condition mean min max 4 h after light 1.783005 1.53293 2.03308 8 h after light 22.73075 21.9117 23.5498 12 h after light 29.2669 27.6028 30.931 4 h after dark 16.1099 14.0838 17.1372 8 h after dark 3.800953333333333 3.49655 4.35542 12 h after dark 2.2954566666666665 1.73752 2.92502