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 0.067778 0.0 0.10167 12 h after light 0.0 0.0 0.0 3 h after dark 0.15549033333333334 0.0 0.466471 6 h after dark 0.06332166666666666 0.0 0.189965 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0