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Located in the Goose Hollow neighborhood, [1] the tunnels pass through a hillside locally known as Vista Ridge which is a half mile (1 km) west of downtown Portland. Sunset Highway, also known as U.S. Route 26, is carried through the tunnels, three lanes in each direction. They are Oregon's busiest tunnels.
The above relation implies that on the same day, the lengths of daytime from sunrise to sunset at and sum to 24 hours if =, and this also applies to regions where polar days and polar nights occur. This further suggests that the global average of length of daytime on any given day is 12 hours without considering the effect of atmospheric ...
The Road Lighting Act 1942 stipulated 1 hour after sunset/before sunrise. It was amended to 30 minutes by the Road Traffic Act 1956 because of the increasing speed of traffic. These were the required times for showing all lights on all vehicles, including bicycles and horse-drawn carts, hence the name lighting-up time.
For many years, three steam locomotives and other historic rail equipment were kept near the amusement park on City of Portland owned park land (called Oaks Pioneer Park), on static display. These included Southern Pacific 4449 , from 1958 to 1974; Spokane, Portland and Seattle 700 , from 1958 to 1986; and Oregon Railroad & Navigation Co. 197 ...
Calculate the sunset time, which is the solar noon time plus the sunset hour angle in degree divided by 15; Use the sunset time as input to the solar geometry routine to get the solar azimuth angle at sunset. An interesting feature in the figure on the right is apparent hemispheric symmetry in regions where daily sunrise and sunset actually occur.
Dawn is the time that marks the beginning of twilight before sunrise. It is recognized by the appearance of indirect sunlight being scattered in Earth's atmosphere, when the centre of the Sun's disc has reached 18° below the observer's horizon. [1] This morning twilight period will last until sunrise (when the Sun's upper limb breaks the ...
Sunset Beach State Recreation Site is a state park in Clatsop County, Oregon, United States, administered by the Oregon Parks and Recreation Department. The park comprises 120 acres (49 ha) along the Pacific Ocean on the Clatsop Plains. In February 2024, a male fin whale washed onto the beach. The 46 foot (14 metres) endangered mammal was ...
The White Stag Sign at night in 2010, with a simulated "red nose" (of neon) in imitation of the character Rudolph the Red-Nosed Reindeer. The day when a "red nose" is placed on the White Stag sign as an imitation of Rudolph the Red-Nosed Reindeer has become known as "Nose Day" and "is how most Portlanders know that the Christmas season has arrived", according to The Oregonian.