condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0524155 0.0 0.104831 2 h after dark 0.107458 0.0 0.214916 4 h after dark 0.10032 0.0 0.20064 8 h after dark 0.0587 0.0 0.1174 12 h after dark 0.0535765 0.0 0.107153