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Anemone-Big0613 wc, 0816 ns wc, 0844 wc, 1027 wc, 1511 wc, 1540 wc, 1716 wc, 1801 wc, 1820 wc, 1933 wc
Anemone-Little0727 ie wc, 0829 ie wc, 0915 ie wc, 1614 ie wc, 1811 ie wc
Artemisia1045 ie wc
Aurum1146 ns wc
Bulger0537 wc min, 0549 wc min, 0601 wc min, 0742 wc min, 0749 wc min, 0758 wc min, 0822 wc min, 0856 wc min, 0923 wc min, 0951 ie wc maj, 1036 ie wc,  1524-1703, 1524 ie wc maj
Bulger's Hole1527 ie wc
Castle0345 ie wc maj, 1736 ns wc maj
Daisy0108 E, 0335 E, 0545 wc, 0800 ie wc, 1014 wc, 1225 wc, 1433 E, 1656 wc, 1908 E, 2122 wc, 2337 E
Depression1502 ie wc, 2012 ie wc
Event Non-Geyser Related 1540-1554,  1601
Fountain0610 E, 0948 E, 1447 E, 1845 E
Grand0426 ie wc, 1050 wc, 1653 wc, 2301 E
Grotto0556 ie wc
Lion0046 ie wc, 0455 wc, 0609 wc, 1321 ie wc ini, 1554 wc min, 2021 wc ini, 2153 wc
Little Cub1326 wc, 1359 ie wc, 1534 ie wc, 1606 wc, 1710 ie wc
Marmot Cave0714 ie wc, 0913 ie wc, 1619 ie wc, 1927 ie wc, 1959 ie wc
Old Faithful0638 wc long, 0809 wc long, 0943 wc long, 1119 wc, 1249 wc, 1433 wc long, 1556 ns wc long, 1730 wc long, 1907 wc long, 2032 ie wc, 2209 wc long
Old Tardy0616 ie wc, 0822 ns wc, 1001 wc, 1533 ie wc
Riverside1020 ie wc, 1608 ie wc
Scissors 1513
Split Cone1951 ie wc
Sprinkler0801 ns wc, 0855 wc, 1648 ie wc
Three Crater1206 wc, 1948 ie wc, 2004 wc
Values for Old Faithful Area2020-05-15
Astronomical Twilight Begin03:47
Nautical Twilight Begin04:38
Civil Twilight Begin05:20
Civil Twilight End21:18
Nautical Twilight End22:01
Astronomical Twilight End22:51
Moon Illumination43.58%

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