condition mean min max 0 h after light 1.962465 1.70821 2.21672 4 h after light 0.1681205 0.0 0.336241 8 h after light 0.59045 0.0 1.1809 4 h after dark 0.41933549999999997 0.336263 0.502408 8 h after dark 0.2526145 0.169353 0.335876 12 h after dark 0.166579 0.0 0.333158