condition mean min max 4 h after light 1.78339 1.61439 1.95239 8 h after light 2.2826199999999996 1.81588 2.74936 12 h after light 3.505815 3.47283 3.5388 4 h after dark 3.2512350000000003 3.01532 3.48715 8 h after dark 2.75238 2.6091 2.89566 12 h after dark 2.670715 2.50501 2.83642