condition mean min max 4 h after light 1.2284685 0.707967 1.74897 8 h after light 0.8885015 0.841486 0.935517 12 h after light 0.887359 0.85271 0.922008 4 h after dark 1.161586 0.762308 1.38151 8 h after dark 1.60178 1.49941 1.79077 12 h after dark 1.1980533333333334 1.07728 1.40402