condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.3646087 0.0796401 0.545996 8 h after dark 0.16669266666666666 0.145775 0.188971 12 h after dark 0.6545166666666666 0.0 1.96355