condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.017480566666666666 0.0 0.0524417 9 h after light 0.0 0.0 0.0 12 h after light 0.018930233333333334 0.0 0.0567907 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0