condition mean min max 0 h after light 20.2315 19.9818 20.4812 2 h after light 20.6399 18.8461 22.4337 4 h after light 16.06975 15.9403 16.1992 8 h after light 17.526049999999998 15.916 19.1361 12 h after light 20.0242 18.8053 21.2431 2 h after dark 21.9353 20.7905 23.0801 4 h after dark 22.795 22.3719 23.2181 8 h after dark 21.6026 21.328 21.8772 12 h after dark 23.8433 22.9179 24.7687