Ramba uchinyora ndima iyi - Coats Observatory yakanga yakashongedzerwa nemidziyo yesayenzi yakawanda yokutarira denga reusiku nokuita zvinyorwa zvemamiriro okunze. Muna 1900 midziyo yokuongorora kudengenyeka kwenyika yakaiswa kuti inyore kudengenyeka kwenyika. Coats Observatory yakanga iri imwe yenhepfenyuro munyika yose iyo yakanyora kudengenyeka kwaSan Francisco kwa1906
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