| Geyser | 1976-04-23 |
|---|---|
| Beehive's Indicator | 1254 ie |
| Values for Old Faithful Area | 1976-04-23 |
|---|---|
| Astronomical Twilight Begin | 03:34 |
| Nautical Twilight Begin | 04:15 |
| Civil Twilight Begin | 04:54 |
| Sunrise | 05:25 |
| Sunset | 19:17 |
| Civil Twilight End | 19:49 |
| Nautical Twilight End | 20:27 |
| Astronomical Twilight End | 21:08 |
| Moon Illumination | 30.67% |