condition mean min max 0 h after light 61.74305 60.5661 62.92 4 h after light 103.3955 97.087 109.704 8 h after light 95.39035 90.6167 100.164 4 h after dark 72.46369999999999 71.8933 73.0341 8 h after dark 81.34925 81.0795 81.619 12 h after dark 75.96785 71.5125 80.4232