condition mean min max 2 h after light 0.0011413741666666667 0.0 0.00554477 6 h after light 0.006168391 0.0 0.0315513 10 h after light 0.00329969 0.0 0.0140323 14 h after light 0.0 0.0 0.0 18 h after light 0.002284116666666667 0.0 0.0137047 2 h after dark 0.02603817333333333 0.0 0.153628