| Geyser | 1974-12-09 |
|---|---|
| Castle | 1017 ie, 1930 ie |
| Old Faithful | 0954 long, 1107 short, 1157 long, 1316 long, 1429 long, 1532 long, 1644 long, 1803 short, 1851 long, 2009 short, 2056 long, 2211 short |
| Values for Old Faithful Area | 1974-12-09 |
|---|---|
| Astronomical Twilight Begin | 06:02 |
| Nautical Twilight Begin | 06:38 |
| Civil Twilight Begin | 07:14 |
| Sunrise | 07:47 |
| Sunset | 16:43 |
| Civil Twilight End | 17:16 |
| Nautical Twilight End | 17:53 |
| Astronomical Twilight End | 18:28 |
| Moon Illumination | 20.16% |