id_ 4h_ago__________________2h_ago_______________now frzn%
 1-1 XXXXXXXX...XXXXXXXXX..XXXXXXXXXXXX..XXXXXXXXXX.. (81%)
 1-2 XX........XXXXXXXXXX..............XXXXXXXXXXXX.. (50%)
 1-3 XXXX.....XXXXXXX...............XXXXXXXXXXXXX...X (52%)
 1-4 ......XXXXXXXXXX....XXXXXXXXXX........XXXXXXXXX. (60%)
 1-5 OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO (0%)
 2-1 ....................XXXXXXXXXXX............XXXXX (33%)
 2-2 XXXXXX...........................XXXXXXXXXXXX... (37%)
 2-3 .................................XXXXXXXXXXXX... (25%)
 2-4 ......XXXXXXXXXXXX...XXXXXXXXX.................. (43%)
 2-5 XXXXXXXX..XXXXXXXXXXXX.......XXXXXXXX.......XXXX (66%)
 2-6 OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO (0%)

X marks the frost.
O means offline.