condition mean min max 0 h after light 0.7022855 0.496303 0.908268 4 h after light 0.704234 0.651275 0.757193 8 h after light 0.371147 0.252153 0.490141 4 h after dark 0.487846 0.324376 0.651316 8 h after dark 0.8166365 0.81321 0.820063 12 h after dark 0.489365 0.483977 0.494753