| Geyser | 1964-08-07 |
|---|---|
| Echinus | 0723, 0830, 0945, 1053, 1133, 1210, 1316, 1436, 1547, 1704 |
| Pinwheel | 1155, 1415 |
| Steamboat | 0715 |
| Values for Old Faithful Area | 1964-08-07 |
|---|---|
| Astronomical Twilight Begin | 03:19 |
| Nautical Twilight Begin | 04:04 |
| Civil Twilight Begin | 04:44 |
| Sunrise | 05:17 |
| Sunset | 19:40 |
| Civil Twilight End | 20:13 |
| Nautical Twilight End | 20:53 |
| Astronomical Twilight End | 21:38 |
| Moon Illumination | 0.36% |