condition mean min max 2 h after light 4.22629 1.47389 11.6465 6 h after light 10.61138 1.58895 41.0116 10 h after light 7.153636666666666 0.0 18.0148 14 h after light 2.809515 0.0 4.63296 18 h after light 2.9658016666666667 0.0 8.87283 2 h after dark 8.164278333333334 1.31414 29.9527