| Geyser | 1972-03-17 |
|---|---|
| Old Faithful | 1014 short, 1115 long, 1230 short, 1315 long, 1427 short, 1519 long, 1626 short |
| Values for Old Faithful Area | 1972-03-17 |
|---|---|
| Astronomical Twilight Begin | 04:53 |
| Nautical Twilight Begin | 05:28 |
| Civil Twilight Begin | 06:02 |
| Sunrise | 06:31 |
| Sunset | 18:32 |
| Civil Twilight End | 19:01 |
| Nautical Twilight End | 19:34 |
| Astronomical Twilight End | 20:09 |
| Moon Illumination | 4.86% |