condition mean min max 1 h after light 8.974529720500001 8.934527361 9.01453208 3 h after light 8.969895591 8.632144953 9.245108934 5 h after light 9.014958920666666 7.857266956 10.09711121 7 h after light 8.932128260333332 6.995368059 10.48647892 9 h after light 9.392998469 6.444636683 12.37847516 11 h after light 9.590166353666666 7.521822407999999 11.45882348 1 h after dark 10.059399035 7.4354709429999994 14.40854564 3 h after dark 9.003218373333333 7.568836181 9.761946793 5 h after dark 10.708431645666666 8.840888297000001 12.06245351 7 h after dark 9.655194189 8.476495087 10.26229243 9 h after dark 10.280969820666666 8.881262352 11.07805422 11 h after dark 9.397988849999999 8.025913556 11.15193995