| Geyser | 1972-06-12 |
|---|---|
| Grand | 2007 |
| Guardian | 0200 A |
| Ledge | 0200 A |
| Old Faithful | 0756, 0902, 1009, 1119, 1232, 1320, 1444, 1525, 1653, 1738 long, 1802 |
| Valentine | 0000, 0200 A |
| Values for Old Faithful Area | 1972-06-12 |
|---|---|
| Astronomical Twilight Begin | 03:10 |
| Nautical Twilight Begin | 04:13 |
| Civil Twilight Begin | 05:01 |
| Sunrise | 05:37 |
| Sunset | 21:08 |
| Civil Twilight End | 21:44 |
| Nautical Twilight End | 22:33 |
| Astronomical Twilight End | 23:35 |
| Moon Illumination | 0.84% |