condition mean min max 3 h after light 1.3936256666666667 0.151697 2.12241 6 h after light 1.425873 0.839629 1.83352 9 h after light 0.9299029999999999 0.472666 1.3555 12 h after light 0.66968475 0.111224 2.17679 3 h after dark 0.47106566666666666 0.245427 0.859037 6 h after dark 1.179136 0.366818 1.59025 9 h after dark 1.90735 1.6764 2.06231 12 h after dark 2.438465 2.08178 2.79515