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Geyser1977-01-10
Castle1509
Grand1000
Old Faithful0758 long, 0908 short, 0955 long, 1110 short, 1220 long, 1326 long, 1443 long, 1556 short, 1646 long, 1813 long
Plume0904, 0928, 0954
Values for Old Faithful Area1977-01-10
Astronomical Twilight Begin06:14
Nautical Twilight Begin06:49
Civil Twilight Begin07:25
Sunrise07:58
Sunset17:03
Civil Twilight End17:36
Nautical Twilight End18:12
Astronomical Twilight End18:47
Moon Illumination76.77%

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