condition mean min max 4 h after light 14.3043 12.6238 15.9848 8 h after light 17.452849999999998 16.4044 18.5013 12 h after light 17.6297 12.5883 22.6711 4 h after dark 22.4036 20.5696 24.2376 8 h after dark 12.4864 11.2387 13.7341 12 h after dark 17.0737 15.0054 19.142