condition mean min max 2 h after light 1.6636389999999999 0.820404 3.25012 6 h after light 2.264123 0.996278 4.03039 10 h after light 1.3658558333333333 0.810861 2.19548 14 h after light 1.1505263333333333 0.778165 1.47759 18 h after light 1.1383465 0.827125 1.53586 2 h after dark 1.497495 1.17877 1.94042