condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.146609 0.0 0.31518 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.12734066666666666 0.0 0.382022 12 h after dark 0.014268533333333333 0.0 0.0428056