condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.012841966666666668 0.0 0.0770518 10 h after light 0.0 0.0 0.0 14 h after light 0.0 0.0 0.0 18 h after light 0.012408933333333332 0.0 0.0744536 2 h after dark 0.03489713333333333 0.0 0.110189