condition mean min max 4 h after light 466.9721 446.7628 498.9096 8 h after light 311.1908666666667 186.9913 457.3112 12 h after light 347.5995666666667 276.8253 455.8694 16 h after light 337.9708 245.4757 440.2297 4 h after dark 372.1375 368.3037 377.5582 8 h after dark 283.1628666666667 269.1358 292.3737