| Geyser | 1973-01-11 |
|---|---|
| Beehive | 1305 |
| Grand | 1245 |
| Old Faithful | 0911 short, 0959 long, 1111 long, 1216 long, 1331 short, 1417 long, 1530 short, 1624 long |
| Values for Old Faithful Area | 1973-01-11 |
|---|---|
| Astronomical Twilight Begin | 06:14 |
| Nautical Twilight Begin | 06:49 |
| Civil Twilight Begin | 07:25 |
| Sunrise | 07:57 |
| Sunset | 17:04 |
| Civil Twilight End | 17:37 |
| Nautical Twilight End | 18:13 |
| Astronomical Twilight End | 18:48 |
| Moon Illumination | 39.82% |