condition mean min max 4 h after light 3.148765 3.041621 3.341197 8 h after light 3.243393666666667 2.5309150000000002 4.556706 12 h after light 1.5137163333333334 1.402714 1.637683 16 h after light 3.0966349999999996 2.622223 3.6673379999999995 4 h after dark 2.5325266666666666 2.315943 2.870895 8 h after dark 1.856253 1.647248 2.2716849999999997