condition mean min max 4 h after light 310.209613 303.999654 316.419572 8 h after light 689.9281914999999 587.646888 792.209495 12 h after light 535.288811 396.467308 674.110314 4 h after dark 474.32985399999995 268.604313 680.055395 8 h after dark 223.798553 203.809709 243.787397 12 h after dark 228.90837 228.90837 228.90837