condition mean min max 4 h after light 0.7536245 0.510897 0.996352 8 h after light 4.417565 4.23476 4.60037 12 h after light 9.95853 9.77846 10.1386 4 h after dark 8.568579999999999 8.29379 8.8196 8 h after dark 4.200026666666667 3.11999 5.52981 12 h after dark 1.0439593333333335 0.746298 1.20341