| Geyser | 1976-03-15 |
|---|---|
| Beehive | 1253 |
| Depression | 1007 |
| Old Faithful | 0714 long, 0821, 0912 long, 1042 long, 1152 short, 1253 long, 1415 short, 1511 long |
| Riverside | 1105 |
| Values for Old Faithful Area | 1976-03-15 |
|---|---|
| Astronomical Twilight Begin | 04:57 |
| Nautical Twilight Begin | 05:31 |
| Civil Twilight Begin | 06:05 |
| Sunrise | 06:34 |
| Sunset | 18:29 |
| Civil Twilight End | 18:58 |
| Nautical Twilight End | 19:32 |
| Astronomical Twilight End | 20:06 |
| Moon Illumination | 98.93% |