Aviation abbreviation

HIXFM

HIXFM stands for “highest temperature exceeded for the month” (Weather usage). Got a NOTAM full of contractions? Paste it into the decoder.

Related abbreviations

HIHIALSHIBALHIEATHIEFMHIESEHIESLHIFORHIRIVHIRLHITMPHIWAS

Source: FAA Order JO 7340.2 Contractions. Not for operational use.