I'm also in the process of switching to RRDtool, so eventually, one day, these graphs will change format. Unfortunately, that won't happen till Mr. Time gets on my side. Consequently, a lot of he graphs are plain blank. If you've been given a login ID, please enter it here and hit return. High matching spikes on these two charts generally mean high speed file transfers between machines sitting on different subnets.
Incoming hits are way less than the amount of data transfered, so it's barely registering.
Consequently, the station is periodically out of commision. Sharp drops in these graphs usually means a disruption of communication with the weather station. Boulder, CO Temp. Sorry for no statistics on that.