Sorry for the delay!
I reran your stats. Please see below:
day 4348/kanji - studied 47/25, streak of 502
day 4349/vocab - studied 4/40, streak of 0
day 4349/kanji - studied 29/25, streak of 503
day 4350/vocab - studied 5/40, streak of 0
day 4350/kanji - studied 33/25, streak of 504
day 4351/vocab - studied 9/40, streak of 0
day 4351/kanji - studied 29/25, streak of 505
day 4352/vocab - studied 8/40, streak of 0
day 4352/kanji - studied 34/25, streak of 506
day 4353/vocab - studied 7/40, streak of 0
day 4353/kanji - studied 33/25, streak of 507
day 4354/vocab - studied 3/40, streak of 0
day 4354/kanji - studied 22/25, streak of 0
day 4355/vocab - studied 7/40, streak of 0
day 4355/kanji - studied 31/25, streak of 1
day 4356/vocab - studied 3/40, streak of 0
day 4356/kanji - studied 32/25, streak of 2
day 4357/vocab - studied 4/40, streak of 0
day 4357/kanji - studied 36/25, streak of 3
day 4358/vocab - studied 3/40, streak of 0
day 4358/kanji - studied 36/25, streak of 4
day 4359/vocab - studied 4/40, streak of 0
day 4359/kanji - studied 26/25, streak of 5
day # is just the day counter for the site. studied x/y (x=your terms, y=minimum required).
You can see the kanji streak was broken when you only studied 22 of 25 for that day :(