condition mean min max 0 h after light 11.04872 9.91554 12.1819 2 h after light 7.296704999999999 7.14352 7.44989 4 h after light 5.72303 5.23284 6.21322 8 h after light 6.53127 5.31864 7.7439 12 h after light 8.87164 8.59197 9.15131 2 h after dark 11.5631 11.1966 11.9296 4 h after dark 13.17725 11.042 15.3125 8 h after dark 16.0676 15.4841 16.6511 12 h after dark 11.60995 11.5908 11.6291