condition mean min max 4 h after light 0.05561605 0.0475775 0.0636546 8 h after light 0.0524315 0.0 0.104863 12 h after light 0.03646485 0.0280374 0.0448923 4 h after dark 0.0616663 0.0410919 0.0796429 8 h after dark 0.06463303333333334 0.0356611 0.104822 12 h after dark 0.09176 0.037954 0.127742