condition mean min max 3 h after light 1.8470215833333334 0.756719 3.00687 7 h after light 1.45394475 0.451877 2.49724 11 h after light 1.891082 0.812994 3.71788 2 h after dark 1.8728741666666666 1.11793 2.63951 6 h after dark 1.7864435833333334 0.744428 3.69744 10 h after dark 2.2413291666666666 1.25133 3.18035