condition mean min max 0 h after light 2.47447 2.11195 2.83699 4 h after light 3.83352 3.26538 4.40166 8 h after light 3.82604 3.61564 4.03644 4 h after dark 4.1332249999999995 4.00699 4.25946 8 h after dark 4.722385 4.48111 4.96366 12 h after dark 3.264145 2.63639 3.8919