condition mean min max 0 h after light 0.10556455 0.0704601 0.140669 4 h after light 0.1756845 0.143331 0.208038 8 h after light 0.0 0.0 0.0 4 h after dark 0.588524 0.483543 0.693505 8 h after dark 0.1044899 0.0692708 0.139709 12 h after dark 0.30996055 0.0702401 0.549681