condition mean min max 0 h after light 105.667 102.583 108.751 4 h after light 95.1351 83.9272 106.343 8 h after light 66.93455 66.1758 67.6933 4 h after dark 149.265 120.412 178.118 8 h after dark 217.72500000000002 207.871 227.579 12 h after dark 137.355 135.766 138.944