condition mean min max 2 h after light 21.534716666666668 16.0025 24.1253 6 h after light 13.533873333333334 9.52074 16.3438 10 h after light 15.5966 10.848 23.4841 14 h after light 16.162283333333335 10.1576 23.2373 18 h after light 17.0078 12.5382 26.6054 2 h after dark 19.9888 15.9578 23.8913