| Geyser | 1966-09-02 |
|---|---|
| Echinus | 0851, 0956, 1102, 1205, 1310, 1413, 1517, 1624 |
| Harding | 0800, 1250 |
| Ledge | 1900 ie |
| Steamboat | 0915 |
| Valentine | 1400 A |
| Values for Old Faithful Area | 1966-09-02 |
|---|---|
| Astronomical Twilight Begin | 05:03 |
| Nautical Twilight Begin | 05:41 |
| Civil Twilight Begin | 06:17 |
| Sunrise | 06:46 |
| Sunset | 19:59 |
| Civil Twilight End | 20:28 |
| Nautical Twilight End | 21:04 |
| Astronomical Twilight End | 21:42 |
| Moon Illumination | 95.56% |