condition mean min max 2 h after light 0.616096 0.190608 1.71298 6 h after light 1.0555683333333334 0.615742 1.52774 10 h after light 0.547764 0.0 1.05062 14 h after light 0.395515 0.149569 0.899911 18 h after light 0.5231573333333334 0.176834 1.4783 2 h after dark 0.4226105 0.0 1.27277