condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.01507315 0.0 0.0301463 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.03431533333333333 0.0 0.102946 12 h after dark 0.0 0.0 0.0