condition mean min max 4 h after light 0.8393795 0.836825 0.841934 8 h after light 0.8089135000000001 0.779204 0.838623 12 h after light 0.8282349999999999 0.56555 1.09092 4 h after dark 0.678573 0.549851 0.866187 8 h after dark 0.6467766666666667 0.513112 0.76122 12 h after dark 0.9136026666666667 0.743927 1.18645