condition mean min max 4 h after light 72.6488 72.5103 72.7873 8 h after light 47.3904 44.4504 50.3304 12 h after light 34.79395 34.5296 35.0583 4 h after dark 26.8611 26.83 26.8922 8 h after dark 29.17645 29.089 29.2639 12 h after dark 44.3998 43.4483 45.3513