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Geyser1971-09-01
Africa1905
Beehive1707
Castle0745, 1647
Cliff1930 ie
Depression0955
Echinus2140
Grand0355
Guardian1855, 2200 A
Old Faithful0825 short, 0916 long, 1028 short, 1123 long, 1247 short, 1332 long, 1449 short, 1534 long, 1647 long, 1753 short, 1855 short, 1947 long
Riverside1320 ie
Valentine2230 A
Values for Old Faithful Area1971-09-01
Astronomical Twilight Begin05:01
Nautical Twilight Begin05:39
Civil Twilight Begin06:15
Sunrise06:45
Sunset20:01
Civil Twilight End20:31
Nautical Twilight End21:07
Astronomical Twilight End21:45
Moon Illumination80.31%

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