condition mean min max 3 h after light 9.330006666666666 7.71206 11.0041 6 h after light 16.2336 11.5793 20.1177 9 h after light 30.2785 19.4888 39.8763 12 h after light 27.21295 10.852 34.9408 3 h after dark 33.9706 26.822 39.8743 6 h after dark 14.495833333333334 12.2871 15.6696 9 h after dark 7.506706666666667 4.40023 9.11611 12 h after dark 6.332765 5.92097 6.74456