condition mean min max 4 h after light 490.336 372.879 550.75 8 h after light 147.32883333333334 72.0335 233.87 12 h after light 113.4757 74.0631 157.45 4 h after dark 223.50766666666667 184.896 253.025 8 h after dark 377.349 277.751 455.988 12 h after dark 565.4023333333333 542.149 578.97