| Geyser | 1970-05-11 |
|---|---|
| Castle | 0700 |
| Old Faithful | 0806 short, 0849 long, 1012 short, 1056 long, 1208 long, 1309 long, 1415 short, 1515 long, 1636 short |
| Riverside | 1500 |
| Spiteful | 0920 |
| West Flood | 1529 |
| Values for Old Faithful Area | 1970-05-11 |
|---|---|
| Astronomical Twilight Begin | 03:57 |
| Nautical Twilight Begin | 04:45 |
| Civil Twilight Begin | 05:27 |
| Sunrise | 06:00 |
| Sunset | 20:38 |
| Civil Twilight End | 21:12 |
| Nautical Twilight End | 21:53 |
| Astronomical Twilight End | 22:41 |
| Moon Illumination | 29.79% |