Lake County has average temperatures ranging from the low 30's in the winter to the high 90's to low 100's in the summer. An average humidity of 50% in the winter and 30% in the summer which means virtually none of that famous California fog.
They are lever locks, with between 6 and 12 levers. They are double bitted and asymmetric, so the lock essentially has two different sets of levers. In addition, they are mostly quadruple throw, so you need to pass 4 sets of levers. The bolt work has 2 or 4 hardened steel circular bolts, providing good saw resistance.
The gap/gate in the lever, can be in different positions, this gap can be up nearer the top or lower near the bottom in the lever. The position of the gap in the lever denotes the cut of the key. The Key - Bit. The end of the key that you stick into a lock is called the bit. The bit is shaped to correspond to the different levers in the lock, each step in the key corresponds to the lever gap position.