Current Conditions Seattle

¹ Daily total rainfall.
² Maximum and minimum rainfall are the instantaneous rainfall rates.
	Current	Today's Highs and Lows
Temperature	63.8°F (17.7°C) ↓	65.2° 8:20 PM 63.8° 8:58 PM
Dew Point	55.4°F (13.0°C) ↑	55.7° 8:30 PM 55.0° 8:58 PM
Humidity	74% ↑	74% 8:58 PM 70% 8:20 PM
Wind Gust	NNW 4 mph	NNW 4 8:54 PM NW 0 8:20 PM
Wind Speed	NNW 0 mph ↑ Calm (0)	NNW 2 8:56 PM N 0 8:20 PM
Precipitation	0.00" (0.00 mm) ¹ Last 24 hours 0.00"	0.00"²8:20 PM0.00"² 8:20 PM
Evapotranspiration	"
Barometer	29.934" (1013.7 mb) Rising	29.934" 8:45 PM 29.926" 8:20 PM
Wind Chill Gust	63.8°F (17.7°C)	65.2° 8:20 PM 63.8° 8:58 PM
Wind Chill Avg	63.8°F (17.7°C)	65.2° 8:20 PM 63.8° 8:58 PM
Heat Index	63°F (17.2°C)	65° 8:20 PM 63° 8:55 PM
Sunshine	W/m²
UV Index

METAR

Alarms

Number of Days

For August	For 2010
Rain: 0 Snow: 0 Heavy Fog: 0 Thunder: 0 High > 90°F: 0 Low < 32°F: 0 High < 32°F: 0 Low < 0°F: 0 Cloudy: 0 Partly Cloudy: 0 Clear: 0	Rain: 0 Snow: 0 Heavy Fog: 0 Thunder: 0 High > 90°F: 0 Low < 32°F: 0 High < 32°F: 0 Low < 0°F: 0 Cloudy: 0 Partly Cloudy: 0 Clear: 1
Date of last rainfall: n/a (n/a days)

Observed Conditions

Observer Notes for Today

Degree Days

Wind Run

Sunrise, Sunset

Sunshine Minutes
Sunshine intensity > 120 W/m²

Other Calculated Parameters

Averages

	Last 5 minutes	Current Hour	Current Day
Temperature °F	63.9	64.5	64.5
Dew Point °F	55.2	55.3	55.3
Humidity	73	72.1	72.1
Wind Speed (mph)	331° 0.6	330° 0.2	330° 0.2
Precipitation (inches)	0.00	0.00	0.00
Barometer (inches Hg.)	29.934	29.931	29.931
Wind Chill °F	63.9	64.5	64.5
Heat Index °F	63.2	64.1	64.1
Sunshine
UV Index

Normals, Records

Normals for August 10, 2010

High Temperature: °F
Low Temperature: °F
Mean Temperature: °F
Rainfall: n/a"
Snowfall: n/a"

Records for August 10, 2010

Highest Temperature: ° 1179701
Lowest High Temperature: ° 2429
Highest Low Temperature: ° 5766401
Lowest Temperature: ° 5768044
Rainfall: n/a" 22
Snowfall: n/a" 2429

	Maximum Minimum	Mean/Total
Temperature	n/a°F n/a n/a°F n/a	n/a°
Dew Point	n/a°F n/a n/a°F n/a	n/a°
Humidity	n/a% n/a n/a% n/a	n/a°
Wind Gust	N n/a mph n/a N n/a mph n/a	n/a n/a°
Wind Speed	N n/a mph n/a N n/a mph n/a
Barometer	n/a" n/a n/a" n/a	n/a
Wind Chill Gust	n/a°F n/a n/a°F n/a	n/a°
Wind Chill Avg	n/a°F n/a n/a°F n/a
Heat Index	n/a°F n/a n/a°F n/a	n/a°
Sunshine	n/a W/m² n/a n/a W/m² n/a	n/a
UV Index	n/a n/a n/a n/a	n/a°
Degree Days	Heating (Base 65°F): 0 Cooling (Base 65°F): 0
Precipitation		n/a"
Evapotranspiration		n/a"
Precipitation Types	none
Snowfall	0.0"
Snowcover	0"
Observer Notes	None.

	Maximum Minimum	Mean/Total
Temperature	67.5°F 3:57 PM 58.4°F 6:52 AM	63.0°
Dew Point	60.5°F 7:56 PM 48.7°F 2:53 AM	54.4°
Humidity	94% 9:18 PM 65% 1:16 PM	75.7°
Wind Gust	SSE 17 mph 1:52 PM SW 0 mph 12:00 AM	3.7 185°
Wind Speed	S 10 mph 12:15 PM S 0 mph 7:25 PM
Barometer	29.962" 10:28 AM 29.911" 8:13 PM	29.938
Wind Chill Gust	67.5°F 3:57 PM 56.5°F 7:09 AM	62.3°
Wind Chill Avg	67.5°F 3:57 PM 57.8°F 7:11 AM
Heat Index	67°F 2:54 PM 58°F 5:36 AM	61.9°
Sunshine	W/m² W/m²
UV Index	W/m² W/m²
Degree Days	Heating (Base 65°F): 2 Cooling (Base 65°F): 0
Precipitation		0.12"
Precipitation Types	none
Snowfall	0.0"
Snowcover	0"
Observer Notes	None.

Monthly and Yearly Statistics

Extremes are the first of multiple occurrences.
	Monthly Maximum, Minimum, Mean/Total	Yearly Maximum, Minimum, Mean/Total
Temperature °F	65.2° on Aug 10 8:20 PM 63.8° on Aug 10 8:58 PM Mean 64.5°	66.5° on Jul 11 9:31 PM 41.8° on Feb 3 5:06 AM Mean 33.3°
Dew Point °F	55.7° on Aug 10 8:30 PM 55.0° on Aug 10 8:58 PM Mean 0.0°	59.1° on Jul 11 9:31 PM 37.3° on Feb 3 5:06 AM Mean 45.6°
Humidity	74% on Aug 10 8:58 PM 70% on Aug 10 8:20 PM Mean 0.0%	89% on Jan 1 9:46 AM 69% on May 8 9:05 AM Mean 79.3%
Wind Gust (mph)	NNW 4 on Aug 10 8:54 PM NW 0 on Aug 10 8:20 PM Mean 0° 0.0	SSW 22 on Jan 1 9:46 AM SE 0 on Jan 14 8:20 AM Mean 208° 2.5
Wind Speed	NNW 2 on Aug 10 8:56 PM N 0 on Aug 10 8:20 PM	SSW 10 on Jan 1 9:48 AM N 0 on Jan 1 9:46 AM
Barometer	29.934" on Aug 10 8:45 PM 29.926" on Aug 10 8:20 PM Mean 0.000"	30.197" on Jan 14 8:20 AM 29.622" on Jan 1 9:46 AM Mean 29.897"
Precipitation	Total 0.00"	Total 0.00"
Evapotranspiration	Total "	Total "
Wind Chill Gust °F	63.8° on Aug 10 8:58 PM	40.4° on Feb 3 5:06 AM
Wind Chill Average °F	63.8° on Aug 10 8:58 PM Mean 0.0°	41.8° on Feb 3 5:06 AM Mean 51.7°
Heat Index °F	65° on Aug 10 8:20 PM Mean 0.0°	66° on Jul 11 9:31 PM Mean 51.5°
Sunshine	W/m² on W/m² on Mean W/m²	W/m² on W/m² on Mean W/m²
UV Index	on on Mean	on on Mean

All-Time Records

Records begin .
Extremes are the first of multiple occurrences.
	Maximum, Minimum
Temperature °F	103.8° on Jul 29, 2009 3:10 PM 15.2° on Dec 20, 2008 8:10 AM
Dew Point °F	69.0° on Jul 28, 2009 10:49 AM 2.6° on Dec 8, 2009 1:11 PM
Humidity	100% on Dec 8, 2008 9:30 AM 23% on Aug 27, 2009 3:59 PM
Wind Gust (mph)	SSW 41 on Jan 6, 2009 2:41 PM NNE 0 on Dec 4, 2008 9:42 AM
Wind Speed	SSW 27 on Dec 29, 2008 11:43 AM N 0 on Dec 4, 2008 9:42 AM
Barometer	30.663" on Jan 29, 2009 10:59 AM 29.063" on Oct 13, 2009 6:44 PM
Precipitation	Max rate: 52.36"/hr on Aug 16, 2009 7:01 PM
Evapotranspiration	Max day: " on
Wind Chill Gust °F	10.5° on Dec 10, 2009 6:11 AM
Wind Chill Average °F	10.5° on Dec 20, 2008 8:20 AM
Heat Index °F	106° on Jul 29, 2009 2:10 PM
Sunshine	W/m² on W/m² on
UV Index	on on

Precipitation types	none
Snowfall today	0.0 inches
Snow on the ground	0 inches
Snowfall this season	n/a inches

	Today	Month	Season
Heating - Base 65°F	0	0	0
Cooling - Base 65°F	0	0	0

Today	4.5 miles
This month	4.5 miles
This year	2427.7 miles

Twilight begins	5:31 AM
Sunrise	5:59 AM
Sunset	8:29 PM
Twilight ends	8:57 PM

Today	0
This Month	0
This Year	0
Yesterday	0
One Year Ago	0

Wet Bulb	58.7°F
Temperature-Humidity Index	61.5°F
Equilibrium Moisture Content	13.13 %
Mixing Ratio	9.37 g/kg
Saturated Mixing Ratio	12.72 g/kg
Air Density	1.215 kg/m³
Density Altitude	746 ft
Estimated Potential Cloud Base	1898 ft

Tuesday, August 10, 2010 9:00:00 PM (Pacific)

METAR

Alarms

Number of Days

Observed Conditions

Observer Notes for Today

Degree Days