condition mean min max 3 h after light 1.21609 1.12313 1.39876 6 h after light 1.84974 1.49866 2.21771 9 h after light 4.4011700000000005 3.95405 5.06489 12 h after light 5.85892575 0.989003 8.51431 3 h after dark 8.29044 6.90424 9.34596 6 h after dark 8.16109 7.27128 8.76474 9 h after dark 3.8486433333333334 3.08075 4.50029 12 h after dark 1.1479780000000002 0.971786 1.32417