| Geyser | 1973-02-26 |
|---|---|
| Beehive | 1612 |
| Castle | 1400 ie |
| Grand | 1540 ie |
| Old Faithful | 0913 short, 1015 short, 1104 long, 1218 short, 1307 long, 1419 long, 1531 short, 1616 long |
| Values for Old Faithful Area | 1973-02-26 |
|---|---|
| Astronomical Twilight Begin | 05:28 |
| Nautical Twilight Begin | 06:02 |
| Civil Twilight Begin | 06:36 |
| Sunrise | 07:05 |
| Sunset | 18:07 |
| Civil Twilight End | 18:36 |
| Nautical Twilight End | 19:10 |
| Astronomical Twilight End | 19:43 |
| Moon Illumination | 39.27% |