| Geyser | 1972-05-08 |
|---|---|
| Minute | 0830 |
| Old Faithful | 0917 long, 1030 long, 1116 long, 1234 long, 1327 long, 1450 long, 1529 long, 1645 long |
| Palpitator Spring | 0840 |
| Rubble | 0916, 0916:30 |
| Values for Old Faithful Area | 1972-05-08 |
|---|---|
| Astronomical Twilight Begin | 04:02 |
| Nautical Twilight Begin | 04:49 |
| Civil Twilight Begin | 05:30 |
| Sunrise | 06:03 |
| Sunset | 20:36 |
| Civil Twilight End | 21:08 |
| Nautical Twilight End | 21:50 |
| Astronomical Twilight End | 22:37 |
| Moon Illumination | 31.45% |