50th parallel north
At this latitude the sun is visible for 16 hours, 22 minutes during the summer solstice and 8 hours, 4 minutes during the winter solstice. The maximum altitude of the sun on the summer solstice is 63.5 degrees and on the winter solstice it is 16.5 degrees.
At this latitude, the average sea surface temperature between 1982 and 2011 was about 8.5°C (47.3°F).
Around the world
Starting at the Prime Meridian and heading eastwards, the parallel 50° north passes through:
Sakhalin island has historically been Russian territory. As a result of the 1905 Treaty of Portsmouth that brought an end to the Russo-Japanese War, the portion of the island south of the 50th parallel line became Japanese territory, part of Karafuto Prefecture. However, following the month long Soviet–Japanese War during the summer of 1945, the entire island was reunified under Soviet control.
- "Duration of Daylight/Darkness Table for One Year". aa.usno.navy.mil.
- "Earth-Sun geometry - The Encyclopedia of Earth". www.eoearth.org.
- Sevela, Mariya. "Sakhalin: the Japanese Under Soviet Rule". History Today. Retrieved 10 May 2014.
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