condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 10 h after light 0.03357933333333333 0.0 0.201476 14 h after light 0.06252966666666666 0.0 0.375178 18 h after light 0.0 0.0 0.0 2 h after dark 0.0570735 0.0 0.342441