| Geyser | 1977-01-14 |
|---|---|
| Beehive | 1002 |
| Beehive's Indicator | 0955 |
| Castle | 1220 |
| Grand | 1230 ie |
| Old Faithful | 1049 short, 1208 long, 1316 long, 1423 long, 1547 long, 1658 short |
| Riverside | 1030 |
| Values for Old Faithful Area | 1977-01-14 |
|---|---|
| Astronomical Twilight Begin | 06:13 |
| Nautical Twilight Begin | 06:48 |
| Civil Twilight Begin | 07:24 |
| Sunrise | 07:56 |
| Sunset | 17:08 |
| Civil Twilight End | 17:40 |
| Nautical Twilight End | 18:16 |
| Astronomical Twilight End | 18:51 |
| Moon Illumination | 33.57% |