condition mean min max 4 h after light 22.7287 19.5505 25.9069 8 h after light 9.05375 8.33201 9.77549 12 h after light 3.41723 3.0372 3.79726 4 h after dark 13.721933333333334 11.0242 16.2055 8 h after dark 10.32747 6.67641 12.8595 12 h after dark 16.374133333333333 12.4294 19.8229