condition mean min max 4 h after light 9.959128 9.188275 10.729981 8 h after light 10.480069499999999 10.363028 10.597111 12 h after light 10.769563999999999 10.393078 11.14605 4 h after dark 11.76272 11.438308 12.087132 8 h after dark 9.741943 9.303192 10.180694 12 h after dark 10.565865 10.565865 10.565865