Earth Science 7-Seattle, Washington
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Seattle, WA, USA
Main
Latitude/Longitude 47.62°N/122.36°W [1]
Elevation 32 meters [1]
Major Bodies of Water [1]
- Lake Washington
- Hiram M. Chittenden Locks (Ballard Locks)
- Seattle Harbor
- Elliot Bay
File:Seattle Skyline
A picture of the Seattle Space Needle skyline.
Climate
Climate Zone
Cfb (marine west coast) on the Koppen Climate Chart. [2]
Cities with similar climates are Mbabane, Swaziland and Melbourne, Australia.
Earth Science 7-Melbourne, Australia
Earth Science 7-Mbabane, Swaziland
Average Temperature
| Seattle Temperature | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. Max Temperature | 8 | 10 | 12 | 15 | 18 | 21 | 24 | 24 | 21 | 15 | 10 | 8 | |
| Avg. Min Temperature | 2 | 3 | 4 | 6 | 9 | 11 | 13 | 13 | 11 | 8 | 4 | 2 | |
| Seattle Precipitation | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Total |
| Precipitation (inches) | 5.3 | 4.0 | 3.8 | 2.5 | 1.8 | 1.6 | 0.8 | 1.2 | 1.9 | 3.2 | 5.7 | 6.0 | 38.0 |
| Days with >0.01 | 18 | 15 | 17 | 14 | 11 | 9 | 5 | 6 | 8 | 11 | 18 | 18 | 151 |
| Monthly Snowfall (inches) | 2.9 | 0.9 | 6 | 0.0 | <0.05 | 0.0 | 0.0 | 0.0 | 0.0 | <0.05 | 0.7 | 2.2 | 7.3 |
Geology
Seattle is built on extrusive igneous rock: interlayered ash and pumice deposits, together with layers of basalt and andesite.
The North American plate boundary's edge is 912 kilometers off the coast of Seattle.
