condition mean min max 4 h after light 10.47625 10.3328 10.6197 8 h after light 11.85375 11.7366 11.9709 12 h after light 11.439150000000001 11.3755 11.5028 4 h after dark 11.09465 10.7007 11.4886 8 h after dark 12.766300000000001 12.2889 13.2437 12 h after dark 11.353950000000001 10.5586 12.1493