| Geyser | 1972-10-03 |
|---|---|
| Bear Den | 0832 |
| Beehive | 1349 |
| Castle | 1600 |
| Echinus | 0850, 1042, 1544 |
| Fan-Norris | 0905 |
| Ledge | 0900 |
| Old Faithful | 0740, 0846, 0937, 1058, 1150, 1306, 1353, 1503, 1616, 1716 |
| Values for Old Faithful Area | 1972-10-03 |
|---|---|
| Astronomical Twilight Begin | 05:47 |
| Nautical Twilight Begin | 06:21 |
| Civil Twilight Begin | 06:55 |
| Sunrise | 07:24 |
| Sunset | 19:00 |
| Civil Twilight End | 19:29 |
| Nautical Twilight End | 20:02 |
| Astronomical Twilight End | 20:36 |
| Moon Illumination | 16.16% |