condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.0983115 0.0 0.196623 8 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0974095 0.0 0.194819