condition mean min max 4 h after light 2.765560333333333 2.670713 2.916048 8 h after light 2.070209 1.5269190000000001 2.38568 12 h after light 3.400059333333333 1.820168 4.691927 16 h after light 2.7565423333333334 2.367296 3.272557 4 h after dark 2.470585 2.143991 2.7572669999999997 8 h after dark 1.7431119999999998 1.451946 2.1274759999999997