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Geyser1975-09-27
Castle1455 ie
Corporal 1800
Echinus1329, 1446, 1558
Grand0822, 1625
Great Fountain0931, 1845
Minute 1800
Old Faithful0921, 1013 long, 1139 short, 1227 long, 1337 short, 1439 long, 1547 long
Riverside0548, 1152
Values for Old Faithful Area1975-09-27
Astronomical Twilight Begin05:38
Nautical Twilight Begin06:13
Civil Twilight Begin06:47
Sunrise07:15
Sunset19:12
Civil Twilight End19:41
Nautical Twilight End20:15
Astronomical Twilight End20:50
Moon Illumination62.7%

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