condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.027759633333333335 0.0 0.0832789 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.12276663333333333 0.0947527 0.17879 6 h after dark 0.0136434 0.0 0.0409302 9 h after dark 0.023203433333333332 0.0 0.0696103 12 h after dark 0.0234593 0.0 0.0469186