condition mean min max 3 h after light 0.033834666666666666 0.0 0.0869648 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 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0048104666666666665 0.0 0.0144314 12 h after dark 0.0 0.0 0.0