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Geyser1970-05-13
Great Fountain0930
Old Faithful0841 short, 0927 long, 1040 short, 1124 long, 1330 long, 1446 short, 1532 long, 1644 long
Values for Old Faithful Area1970-05-13
Astronomical Twilight Begin03:53
Nautical Twilight Begin04:42
Civil Twilight Begin05:24
Sunrise05:57
Sunset20:41
Civil Twilight End21:14
Nautical Twilight End21:56
Astronomical Twilight End22:45
Moon Illumination48.21%

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