condition mean min max 3 h after light 0.226336 0.18616 0.292495 6 h after light 0.336998 0.132357 0.492244 9 h after light 0.746176 0.655551 0.870072 12 h after light 0.6823795 0.121424 1.05201 3 h after dark 0.42748 0.301199 0.602369 6 h after dark 0.4892456666666667 0.0 1.07743 9 h after dark 0.35989166666666667 0.13715 0.553165 12 h after dark 0.265261 0.232247 0.298275