Interesting ob...
METAR KBUF 061754Z 07008KT 4SM -RA BR FEW007 BKN015 OVC030 00/M01 A2988 RMK AO2
RAB53FZRAE53 SLP128 DEPTH OF GLAZE 2/10 INCH P0015 60057 I1005 I6037 T00001006
10000 21028 58034 $ =
They augmented 2/10" of glaze in the comments, but the glaze accretion algorithm has 0.37"...almost twice as much.