condition mean min max 3 h after light 0.164306 0.0 0.492918 6 h after light 0.16702366666666665 0.0 0.325843 9 h after light 0.11571833333333333 0.0 0.347155 12 h after light 0.04066225 0.0 0.162649 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.17182533333333336 0.0 0.515476 12 h after dark 0.0 0.0 0.0