$integral dX$ [ NOAA NCEP-NCAR CDAS-1 MONTHLY Intrinsic PressureLevel rhum ]

grid: /T (0.000174532925199433 radian east) ordered (1.315W) to (7.575E) by 1.1795895E-05 N= 75365200 pts :gridforrtl: severe (174): SIGSEGV, segmentation fault occurred Stack trace terminated abnormally.