condition mean min max 3 h after light 0.0247925 0.0 0.0743775 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.01212825 0.0 0.048513 3 h after dark 0.040112166666666664 0.0 0.0601697 6 h after dark 0.06600823333333333 0.0519804 0.0860937 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0