condition mean min max 4 h after light 11.1236 9.1461 13.1011 8 h after light 13.5484 12.7894 14.3074 12 h after light 11.342690000000001 9.27178 13.4136 4 h after dark 16.6013 8.8341 21.739 8 h after dark 15.384833333333333 11.6465 20.7994 12 h after dark 19.829533333333334 14.8111 27.3878