condition mean min max 0 h after light 1.90185 1.123 2.6807 2 h after light 0.78885 0.0 1.5777 4 h after light 0.0347298 0.0 0.0694596 8 h after light 0.4185235 0.0 0.837047 12 h after light 0.3567005 0.0 0.713401 2 h after dark 0.0 0.0 0.0 4 h after dark 0.3003415 0.0 0.600683 8 h after dark 0.0 0.0 0.0 12 h after dark 0.111142 0.0 0.222284