condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.23731233333333335 0.0 0.553421 12 h after light 0.319968 0.0 0.959904 3 h after dark 0.3285516666666667 0.0 0.510544 6 h after dark 0.0 0.0 0.0 9 h after dark 0.19886233333333334 0.0 0.391271 12 h after dark 0.095043 0.0 0.285129