condition mean min max 3 h after light 0.7167486666666667 0.178477 1.13593 6 h after light 0.6770943333333334 0.364619 1.15369 9 h after light 1.376057 0.920681 2.04747 12 h after light 1.2566535 0.512013 2.35603 3 h after dark 1.1458276666666667 0.509803 1.81286 6 h after dark 0.7392723333333333 0.563475 0.837612 9 h after dark 1.65043 1.08705 2.57974 12 h after dark 1.149845 1.0427 1.25699