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I have a ProTrinket that counts rain gauge tips and an Xbee LTE that are both connected to my solar powered Mayfly. On March 10th the board temp spiked up from the 40sF to the 70sF, the battery voltage spiked from 4.1v to 4.8v and I got a -9999 for a tip count. Then the temp. battery and tips went back to normal. This happened about 50-60 times over three days and then stopped. I’ve replaced the modem, SD card, batteries, and LTE adapter board (before this specific problem happened). I’m planning to switch out the Mayfly next. Any guess as to why I’m getting this anomaly? I’ve attached a graph showing the first event and the whole group of spikes and -9999s.