condition mean min max 4 h after light 13.3368 10.013 16.6606 8 h after light 9.240504999999999 8.82129 9.65972 12 h after light 9.99189 8.62248 11.3613 4 h after dark 11.5664 11.0964 12.0364 8 h after dark 17.01605 14.7204 19.3117 12 h after dark 12.9224 11.5172 14.3276