condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.049798666666666665 0.0 0.149396 12 h after light 0.04887533333333333 0.0 0.146626 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0