condition mean min max 3 h after light 0.239902 0.179649 0.282264 6 h after light 0.232844 0.127727 0.372877 9 h after light 0.3022356666666667 0.233233 0.420426 12 h after light 0.4945015 0.312471 0.702495 3 h after dark 0.31148033333333336 0.29065 0.339108 6 h after dark 0.511597 0.241338 0.669609 9 h after dark 0.17791666666666667 0.132353 0.213527 12 h after dark 0.15472585 0.0479737 0.261478