condition mean min max 0 h after light 0.3136 0.292415 0.334785 4 h after light 0.23203649999999998 0.123559 0.340514 8 h after light 1.031062 0.743914 1.31821 4 h after dark 0.7195125 0.656432 0.782593 8 h after dark 0.6411655 0.45256 0.829771 12 h after dark 0.308792 0.250305 0.367279