condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.051001833333333337 0.0320814 0.0866309 12 h after light 0.1099692 0.0479843 0.224685 4 h after dark 0.027945733333333334 0.0 0.0838372 8 h after dark 0.0442738 0.0 0.0696071 12 h after dark 0.039368433333333334 0.0 0.082468