condition mean min max 0 h after light 18.60165 15.9977 21.2056 2 h after light 39.38145 31.3791 47.3838 4 h after light 31.44705 30.6532 32.2409 8 h after light 21.75785 19.8714 23.6443 12 h after light 14.3027 14.1787 14.4267 2 h after dark 22.7065 18.2795 27.1335 4 h after dark 23.57295 20.4192 26.7267 8 h after dark 17.0026 16.6717 17.3335 12 h after dark 19.8375 15.9545 23.7205