| Geyser | 1976-02-18 |
|---|---|
| Grand | 1517 ie |
| Lion | 1308, 1504 |
| Old Faithful | 0859 long, 1014 long, 1126 long, 1243 short, 1334 long, 1459 short, 1546 long |
| Values for Old Faithful Area | 1976-02-18 |
|---|---|
| Astronomical Twilight Begin | 05:42 |
| Nautical Twilight Begin | 06:15 |
| Civil Twilight Begin | 06:49 |
| Sunrise | 07:19 |
| Sunset | 17:55 |
| Civil Twilight End | 18:24 |
| Nautical Twilight End | 18:58 |
| Astronomical Twilight End | 19:32 |
| Moon Illumination | 90.53% |