condition mean min max 0 h after light 2.5060700000000002 2.00136 3.01078 4 h after light 5.64607 4.93674 6.3554 8 h after light 8.344674999999999 5.59765 11.0917 4 h after dark 7.61448 6.33356 8.8954 8 h after dark 9.933465 7.75033 12.1166 12 h after dark 3.114725 2.53642 3.69303