condition mean min max 0 h after light 0.0392486 0.0 0.0784972 4 h after light 6.22e-08 0.0 1.244e-07 8 h after light 0.0787832 0.077661 0.0799054 4 h after dark 0.0 0.0 0.0 8 h after dark 0.03898075 0.0 0.0779615 12 h after dark 0.077538 0.0766842 0.0783918