Calibrations from doy 275, 1987 were used to calibrate:
   doy 275
   doy 276
   doy 277
   doy 278

Calibrations from doy 279, 1987 were used to calibrate:
   doy 279
   doy 280
   doy 281
   doy 283

There were changes from doy 279 to 280 in the east and west.

Cathy (6/27/95)