condition mean min max 4 h after light 1.055402 0.296024 1.96142 8 h after light 0.4524862 0.0652316 0.938094 12 h after light 0.763884 0.504459 1.066 4 h after dark 0.52243 0.243443 0.899094 8 h after dark 0.5370833333333334 0.495366 0.558184 12 h after dark 0.742794 0.44017 0.93817