condition mean min max 3 h after light 0.2542703333333333 0.180628 0.302491 6 h after light 0.515903 0.225463 0.773525 9 h after light 0.7391543333333334 0.4458 1.02152 12 h after light 1.5339 1.17367 2.06196 3 h after dark 4.07696 2.81028 4.78398 6 h after dark 10.13457 8.99988 11.5444 9 h after dark 4.65685 3.59565 5.3581 12 h after dark 0.888919 0.807482 1.01711