condition mean min max 4 h after light 4.33892 4.29113 4.39583 8 h after light 4.2234799999999995 4.13967 4.32745 12 h after light 4.324426666666667 4.28953 4.36412 4 h after dark 4.49967 4.34661 4.7203599999999994 8 h after dark 4.4758 4.23417 4.8326199999999995 12 h after dark 4.34251 4.28055 4.44463