Detailed Weather Conditions



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

Current Conditions

Almanac

Last Updated: 5:30am on 5/15/08
Outside Temperature: 52.7°F
Today's High: 55.6°F at 12:00am
Low: 52.7°F at 5:04am
Barometric Pressure: 30.44in.

Barometric Trend: Steady

Moonrise:   4:37pm   Moonset:  3:22am
Sunrise : 5:29am  Sunset: 8:39pm
Outdoor Temperature Barometer

Current: 52.7°F
High: 55.6°F at 12:00am Low: 52.7°F at 5:04am
Average (1-hr): 53.4°F

Rates:
Current:
-0.7°F/hr
High: -0.2°F/hr at 4:11am
Low: -1.1°F/hr at 5:04am

Current: 30.44in

Barometric Trend: Steady
High: 30.47in at 12:00am Low: 30.44 at 4:48am
Average (1-hr): 30.46in

Rates:
Current: -0.01in/hr
High: 0.00in/hr at 12:00am
Low: -0.03in/hr at 4:48am

Outdoor Humidity Wind Speed (1 Minute Avg.)

Current: 45%
High: 45% at 2:19am Low: 43% at 12:00am
Average (1-hr): 45%

Rates:
Current: 0%/hr
High: 1 %/hr at 12:05am
Low: -1%/hr at 5:03am

Current: 4.5 mph
High: 7.8 mph at 5:00am Low: 0.0 mph at 12:00am
Average (1-hr): 0.8 mph

Rates:
Current: 3.7 mph/hr
High: 7.5 mph/hr at 5:00am
Low: -0.7 mph/hr at 5:25am

Dew Point Wind Direction

Current: 32.0°F
High: 34.0°F at 12:05am Low: 31.4°F at 5:04am
Average (1-hr): 32.6°F

Rates:
Current: -0.6°F/hr
High: 0.4°F/hr at 12:05am
Low: -1.5°F/hr at 5:04am

Current: NNE°
High: 165° at 12:18am Low: 21° at 5:02am
Average (1-hr): 103°

Rates:
Current: -86°/hr
High: 1°/hr at 4:51am
Low: -141°/hr at 5:00am

Heat Index Wind Gust

Current: 53.0°F
High: 55.8°F at 12:05am Low: 53.0°F at 5:04am
Average (1-hr): 53.7°F

Rates:
Current: -0.7°F/hr
High:-0.2°F/hr at 4:11am
Low: -1.1°F/hr at 5:04am

Current: 4.5 mph
High: 7.8 mph at 5:00am Low: 0.0 mph at 12:00am
Average (1-hr): 0.8 mph

Rates:
Current: 3.7 mph/hr
High: 7.5 mph/hr at
Low: -0.7 mph/hr at 5:25am

Wind Chill Rainfall

Current: 51.7°F
High: 55.6°F at 12:00am Low: 50.6°F at 5:00am
Average (1-hr): 53.3°F

Rates:
Current: -1.6°F/hr
High: -0.2°F/hr at 4:11am
Low: -3.2°F/hr at 5:00am

Rainfall Today: 0.00in.

Rain Last 24 Hrs: 0.00 in.

Monthly Rainfall: 0.00 in.

Total Rainfall: 51.75 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: 5182 ft

Pressure Altitude: 109

Air Density: -263

Virtual Temp: 53.9°F

Vapor Pressure: 0.18

Wind Run: 1

Wind Run Month: 503

Wind Run Year: 5412

Degrees Heating: 2.5°F

Degrees Cooling: 0.0°F

Degree Heating Month: 210.2°F

Degree Cooling Month: 0.3°F

Degree Heating Year: 3103.8°F

Degree Cooling Year: 3.5°F

Official Observations

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

Last Updated: 05/15/2008 04:53am
Temperature: 55.4°F
Dew Point: 53.6°F
Wind Chill: 46.8°F
Heat Index: 61.6°F
Relative Humidity: %
Pressure: 30.48in
Wind Direction: N
Wind Speed: 10.0 mph
Wind Gust: 10.0 mph

Rain/hr: ---
Visibility: 4 miles
Cloud Height: --- x 1000 ft
Sky Conditions:
Weather: Mist

Last Updated: 05/15/2008 04:53am
Temperature: 55.4°F
Dew Point: 51.8°F
Wind Chill: 52.1°F
Heat Index: 60.7°F
Relative Humidity: %
Pressure: 30.48in
Wind Direction: NW
Wind Speed: 6.0 mph
Wind Gust: 6.0 mph

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

Everett  Airport (KPAE) Quillayute State Airport (KUIL)

Last Updated: 05/15/2008 04:53am
Temperature: 33.8°F
Dew Point: 32.0°F
Wind Chill: 33.8°F
Heat Index: 39.9°F
Relative Humidity: %
Pressure: 30.49in
Wind Direction: NNW
Wind Speed: 4.0 mph
Wind Gust: 4.0 mph

Rain/hr: ---
Visibility: 0.25 miles
Cloud Height: --- x 1000 ft
Sky Conditions:
Weather: Fog

Last Updated: 05/15/2008 04:53am
Temperature: 51.8°F
Dew Point: 51.8°F
Wind Chill: 51.8°F
Heat Index: 59.0°F
Relative Humidity: %
Pressure: 30.47in
Wind Direction: N
Wind Speed: 3.0 mph
Wind Gust: 3.0 mph

Rain/hr: ---
Visibility: 4 miles
Cloud Height: --- x 1000 ft
Sky Conditions:
Weather: Mist

 

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