NCEP analyse
UTC
    Apr
    Sat
    23
    00
    Apr
    Sun
    24
    00
    Apr
    Mon
    25
    00
    Apr
    Tue
    26
    00
    Apr
    Wed
    27
    00
    Apr
    Thu
    28
    00
    Apr
    Fri
    29
    00
    Apr
    Sat
    30
    00
    May
    Sun
    1
    00
    May
    Mon
    2
    00
    May
    Tue
    3
    00
    May
    Wed
    4
    00
    May
    Thu
    5
    00
    May
    Fri
    6
    00
    May
    Sat
    7
    00
    May
    Sun
    8
    00