condition mean min max 0 h after light 0.890412 0.822708 0.958116 4 h after light 3.50894 2.83395 4.18393 8 h after light 2.25784 1.67195 2.84373 4 h after dark 3.030195 2.83413 3.22626 8 h after dark 1.352014 0.951578 1.75245 12 h after dark 1.482745 1.09352 1.87197