condition mean min max 0 h after light 0.753058 0.668722 0.837394 4 h after light 1.2651795000000001 0.741739 1.78862 8 h after light 0.7999890000000001 0.578898 1.02108 4 h after dark 1.3180775 0.985155 1.651 8 h after dark 2.0664800000000003 1.99248 2.14048 12 h after dark 1.28027 1.22489 1.33565