condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.11576033333333334 0.0 0.347281 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.12326733333333334 0.0 0.369802 12 h after dark 0.2010625 0.0 0.402125