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Geyser1974-06-30
Bear Den0916
Constant0945, 1037, 1133, 1453, 1547, 1707
Echinus1012
Ledge 0800, 1617
Little Whirligig0912, 1116, 1258, 1434, 1549, 1737
Valentine0910, 1553
Whirligig1028, 1216, 1251, 1509, 1652
Values for Old Faithful Area1974-06-30
Astronomical Twilight Begin03:15
Nautical Twilight Begin04:17
Civil Twilight Begin05:05
Sunrise05:41
Sunset21:11
Civil Twilight End21:48
Nautical Twilight End22:36
Astronomical Twilight End23:38
Moon Illumination83.25%

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