| Geyser | 2025-05-15 |
|---|---|
| Beehive's South Bubbler | 0652 |
| Daisy | 0459 wc, 0649 wc |
| Values for Old Faithful Area | 2025-05-15 | 2025-05-16 |
|---|---|---|
| Astronomical Twilight Begin | 03:48 | 03:46 |
| Nautical Twilight Begin | 04:38 | 04:36 |
| Civil Twilight Begin | 05:21 | 05:20 |
| Sunrise | 05:55 | 05:53 |
| Sunset | 20:44 | 20:45 |
| Civil Twilight End | 21:18 | 21:19 |
| Nautical Twilight End | 22:01 | 22:02 |
| Astronomical Twilight End | 22:51 | 22:53 |
| Moon Illumination | 94.04% | 88.56% |