condition mean min max 4 h after light 0.7026725 0.564763 0.840582 8 h after light 0.420803 0.228785 0.612821 12 h after light 0.7897645 0.741272 0.838257 4 h after dark 1.4724175000000002 0.991025 1.95381 8 h after dark 0.854561 0.485242 1.22388 12 h after dark 1.369717 0.811574 1.92786