condition mean min max 4 h after light 0.08685495 0.0804369 0.093273 8 h after light 0.114669 0.101862 0.127476 12 h after light 0.0 0.0 0.0 4 h after dark 0.094848 0.0 0.179699 8 h after dark 0.13466033333333333 0.0 0.217657 12 h after dark 0.0144732 0.0 0.0434196