condition mean min max 0 h after light 1.67773 1.28326 2.0722 2 h after light 1.80458 1.68085 1.92831 4 h after light 2.123315 1.5212 2.72543 8 h after light 0.881417 0.662634 1.1002 12 h after light 1.469575 1.22069 1.71846 2 h after dark 0.459588 0.440379 0.478797 4 h after dark 0.9522485 0.411127 1.49337 8 h after dark 1.907351 0.927952 2.88675 12 h after dark 2.125185 2.05472 2.19565