condition mean min max 0 h after light 13.57615 11.2284 15.9239 2 h after light 6.259505 5.72523 6.79378 4 h after light 6.28159 5.79981 6.76337 8 h after light 6.270485 5.41609 7.12488 12 h after light 11.5653 10.467 12.6636 2 h after dark 13.15185 11.2136 15.0901 4 h after dark 13.1251 11.6967 14.5535 8 h after dark 16.9717 16.7009 17.2425 12 h after dark 13.5979 12.6317 14.5641