condition mean min max 0 h after light 9.966785 9.35247 10.5811 2 h after light 12.03225 10.9346 13.1299 4 h after light 17.01165 16.5951 17.4282 8 h after light 11.535015 9.89223 13.1778 12 h after light 17.3913 16.2204 18.5622 2 h after dark 9.189515 8.9763 9.40273 4 h after dark 10.588405 9.95571 11.2211 8 h after dark 12.9958 10.6485 15.3431 12 h after dark 13.88425 13.2637 14.5048