The TRH at 300m went nuts between 17:45 and 18:00 MDT today, May 13. The check_trh.sh script on the DSM repeatedly power cycled it because Ifan was low:

May 13 17:45:46 300m root: Ifan is 9 . Power cycling port 5
May 13 17:46:29 300m root: Ifan is 9 . Power cycling port 5
May 13 17:46:45 300m root: Ifan is 8 . Power cycling port 5
May 13 17:47:01 300m root: Ifan is 2 . Power cycling port 5
May 13 17:47:18 300m root: Ifan is 1 . Power cycling port 5
May 13 17:54:12 300m root: Ifan is 7 . Power cycling port 5
May 13 17:54:29 300m root: Ifan is 0 . Power cycling port 5
May 13 17:54:50 300m root: Ifan is 6 . Power cycling port 5
May 13 17:55:06 300m root: Ifan is 0 . Power cycling port 5
May 13 17:55:22 300m root: Ifan is 0 . Power cycling port 5
May 13 17:55:39 300m root: Ifan is 0 . Power cycling port 5
May 13 17:55:55 300m root: Ifan is 0 . Power cycling port 5
May 13 17:56:11 300m root: Ifan is 0 . Power cycling port 5
May 13 17:56:27 300m root: Ifan is 0 . Power cycling port 5
May 13 17:56:44 300m root: Ifan is 0 . Power cycling port 5
May 13 17:57:00 300m root: Ifan is 0 . Power cycling port 5
May 13 17:57:16 300m root: Ifan is 0 . Power cycling port 5
May 13 17:57:33 300m root: Ifan is 2 . Power cycling port 5
May 13 17:57:49 300m root: Ifan is 0 . Power cycling port 5
May 13 17:58:05 300m root: Ifan is 0 . Power cycling port 5
May 13 17:58:21 300m root: Ifan is 0 . Power cycling port 5
May 13 17:58:38 300m root: Ifan is 0 . Power cycling port 5
May 13 17:58:54 300m root: Ifan is 0 . Power cycling port 5
May 13 17:59:10 300m root: Ifan is 0 . Power cycling port 5
May 13 17:59:26 300m root: Ifan is 0 . Power cycling port 5
May 13 17:59:43 300m root: Ifan is 0 . Power cycling port 5
May 13 17:59:59 300m root: Ifan is 0 . Power cycling port 5
May 13 18:00:15 300m root: Ifan is 0 . Power cycling port 5
May 13 18:00:32 300m root: Ifan is 0 . Power cycling port 5
May 13 18:00:48 300m root: Ifan is 0 . Power cycling port 5
May 13 18:01:04 300m root: Ifan is 0 . Power cycling port 5
May 13 18:01:20 300m root: Ifan is 0 . Power cycling port 5
May 13 18:01:37 300m root: Ifan is 0 . Power cycling port 5
May 13 18:01:53 300m root: Ifan is 0 . Power cycling port 5
May 13 18:02:09 300m root: Ifan is 0 . Power cycling port 5
May 13 18:02:25 300m root: Ifan is 0 . Power cycling port 5
May 13 18:02:42 300m root: Ifan is 0 . Power cycling port 5
May 13 18:02:58 300m root: Ifan is 0 . Power cycling port 5
May 13 18:03:14 300m root: Ifan is 0 . Power cycling port 5

After all that it seemed to recover. at 6:30 pm the data looked like so, with a reported Ifan of 36 mA:

TRH16 9.33 80.63 36 0 1226 161 114\r\n
TRH16 9.33 80.63 37 0 1226 161 116\r\n
TRH16 9.29 81.09 37 0 1225 162 115\r\n
TRH16 9.29 81.09 35 0 1225 162 111\r\n
TRH16 9.25 81.08 35 0 1224 162 111\r\n
TRH16 9.25 81.08 37 0 1224 162 116\r\n