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Geyser1972-09-30
Beehive1230
Echinus1005
Grand1145
Old Faithful0807 long, 0920 short, 1015 long, 1129 short, 1232 long, 1342 short, 1443 long, 1551 long, 1659 long
Riverside1220
Round1353
Valentine0300 A
Veteran1035, 1040
Values for Old Faithful Area1972-09-30
Astronomical Twilight Begin05:43
Nautical Twilight Begin06:17
Civil Twilight Begin06:51
Sunrise07:20
Sunset19:05
Civil Twilight End19:34
Nautical Twilight End20:08
Astronomical Twilight End20:42
Moon Illumination45.2%

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