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Geyser1974-07-02
Arch Steam Vent0000,  1800
Constant1140, 1206, 1705
Echinus1200, 1325, 1458, 1629
Ledge0955
Little Whirligig1015 A, 1130, 1234, 1415 A, 1532, 1703, 1747
Porkchop1000 ie
Whirligig1040, 1130, 1217, 1451, 1616, 1655, 1731
Values for Old Faithful Area1974-07-02
Astronomical Twilight Begin03:17
Nautical Twilight Begin04:18
Civil Twilight Begin05:06
Sunrise05:42
Sunset21:11
Civil Twilight End21:48
Nautical Twilight End22:36
Astronomical Twilight End23:37
Moon Illumination95.18%

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