Detailed Weather Conditions



Location: Sammamish, WA
Longitude: 122  2' 42''  Latitude: 47 36' 48"
Elevation: 355 feet

Current Conditions

Almanac

Last Updated: 3:00am on 3/26/10
Outside Temperature: 41.2F
Today's High: 43.5F at 12:07am
Low: 41.0F at 3:00am
Barometric Pressure: 29.85in.

Barometric Trend: Rising

Moonrise:   3:38pm   Moonset:  5:04am
Sunrise : 6:57am  Sunset: 7:27pm
Outdoor Temperature Barometer

Current: 41.2F
High: 43.5F at 12:07am Low: 41.0F at 3:00am
Average (1-hr): 42.4F

Rates:
Current:
-1.2F/hr
High: 0.1F/hr at 1:41am
Low: -1.5F/hr at 2:46am

Current: 29.85in

Barometric Trend: Rising
High: 29.85in at 2:17am Low: 29.79 at 12:00am
Average (1-hr): 29.83in

Rates:
Current: 0.02in/hr
High: 0.04in/hr at 2:17am
Low: 0.01in/hr at 12:47am

Outdoor Humidity Wind Speed (1 Minute Avg.)

Current: 39%
High: 42% at 12:16am Low: 38% at 2:22am
Average (1-hr): 39%

Rates:
Current: -0%/hr
High: 1 %/hr at 12:16am
Low: -2%/hr at 2:22am

Current: 3.4 mph
High: 12.6 mph at 2:34am Low: 0.0 mph at 12:00am
Average (1-hr): 4.3 mph

Rates:
Current: -1.0 mph/hr
High: 8.7 mph/hr at 1:59am
Low: -4.3 mph/hr at 2:47am

Dew Point Wind Direction

Current: 18.1F
High: 22.0F at 12:48am Low: 17.5F at 2:46am
Average (1-hr): 19.4F

Rates:
Current: -1.3F/hr
High: 0.6F/hr at 12:16am
Low: -2.4F/hr at 2:36am

Current: SE
High: 288 at 2:37am Low: 83 at 12:50am
Average (1-hr): 123

Rates:
Current: 3/hr
High: 161/hr at 2:37am
Low: -40/hr at 12:23am

Heat Index Wind Gust

Current: 41.0F
High: 43.6F at 12:48am Low: 40.8F at 3:00am
Average (1-hr): 42.2F

Rates:
Current: -1.2F/hr
High:0.2F/hr at 12:59am
Low: -1.6F/hr at 2:46am

Current: 3.4 mph
High: 12.6 mph at 2:34am Low: 0.0 mph at 12:00am
Average (1-hr): 4.3 mph

Rates:
Current: -1.0 mph/hr
High: 8.7 mph/hr at
Low: -4.3 mph/hr at 2:47am

Wind Chill Rainfall

Current: 39.3F
High: 43.5F at 12:07am Low: 34.5F at 2:43am
Average (1-hr): 39.7F

Rates:
Current: -0.4F/hr
High: 1.7F/hr at 1:44am
Low: -5.9F/hr at 2:34am

Rainfall Today: 0.00in.

Rain Last 24 Hrs: 0.00 in.

Monthly Rainfall: 0.00 in.

Total Rainfall: 59.81 in.

Rates:

Current:  0.00in/hr

High: 0.00 in/hr at 12:00am

Low: 0.00 at 12:00am

Other Measurements & Data

Weather Station Forecast: Clear

Heat Stress: ---

Comfort Level: Cool

Beaufort Scale: Light Breeze

Cloud Base: 5765 ft

Pressure Altitude: 662

Air Density: -356

Virtual Temp: 41.8F

Vapor Pressure: 0.10

Wind Run: 9

Wind Run Month: 628

Wind Run Year: 2582

Degrees Heating: 2.8F

Degrees Cooling: 0.0F

Degree Heating Month: 328.6F

Degree Cooling Month: 0.1F

Degree Heating Year: 1489.0F

Degree Cooling Year: 0.1F

Official Observations

Seattle-Tacoma International Airport (KSEA) Boeing Field (KBFI)

Last Updated: 03/26/2010 01:53am
Temperature: 44.6F
Dew Point: 39.2F
Wind Chill: 25.3F
Heat Index: 49.0F
Relative Humidity: %
Pressure: 29.86in
Wind Direction: SW
Wind Speed: 19.0 mph
Wind Gust: 33.0 mph

Rain/hr: ---
Visibility: 10 miles
Cloud Height: --- x 1000 ft
Sky Conditions: Overcast
Weather: Light Rain

Last Updated: 03/26/2010 02:12am
Temperature: 46.4F
Dew Point: 39.2F
Wind Chill: 32.1F
Heat Index: 50.1F
Relative Humidity: %
Pressure: 29.86in
Wind Direction: SSW
Wind Speed: 14.0 mph
Wind Gust: 27.0 mph

Rain/hr: ---
Visibility: 10 miles
Cloud Height: 2.0 x 1000 ft
Sky Conditions: Overcast
Weather:

Everett  Airport (KPAE) Quillayute State Airport (KUIL)

Last Updated: 03/26/2010 01:53am
Temperature: 46.4F
Dew Point: 41.0F
Wind Chill: 33.0F
Heat Index: 50.8F
Relative Humidity: %
Pressure: 29.82in
Wind Direction: SSW
Wind Speed: 13.0 mph
Wind Gust: 13.0 mph

Rain/hr: ---
Visibility: 10 miles
Cloud Height: 1.2 x 1000 ft
Sky Conditions: Overcast
Weather:

Last Updated: 03/26/2010 02:36am
Temperature: 42.8F
Dew Point: 42.8F
Wind Chill: 31.2F
Heat Index: 50.0F
Relative Humidity: %
Pressure: 29.89in
Wind Direction: W
Wind Speed: 10.0 mph
Wind Gust: 10.0 mph

Rain/hr: ---
Visibility: 10 miles
Cloud Height: --- x 1000 ft
Sky Conditions: Overcast
Weather: Light Rain

 

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