condition mean min max 4 h after light 1.4796865000000001 0.875013 2.08436 8 h after light 2.456865 2.21823 2.6955 12 h after light 3.2567399999999997 3.09374 3.41974 4 h after dark 4.209025 3.98678 4.43127 8 h after dark 1.84333 1.54979 2.13687 12 h after dark 1.471635 1.12884 1.81443