condition mean min max 3 h after light 0.5154873333333333 0.16421 0.824853 6 h after light 3.0669833333333334 2.32827 3.5465 9 h after light 9.87046 8.30394 12.2293 12 h after light 15.377086425 0.0454457 23.6804 3 h after dark 3.31441 2.7619 3.68684 6 h after dark 0.489701 0.336961 0.645203 9 h after dark 0.19914116666666667 0.0728635 0.372663 12 h after dark 0.184428 0.111636 0.25722