| Geyser | 1973-10-03 |
|---|---|
| Dabble | 1800 |
| Echinus | 1058, 1609 ? |
| Orby | 1200 |
| Steamboat | 1030 |
| Yellow Funnel Spring | 1800 |
| Values for Old Faithful Area | 1973-10-03 |
|---|---|
| Astronomical Twilight Begin | 05:47 |
| Nautical Twilight Begin | 06:21 |
| Civil Twilight Begin | 06:54 |
| Sunrise | 07:23 |
| Sunset | 19:00 |
| Civil Twilight End | 19:29 |
| Nautical Twilight End | 20:03 |
| Astronomical Twilight End | 20:37 |
| Moon Illumination | 38.93% |