condition mean min max 0 h after light 0.1295985 0.0 0.259197 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.1333325 0.0 0.266665 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.129272 0.0 0.258544 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0