| Geyser | 1970-05-14 |
|---|---|
| Castle | 1530 |
| Grand | 1615 |
| Great Fountain | 1937 |
| Lion | 0814 |
| Old Faithful | 0808 long, 0924 short, 1024 long, 1137 short, 1227 long, 1342 short, 1433 long, 1544 long, 1700 short |
| Round | 0915 |
| Values for Old Faithful Area | 1970-05-14 |
|---|---|
| Astronomical Twilight Begin | 03:51 |
| Nautical Twilight Begin | 04:40 |
| Civil Twilight Begin | 05:23 |
| Sunrise | 05:56 |
| Sunset | 20:42 |
| Civil Twilight End | 21:15 |
| Nautical Twilight End | 21:58 |
| Astronomical Twilight End | 22:47 |
| Moon Illumination | 57.67% |