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Geyser1973-02-20
Castle1440
Grand1200
Old Faithful0926 short, 1037 short, 1136 long, 1246 short, 1338 long, 1452 short, 1543 long, 1654 short
Riverside1045
Values for Old Faithful Area1973-02-20
Astronomical Twilight Begin05:38
Nautical Twilight Begin06:11
Civil Twilight Begin06:45
Sunrise07:15
Sunset17:59
Civil Twilight End18:28
Nautical Twilight End19:02
Astronomical Twilight End19:36
Moon Illumination90.61%

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