condition mean min max 2 h after light 0.14020666666666667 0.0 0.321706 6 h after light 0.238235 0.0 0.613421 10 h after light 0.0450985 0.0 0.144308 14 h after light 0.075334 0.0 0.170989 18 h after light 0.022951833333333335 0.0 0.137711 2 h after dark 0.22165733333333332 0.0 0.50733