condition mean min max 0 h after light 1.0408685 0.947907 1.13383 2 h after light 0.88866 0.827728 0.949592 4 h after light 0.5772625 0.53508 0.619445 8 h after light 2.495945 1.95787 3.03402 12 h after light 3.774775 3.70236 3.84719 2 h after dark 3.7696249999999996 3.41884 4.12041 4 h after dark 2.95012 2.32827 3.57197 8 h after dark 2.3397300000000003 1.59939 3.08007 12 h after dark 1.323305 1.29749 1.34912