condition mean min max 4 h after light 87.670163 71.154996 104.18533 8 h after light 83.759389 80.175704 87.343074 12 h after light 73.7857315 66.926364 80.645099 4 h after dark 93.4961385 91.924412 95.067865 8 h after dark 106.228013 93.608585 118.847441 12 h after dark 84.505709 84.505709 84.505709