condition mean min max 0 h after light 45.34965 43.888 46.8113 4 h after light 82.3183 80.1367 84.4999 8 h after light 90.03635 87.3529 92.7198 4 h after dark 72.2301 67.6914 76.7688 8 h after dark 59.30244999999999 58.9434 59.6615 12 h after dark 68.8433 66.3577 71.3289