condition mean min max 3 h after light 0.086572 0.0 0.259716 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.51586775 0.0 1.21196 3 h after dark 0.17828733333333333 0.0 0.534862 6 h after dark 0.17764666666666665 0.0 0.53294 9 h after dark 0.146676 0.0 0.243559 12 h after dark 0.471067 0.412439 0.529695