W3VALDAT

The W3VALDAT function returns true if the input is a valid
             NCEP absolute date and time.

USAGE:  ...=W3VALDAT(IDAT)

   Input variables:
      IDAT       INTEGER (8) NCEP ABSOLUTE DATE AND TIME
                 (YEAR, MONTH, DAY, TIME ZONE,
                 HOUR, MINUTE, SECOND, MILLISECOND)

   Output variables:
      W3VALDAT   LOGICAL TRUE IF IDAT IS A VALID NCEP DATE AND TIME

 
W3lib.tar Library contains Fortran 90 decoder/encoder routines for GRIB edition 1. (Fortran90)
Date posted: 2/22/2007