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 0.07182033333333333 0.0 0.215461 12 h after light 0.0 0.0 0.0 3 h after dark 0.09103133333333334 0.0 0.273094 6 h after dark 0.0907 0.0 0.2721 9 h after dark 0.216648 0.0 0.401239 12 h after dark 0.1352215 0.0 0.270443