condition mean min max 4 h after light 1.356945 1.31635 1.39754 8 h after light 0.3757685 0.26111 0.490427 12 h after light 0.071494 0.0 0.142988 4 h after dark 0.0188506 0.0 0.0565518 8 h after dark 0.15949286666666665 0.0 0.418695 12 h after dark 0.87474 0.0 1.31382