condition mean min max 4 h after light 0.0220177 0.0161612 0.0278742 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.029561833333333332 0.0 0.0886855