condition mean min max 0 h after light 21.413 17.3366 25.4894 2 h after light 16.9656 16.586 17.3452 4 h after light 18.49805 17.4378 19.5583 8 h after light 18.6314 16.6308 20.632 12 h after light 30.4634 27.2933 33.6335 2 h after dark 28.1615 27.5107 28.8123 4 h after dark 24.20415 23.41 24.9983 8 h after dark 28.44295 27.5656 29.3203 12 h after dark 24.3956 23.9197 24.8715