condition mean min max 3 h after light 1.086972 0.584294 1.88672 6 h after light 0.0 0.0 0.0 9 h after light 0.163239 0.0 0.489717 12 h after light 0.4405506666666667 0.0 0.673058 3 h after dark 0.23865266666666665 0.0 0.715958 6 h after dark 0.0 0.0 0.0 9 h after dark 0.29114466666666666 0.0 0.873434 12 h after dark 0.266566 0.0 0.799698