condition mean min max 4 h after light 16.831049999999998 16.2561 17.406 8 h after light 14.1826 13.9148 14.4504 12 h after light 16.95865 16.6957 17.2216 4 h after dark 29.7479 27.9213 31.5745 8 h after dark 29.3569 29.1181 29.5957 12 h after dark 33.53530000000001 32.4669 34.6037