condition mean min max 0 h after light 21.0295 20.6533 21.4057 2 h after light 24.0366 22.5365 25.5367 4 h after light 16.92535 16.7861 17.0646 8 h after light 16.29025 13.0253 19.5552 12 h after light 29.815800000000003 28.1002 31.5314 2 h after dark 32.28095 30.8199 33.742 4 h after dark 25.4657 23.7322 27.1992 8 h after dark 27.9327 26.6739 29.1915 12 h after dark 23.38775 22.978 23.7975