NCEP analyse
UTC
    May
    Thu
    9
    00
    May
    Fri
    10
    00
    May
    Sat
    11
    00
    May
    Sun
    12
    00
    May
    Mon
    13
    00
    May
    Tue
    14
    00
    May
    Wed
    15
    00
    May
    Thu
    16
    00