| Geyser | 1972-05-07 |
|---|---|
| Old Faithful | 0832 long, 0950 long, 1045 long, 1200 long, 1303 long, 1420 long, 1509 long, 1621 long, 1705 long |
| Values for Old Faithful Area | 1972-05-07 |
|---|---|
| Astronomical Twilight Begin | 04:04 |
| Nautical Twilight Begin | 04:50 |
| Civil Twilight Begin | 05:31 |
| Sunrise | 06:04 |
| Sunset | 20:34 |
| Civil Twilight End | 21:07 |
| Nautical Twilight End | 21:48 |
| Astronomical Twilight End | 22:35 |
| Moon Illumination | 42.1% |