condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.05395896666666667 0.0 0.116001 12 h after light 0.0 0.0 0.0 4 h after dark 0.127539 0.0 0.213983 8 h after dark 0.216978 0.187168 0.252863 12 h after dark 0.0 0.0 0.0