condition mean min max 4 h after light 108.863 100.583 117.143 8 h after light 41.490899999999996 40.579 42.4028 12 h after light 28.948349999999998 28.8961 29.0006 4 h after dark 32.1091 30.3019 33.9163 8 h after dark 48.5454 46.698 50.3928 12 h after dark 67.2157 67.0301 67.4013