condition mean min max 0 h after light 250.0145 246.745 253.284 4 h after light 14.75853 9.51076 20.0063 8 h after light 8.32953 7.02289 9.63617 4 h after dark 51.1392 40.6549 61.6235 8 h after dark 57.396950000000004 57.1561 57.6378 12 h after dark 162.27945 94.3569 230.202