condition mean min max 3 h after light 1.0135923333333334 0.833675 1.30987 6 h after light 0.899966 0.617988 1.05844 9 h after light 1.26634 0.55663 1.90034 12 h after light 1.430815 1.08432 1.74642 3 h after dark 1.2187533333333334 1.15132 1.34878 6 h after dark 1.9128333333333334 1.79214 2.12245 9 h after dark 1.7380233333333335 1.41555 1.93032 12 h after dark 1.0234895 0.854339 1.19264