condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.082017 0.0 0.164034 4 h after dark 0.164511 0.0 0.345796 8 h after dark 0.29213533333333336 0.0 0.876406 12 h after dark 0.43368999999999996 0.0 1.30107