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Geyser1970-08-30
Bear Den 1800
Castle1325
Echinus0930, 1130, 1320, 1515, 1613
Grand1455
Great Fountain0931
Old Faithful0815 long, 0937 short, 1025 long, 1133 short, 1225 short, 1332 short, 1442 long, 1556 short, 1640 long, 1802 short, 1845 short, 2005 short, 2046 long
Riverside0730, 1345
Values for Old Faithful Area1970-08-30
Astronomical Twilight Begin04:58
Nautical Twilight Begin05:37
Civil Twilight Begin06:13
Sunrise06:43
Sunset20:04
Civil Twilight End20:34
Nautical Twilight End21:10
Astronomical Twilight End21:49
Moon Illumination2.49%

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