condition mean min max 0 h after light 0.1550145 0.149302 0.160727 2 h after light 0.0 0.0 0.0 4 h after light 0.075851 0.0 0.151702 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.074463 0.0 0.148926 8 h after dark 0.16793 0.0 0.33586 12 h after dark 0.468966 0.459817 0.478115