condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.02157645 0.0 0.0431529 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.02051445 0.0 0.0410289