condition mean min max 3 h after light 0.0308184 0.0 0.0631274 6 h after light 0.0465141 0.0202908 0.0775484 9 h after light 0.0076151 0.0 0.0228453 12 h after light 0.019007 0.0 0.0382583 3 h after dark 0.03367233333333333 0.0 0.0711732 6 h after dark 0.015759433333333333 0.0 0.0472783 9 h after dark 0.04206056666666667 0.0 0.104575 12 h after dark 0.0300418 0.0234952 0.0365884