condition mean min max 3 h after light 1.9744056666666665 0.698747 3.0603 6 h after light 1.565394 0.923212 2.57512 9 h after light 1.3224926666666665 0.842903 2.21006 12 h after light 1.1615385 0.714114 1.55274 3 h after dark 1.519136 0.880898 1.92575 6 h after dark 2.3416 1.39551 2.87371 9 h after dark 1.3888143333333334 0.678963 2.07273 12 h after dark 1.657675 1.56039 1.75496