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Geyser1977-05-09
Beehive1738
Castle0645 ie
Depression0945
Fountain1630
Grand0730, 1556
Old Faithful0740 short, 0859 long, 1012 short, 1056 long, 1217 short, 1310 long, 1435 short, 1527 short, 1649 long, 1802, 1906 long, 2020 short, 2107 long
Riverside1815
Values for Old Faithful Area1977-05-09
Astronomical Twilight Begin04:00
Nautical Twilight Begin04:48
Civil Twilight Begin05:29
Sunrise06:02
Sunset20:36
Civil Twilight End21:09
Nautical Twilight End21:51
Astronomical Twilight End22:38
Moon Illumination60.12%

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