condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.026380533333333334 0.0 0.0791416 6 h after dark 0.0 0.0 0.0 9 h after dark 0.082151 0.0 0.144147 12 h after dark 0.0305121 0.0 0.0610242