| Geyser | 1977-03-02 |
|---|---|
| Beehive | 1520 |
| Castle | 1628 |
| Grand | 1345 |
| Great Fountain | 1546 |
| Oblong | 1545 |
| Old Faithful | 0910 long, 1021 long, 1130 long, 1244 long, 1407, 1533 long, 1637 short |
| Riverside | 1425 |
| Spiteful | 1505 |
| Values for Old Faithful Area | 1977-03-02 |
|---|---|
| Astronomical Twilight Begin | 05:21 |
| Nautical Twilight Begin | 05:55 |
| Civil Twilight Begin | 06:29 |
| Sunrise | 06:58 |
| Sunset | 18:12 |
| Civil Twilight End | 18:41 |
| Nautical Twilight End | 19:15 |
| Astronomical Twilight End | 19:48 |
| Moon Illumination | 86.55% |