| Geyser | 1971-05-14 |
|---|---|
| Beehive | 1120 |
| Castle | 1155 |
| Fountain | 1454 ie |
| Grand | 1455 ie |
| Old Faithful | 0837 long, 0950 long, 1108 short, 1219, 1330 short, 1417 long, 1533 short, 1634 |
| White Dome | 1458 |
| Values for Old Faithful Area | 1971-05-14 |
|---|---|
| Astronomical Twilight Begin | 03:51 |
| Nautical Twilight Begin | 04:41 |
| Civil Twilight Begin | 05:23 |
| Sunrise | 05:57 |
| Sunset | 20:42 |
| Civil Twilight End | 21:15 |
| Nautical Twilight End | 21:58 |
| Astronomical Twilight End | 22:47 |
| Moon Illumination | 85.54% |