condition mean min max 2 h after light 10.19803 8.29553 11.9296 6 h after light 9.710013333333332 7.08277 12.9521 10 h after light 9.564581666666667 7.9569 11.2174 14 h after light 9.1625 5.04209 12.1336 18 h after light 9.74945 6.91218 14.0561 2 h after dark 10.910816666666667 8.3316 11.7392