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World record temperature change: Spearfish holds the world record for the fastest temperature change. On January 22, 1943 at about 7:30 a.m. MST, the temperature in Spearfish was -4° degrees F (-20°C). The chinook wind picked up speed rapidly, and two minutes later (7:32 a.m.) the temperature was +45°F above zero (+7°C). The 49-degree rise (27°C) in two minutes set a world record that still holds. By 9:00 a.m., the temperature had risen to 54°F (12°C). Suddenly, the chinook died down and the temperature tumbled back to -4°F (-20°C). The 58-degree drop (32°C) took only 27 minutes
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Spearfish Creek, is a fast moving creek that emerges from Spearfish Canyon at Spearfish. It runs roughly south to north through the center of town (parallel to Canyon Street), runs year round. The creek is unusual in that it freezes from the bottom up, instead of icing over.[who?] This unusual phenomenon occurs due to the very fast rate at which the creek flows. This speed prevents ice from forming except along the bottom of the creek bed where friction and turbulence allow the water to slow down long enough to freeze. Since the creek continues to flow atop this ice, the water level of the creek gradually rises as more ice accumulates on the bottom, in some cases causing flooding on the north side of town where the channel is not so deep.
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In the 20th Century, the history of Spearfish was tied very closely to mining and tourism. Architect Frank Lloyd Wright, who visited Spearfish Canyon (located between Spearfish and Deadwood) in 1935, later called the area "unique and unparalleled elsewhere in our country," and wondered "how is it that I've heard so little of this miracle and we, toward the Atlantic, have heard so much of the Grand Canyon when this is even more miraculous" |