condition mean min max 0 h after light 0.531467 0.530993 0.531941 4 h after light 0.840205 0.59832 1.08209 8 h after light 1.0283324999999999 0.975625 1.08104 4 h after dark 2.126795 1.79508 2.45851 8 h after dark 0.899024 0.602708 1.19534 12 h after dark 1.047361 0.909052 1.18567