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Geyser1977-10-02
Blue Mud Steam Vent 1200
Emerald Spring 1200
Yellow Funnel Spring 1200
Values for Old Faithful Area1977-10-02
Astronomical Twilight Begin05:45
Nautical Twilight Begin06:19
Civil Twilight Begin06:53
Sunrise07:22
Sunset19:02
Civil Twilight End19:31
Nautical Twilight End20:05
Astronomical Twilight End20:39
Moon Illumination78%

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