condition mean min max 4 h after light 10.776265 9.61133 11.9412 8 h after light 7.81006 7.46591 8.15421 12 h after light 8.859815 8.27606 9.44357 4 h after dark 10.438889999999999 8.88497 11.817 8 h after dark 15.556666666666667 14.863 16.1768 12 h after dark 14.3904 13.3136 15.2899