| Geyser | 1975-02-28 |
|---|---|
| Beehive | 0846 ie |
| Old Faithful | 0907 short, 0953 long, 1108 short, 1220 long, 1324 long, 1435 short, 1537 long, 1651 short, 1740, 1858 short, 1945 long, 2054 long |
| Vault | 1348 ie |
| Values for Old Faithful Area | 1975-02-28 |
|---|---|
| Astronomical Twilight Begin | 06:26 |
| Nautical Twilight Begin | 06:59 |
| Civil Twilight Begin | 07:33 |
| Sunrise | 08:02 |
| Sunset | 19:09 |
| Civil Twilight End | 19:38 |
| Nautical Twilight End | 20:11 |
| Astronomical Twilight End | 20:45 |
| Moon Illumination | 92.84% |