condition mean min max 4 h after light 3.325985 3.22083 3.43114 8 h after light 1.695185 1.44835 1.94202 12 h after light 0.57831 0.402251 0.754369 4 h after dark 0.4793843333333333 0.0 1.07314 8 h after dark 0.6946356666666667 0.378471 1.26332 12 h after dark 3.147683333333333 2.64588 3.93805