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 0.035516066666666665 0.0 0.0807106 12 h after light 0.06348683333333334 0.0380771 0.0992355 3 h after dark 0.061980433333333335 0.03457 0.0785392 6 h after dark 0.021685 0.0 0.065055 9 h after dark 0.03446933333333333 0.0 0.103408 12 h after dark 0.0 0.0 0.0