Calibrations from doy 261, 1987 were used to calibrate:
   doy 261
   doy 263
   doy 264
   doy 265

Calibrations from doy 266, 1987 were used to calibrate:
   doy 266
   doy 272
   doy 273
   doy 274

There were changes from doy 265 to 266 in the west.

Cathy (6/26/95)