Weather History for Chehalis, WA

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Tuesday, September 11, 2012

  Actual Average (KOLM) Record (KOLM)
Temperature  
Mean Temperature 52 °F 60 °F  
Max Temperature 68 °F 74 °F 91 °F (2013)
Min Temperature 37 °F 47 °F 34 °F (1988)
Degree Days  
Heating Degree Days 12 5  
Month to date heating degree days 47  
Since 1 July heating degree days 197  
Cooling Degree Days 0 0  
Month to date cooling degree days 4  
Year to date cooling degree days 103  
Growing Degree Days 2 (Base 50)    
Moisture  
Dew Point 40 °F    
Average Humidity 68    
Maximum Humidity 100    
Minimum Humidity 34    
Precipitation  
Precipitation 0.00 in 0.06 in 0.38 in (2004)
Month to date precipitation 0.56  
Year to date precipitation 28.16  
Sea Level Pressure  
Sea Level Pressure 30.29 in    
Wind  
Wind Speed 4 mph (North)    
Max Wind Speed 12 mph    
Max Gust Speed 21 mph    
Visibility 7 miles    
Events Fog    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 11, 2012 Rise Set
Actual Time 6:45 AM PDT 7:30 PM PDT
Civil Twilight 6:14 AM PDT 8:00 PM PDT
Nautical Twilight 5:38 AM PDT 8:37 PM PDT
Astronomical Twilight 5:00 AM PDT 9:15 PM PDT
Moon 1:54 AM PDT (9/11) 4:55 PM PDT (9/11)
Length of Visible Light 13h 46m
Length of Day
12h 45m
Waning Crescent, 20% of the Moon is Illuminated
Sep 11
Waning Crescent
Sep 15
New
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 44.6 °F 41.4 °F 41.0 °F 87% 30.25 in 10.0 mi WSW 5.8 mph - N/A   Clear
12:35 AM 42.8 °F 40.1 °F 41.0 °F 93% 30.25 in 7.0 mi SW 4.6 mph - N/A   Clear
12:55 AM 44.6 °F - 41.0 °F 87% 30.25 in 8.0 mi Calm Calm - N/A   Clear
1:15 AM 42.8 °F - 41.0 °F 93% 30.25 in 10.0 mi Calm Calm - N/A   Clear
1:35 AM 42.8 °F 41.1 °F 41.0 °F 93% 30.25 in 10.0 mi SW 3.5 mph - N/A   Clear
1:55 AM 44.6 °F 43.1 °F 41.0 °F 87% 30.25 in 10.0 mi SSW 3.5 mph - N/A   Clear
2:15 AM 41.0 °F 39.0 °F 41.0 °F 100% 30.26 in 10.0 mi SW 3.5 mph - N/A   Clear
2:35 AM 42.8 °F - 41.0 °F 93% 30.26 in 10.0 mi Calm Calm - N/A   Clear
2:55 AM 41.0 °F - 41.0 °F 100% 30.27 in 10.0 mi Calm Calm - N/A   Clear
3:15 AM 41.0 °F - 41.0 °F 100% 30.27 in 10.0 mi Calm Calm - N/A   Clear
3:35 AM 41.0 °F - 39.2 °F 93% 30.28 in 10.0 mi Calm Calm - N/A   Partly Cloudy
3:55 AM 41.0 °F - 39.2 °F 93% 30.28 in 10.0 mi Calm Calm - N/A   Clear
4:15 AM 39.2 °F - 39.2 °F 100% 30.28 in 10.0 mi Calm Calm - N/A   Clear
4:35 AM 39.2 °F - 37.4 °F 93% 30.28 in 3.0 mi Calm Calm - N/A   Partly Cloudy
4:55 AM 39.2 °F - 37.4 °F 93% 30.29 in 5.0 mi Calm Calm - N/A   Partly Cloudy
5:15 AM 37.4 °F - 37.4 °F 100% 30.29 in 0.5 mi Calm Calm - N/A Fog Fog
5:35 AM 37.4 °F - 37.4 °F 100% 30.29 in 0.2 mi Calm Calm - N/A Fog Fog
5:55 AM 37.4 °F - 37.4 °F 100% 30.30 in 0.2 mi Calm Calm - N/A Fog Fog
6:15 AM 37.4 °F - 37.4 °F 100% 30.31 in 0.2 mi Calm Calm - N/A Fog Fog
6:35 AM 37.4 °F - 37.4 °F 100% 30.31 in 0.2 mi Calm Calm - N/A Fog Fog
6:55 AM 37.4 °F - 35.6 °F 93% 30.31 in 0.2 mi Calm Calm - N/A Fog Fog
7:15 AM 37.4 °F - 35.6 °F 93% 30.32 in 0.2 mi Calm Calm - N/A Fog Fog
7:35 AM 37.4 °F - 37.4 °F 100% 30.32 in 8.0 mi Calm Calm - N/A   Mostly Cloudy
7:55 AM 39.2 °F - 37.4 °F 93% 30.33 in 0.5 mi Calm Calm - N/A Fog Fog
8:15 AM 39.2 °F - 39.2 °F 100% 30.33 in 3.0 mi Calm Calm - N/A   Overcast
8:35 AM 41.0 °F - 41.0 °F 100% 30.33 in 0.2 mi Calm Calm - N/A Fog Fog
8:55 AM 41.0 °F - 41.0 °F 100% 30.33 in 0.2 mi Calm Calm - N/A Fog Fog
9:15 AM 44.6 °F 43.1 °F 44.6 °F 100% 30.32 in 0.2 mi NE 3.5 mph - N/A Fog Fog
9:35 AM 46.4 °F 45.2 °F 46.4 °F 100% 30.32 in 10.0 mi North 3.5 mph - N/A   Partly Cloudy
9:55 AM 50.0 °F - 46.4 °F 87% 30.32 in 6.0 mi North 6.9 mph - N/A   Clear
10:15 AM 53.6 °F - 46.4 °F 77% 30.32 in 10.0 mi North 4.6 mph - N/A   Clear
10:35 AM 57.2 °F - 46.4 °F 67% 30.32 in 6.0 mi NNE 10.4 mph 17.3 mph N/A   Haze
10:55 AM 59.0 °F - 46.4 °F 63% 30.32 in 5.0 mi NNE 11.5 mph 17.3 mph N/A   Haze
11:15 AM 59.0 °F - 44.6 °F 59% 30.32 in 5.0 mi North 5.8 mph - N/A   Haze
11:35 AM 59.0 °F - 44.6 °F 59% 30.32 in 5.0 mi NNE 11.5 mph - N/A   Haze
11:55 AM 60.8 °F - 44.6 °F 55% 30.31 in 5.0 mi NNE 11.5 mph 16.1 mph N/A   Haze
12:15 PM 62.6 °F - 44.6 °F 52% 30.31 in 5.0 mi NNE 10.4 mph 16.1 mph N/A   Haze
12:35 PM 62.6 °F - 44.6 °F 52% 30.31 in 5.0 mi NNE 11.5 mph 16.1 mph N/A   Haze
12:55 PM 64.4 °F - 44.6 °F 49% 30.30 in 5.0 mi NE 10.4 mph 17.3 mph N/A   Haze
1:15 PM 64.4 °F - 44.6 °F 49% 30.30 in 7.0 mi NNE 9.2 mph 17.3 mph N/A   Clear
1:35 PM 66.2 °F - 42.8 °F 43% 30.30 in 8.0 mi NNE 11.5 mph 20.7 mph N/A   Clear
1:55 PM 66.2 °F - 42.8 °F 43% 30.29 in 7.0 mi North 8.1 mph 17.3 mph N/A   Clear
2:15 PM 66.2 °F - 41.0 °F 40% 30.29 in 10.0 mi North 9.2 mph 17.3 mph N/A   Clear
2:35 PM 68.0 °F - 41.0 °F 37% 30.29 in 10.0 mi North 9.2 mph - N/A   Clear
2:55 PM 66.2 °F - 39.2 °F 37% 30.28 in 10.0 mi NE 11.5 mph 19.6 mph N/A   Clear
3:15 PM 68.0 °F - 39.2 °F 35% 30.27 in 10.0 mi NNW 9.2 mph - N/A   Clear
3:35 PM 68.0 °F - 39.2 °F 35% 30.27 in 8.0 mi NNE 6.9 mph 17.3 mph N/A   Clear
3:55 PM 68.0 °F - 39.2 °F 35% 30.27 in 10.0 mi NNE 11.5 mph 17.3 mph N/A   Clear
4:15 PM 68.0 °F - 39.2 °F 35% 30.26 in 10.0 mi North 6.9 mph - N/A   Clear
4:35 PM 68.0 °F - 39.2 °F 35% 30.26 in 10.0 mi North 9.2 mph 16.1 mph N/A   Clear
4:55 PM 68.0 °F - 39.2 °F 35% 30.26 in 10.0 mi NNE 8.1 mph - N/A   Clear
5:15 PM 68.0 °F - 39.2 °F 35% 30.26 in 9.0 mi North 8.1 mph - N/A   Clear
5:35 PM 66.2 °F - 39.2 °F 37% 30.26 in 7.0 mi NNE 10.4 mph - N/A   Clear
5:55 PM 66.2 °F - 39.2 °F 37% 30.26 in 10.0 mi NE 11.5 mph - N/A   Clear
6:15 PM 66.2 °F - 37.4 °F 35% 30.26 in 10.0 mi NE 10.4 mph - N/A   Clear
6:35 PM 64.4 °F - 35.6 °F 34% 30.25 in 10.0 mi NE 10.4 mph - N/A   Clear
6:55 PM 64.4 °F - 35.6 °F 34% 30.25 in 5.0 mi NNE 8.1 mph - N/A   Haze
7:15 PM 62.6 °F - 39.2 °F 42% 30.25 in 10.0 mi NNE 8.1 mph - N/A   Clear
7:35 PM 60.8 °F - 39.2 °F 45% 30.25 in 8.0 mi NNE 6.9 mph - N/A   Clear
7:55 PM 59.0 °F - 39.2 °F 48% 30.26 in 10.0 mi Calm Calm - N/A   Clear
8:15 PM 57.2 °F - 39.2 °F 51% 30.26 in 10.0 mi North 3.5 mph - N/A   Clear
8:35 PM 55.4 °F - 39.2 °F 54% 30.27 in 10.0 mi Calm Calm - N/A   Clear
8:55 PM 55.4 °F - 39.2 °F 54% 30.28 in 10.0 mi North 5.8 mph - N/A   Clear
9:35 PM 55.4 °F - 37.4 °F 51% 30.29 in 8.0 mi NNE 9.2 mph - N/A   Clear
9:55 PM 53.6 °F - 37.4 °F 54% 30.29 in 7.0 mi Calm Calm - N/A   Clear
10:15 PM 51.8 °F - 39.2 °F 62% 30.29 in 7.0 mi NNW 3.5 mph - N/A   Clear
10:35 PM 51.8 °F - 37.4 °F 58% 30.30 in 8.0 mi North 4.6 mph - N/A   Clear
10:55 PM 51.8 °F - 37.4 °F 58% 30.30 in 7.0 mi Calm Calm - N/A   Clear
11:15 PM 51.8 °F - 39.2 °F 62% 30.30 in 7.0 mi Calm Calm - N/A   Clear
11:35 PM 51.8 °F - 39.2 °F 62% 30.30 in 8.0 mi North 3.5 mph - N/A   Partly Cloudy
11:55 PM 53.6 °F - 39.2 °F 58% 30.30 in 7.0 mi North 4.6 mph - N/A   Partly Cloudy