PDT (9/7)
Length of Visible Light 14h 02m
Length of Day
13h 00m
Waxing Gibbous, 80% of the Moon is Illuminated
Sep 7
Waxing Gibbous
Sep 12
Full
Sep 20
Last Quarter
Sep 27
New
Oct 3
First Quarter

Weather History Calendar

 
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Fog
Actual:
75 | 44 0.00
Average:
- | - -
Partly Cloudy
Actual:
73 | 53 0.00
Average:
- | - -
Clear
Actual:
80 | 50 0.00
Average:
- | - -
Partly Cloudy
Actual:
86 | 44 0.00
Average:
- | - -
Partly Cloudy
Actual:
84 | 44 0.00
Average:
- | - -
Fog
Actual:
86 | 46 0.00
Average:
- | - -
Clear
Actual:
86 | 48 0.00
Average:
- | - -
Scattered Clouds
Actual:
86 | 51 0.00
Average:
- | - -
Partly Cloudy
Actual:
86 | 51 0.00
Average:
- | - -
Scattered Clouds
Actual:
86 | 53 0.00
Average:
- | - -
Clear
Actual:
89 | 53 0.00
Average:
- | - -
Partly Cloudy
Actual:
71 | 53 0.00
Average:
- | - -
Overcast
Actual:
66 | 59 0.00
Average:
- | - -
Overcast
Actual:
68 | 59 0.00
Average:
- | - -
Overcast
Actual:
68 | 57 0.00
Average:
- | - -
Partly Cloudy
Actual:
66 | 44 0.00
Average:
- | - -
Rain
Actual:
59 | 51 0.21
Average:
- | - -
Rain
Actual:
66 | 55 0.06
Average:
- | - -
Fog
Actual:
68 | 48 0.01
Average:
- | - -
Fog
Actual:
78 | 41 0.00
Average:
- | - -
Clear
Actual:
77 | 53 0.00
Average:
- | - -
Mostly Cloudy
Actual:
77 | 57 0.00
Average:
- | - -
Rain
Actual:
82 | 57 0.00
Average:
- | - -
Rain
Actual:
80 | 60 0.00
Average:
- | - -
Rain
Actual:
64 | 53 0.12
Average:
- | - -
Rain
Actual:
64 | 50 0.17
Average:
- | - -
Rain
Actual:
66 | 55 0.10
Average:
- | - -
Fog
Actual:
66 | 41 0.00
Average:
- | - -
Fog
Actual:
77 | 41 0.00
Average:
- | - -
Rain
Actual:
68 | 44 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

2011 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 75 60 44 54 49 45 100 77 41 30.24 30.18 30.13 10 7 0 9 1 - 0.00 Fog
2 73 63 53 55 51 43 94 70 35 30.26 30.21 30.18 10 10 5 10 2 - 0.00  
3 80 65 50 52 48 43 87 56 26 30.19 30.09 29.95 10 10 7 13 4 16 0.00  
4 86 65 44 54 48 45 100 61 23 29.96 29.92 29.85 10 9 5 8 1 - 0.00  
5 84 64 44 55 50 45 100 66 28 29.99 29.95 29.91 10 9 4 8 1 - 0.00  
6 86 66 46 57 51 46 100 71 27 30.16 30.12 30.07 10 8 0 7 1 - 0.00 Fog
7 86 67 48 55 52 48 100 72 27 30.13 30.10 30.01 10 9 3 12 2 16 0.00  
8 86 68 51 55 52 48 94 68 27 30.17 30.13 30.08 10 10 6 13 2 - 0.00  
9 86 68 51 57 54 50 100 66 33 30.22 30.16 30.05 10 10 5 15 3 25 0.00  
10 86 70 53 59 55 52 94 67 35 30.06 29.98 29.86 10 9 5 13 3 18 0.00  
11 89 71 53 63 56 50 100 69 33 29.89 29.86 29.83 10 10 5 7 1 - 0.00  
12 71 62 53 57 56 54 100 81 60 30.12 30.09 30.00 10 10 5 9 2 - 0.00  
13 66 62 59 55 55 54 88 79 68 30.18 30.16 30.11 10 10 7 10 1 - 0.00  
14 68 64 59 55 54 52 88 75 56 30.10 30.05 29.99 10 10 5 6 2 - 0.00  
15 68 62 57 54 53 50 88 76 60 30.02 30.00 29.98 10 9 5 8 4 16 0.00  
16 66 55 44 50 46 41 100 74 42 30.05 30.04 30.03 10 9 4 7 2 - 0.00  
17 59 55 51 54 49 46 94 84 77 30.09 30.07 30.04 10 8 2 14 6 23 0.21 Rain
18 66 60 55 61 57 55 100 88 73 30.14 30.11 30.06 10 8 1 15 9 21 0.06 Rain
19 68 58 48 57 52 48 100 84 52 30.25 30.20 30.16 10 7 0 12 2 16 0.01 Fog
20 78 60 41 59 50 41 100 77 36 30.17 30.10 30.03 10 9 0 6 1 - 0.00 Fog
21 77 65 53 63 56 54 100 81 47 30.04 30.01 29.96 10 10 9 6 2 - 0.00  
22 77 67 57 64 58 55 94 75 57 30.04 30.00 29.97 10 10 7 15 6 20 0.00  
23 82 70 57 64 61 57 100 77 42 30.06 30.01 29.89 10 8 0 9 3 16 0.00 Fog , Rain
24 80 71 60 66 62 57 100 83 45 29.94 29.78 29.66 10 9 2 8 2 - 0.00 Rain
25 64 60 53 59 55 50 100 85 59 29.98 29.80 29.66 10 9 3 17 5 26 0.12 Rain
26 64 57 50 57 52 48 100 85 59 29.97 29.90 29.84 10 8 2 21 7 30 0.17 Rain
27 66 62 55 55 52 45 94 76 49 30.26 30.12 29.99 10 9 2 10 7 18 0.10 Rain
28 66 54 41 52 46 41 100 79 49 30.40 30.30 30.13 10 7 0 16 5 23 0.00 Fog
29 77 59 41 55 47 39 100 77 36 30.08 29.95 29.82 10 6 0 7 2 - 0.00 Fog
30 68 56 44 55 51 45 100 86 56 29.95 29.91 29.88 10 10 3 7 2 - 0.00 Rain