From Dec 15 through Dec 19, Vdsm at Highland fell at a rate comparable to other sites.

On the night of Dec 20, Highland fell at a rate slightly faster than other sites.

On the night of Dec 21, Highland fell at a rate comparable to other sites, but cut out at 11.5 V

in the middle of the night.

On the nights of Dec 22 and 23, Highland cut out soon after sunset.

John replaced the Highland batteries on Dec 24 at 7:30 am. 

On the nights of Dec 26-27, Vdsm fell faster than other sites.

On the nights of Dec 28-30, Vdsm fell at a rate comparable to other sites.

On the nights of Jan 1-2 (with the router off), Vdsm fell much faster than at other sites.