condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.07237066666666667 0.0 0.217112 12 h after light 0.0 0.0 0.0 3 h after dark 0.3753833333333333 0.249373 0.627392 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0