condition mean min max 4 h after light 38.603716500000004 31.934387 45.273046 8 h after light 27.485096 25.156375 29.813817 12 h after light 22.830862 22.13676 23.524964 4 h after dark 19.1042415 15.837832 22.370651 8 h after dark 16.7900475 11.965815 21.61428 12 h after dark 27.799832 27.799832 27.799832