| Geyser | 1972-10-13 |
|---|---|
| Beehive | 1136 |
| Old Faithful | 0939, 1047, 1132, 1252, 1356, 1441, 1601, 1649, 1804 |
| Values for Old Faithful Area | 1972-10-13 |
|---|---|
| Astronomical Twilight Begin | 05:59 |
| Nautical Twilight Begin | 06:33 |
| Civil Twilight Begin | 07:07 |
| Sunrise | 07:36 |
| Sunset | 18:42 |
| Civil Twilight End | 19:11 |
| Nautical Twilight End | 19:45 |
| Astronomical Twilight End | 20:19 |
| Moon Illumination | 28.71% |