condition mean min max 0 h after light 12.4952 11.2689 13.7215 2 h after light 9.710080000000001 9.09036 10.3298 4 h after light 9.86926 9.06032 10.6782 8 h after light 9.872075 8.06365 11.6805 12 h after light 19.4131 17.6764 21.1498 2 h after dark 16.1216 15.7316 16.5116 4 h after dark 14.646650000000001 12.4535 16.8398 8 h after dark 17.1963 14.7868 19.6058 12 h after dark 15.077649999999998 14.6871 15.4682