condition mean min max 3 h after light 0.9130876666666666 0.642833 1.0772 6 h after light 0.666478 0.544024 0.837265 9 h after light 0.7700520000000001 0.673876 0.90985 12 h after light 1.1788356666666666 0.916162 1.66053 3 h after dark 1.6024103333333333 0.805971 2.11346 6 h after dark 6.04929 5.11219 7.86234 9 h after dark 3.32743 2.10488 4.21945 12 h after dark 1.5136066666666668 1.40717 1.59843