condition mean min max 4 h after light 65.83539999999999 58.5186 73.1522 8 h after light 54.214200000000005 53.2537 55.1747 12 h after light 62.65965 58.5968 66.7225 4 h after dark 72.81065 62.7802 82.8411 8 h after dark 70.3232 69.6443 71.0021 12 h after dark 71.05715000000001 69.0705 73.0438