****************************************************************** DATA AVAILABILITY -- January 1991 - April 15, 1997 NOTE: THIS IS THE END OF THE NGM ARL ARCHIVE. Month/Year Date Time Missing data JAN 91 None FEB 91 None MAR 91 None APR 91 04 12Z initialization* 05 00Z initialization* 22 12Z all data 23 00Z initialization* 24 00Z initialization* MAY 91 07 12Z all data 08 00Z initialization* 23 12Z all data JUN 91 None JUL 91 03 12Z initialization* 04 12Z initialization* 06 12Z initialization* 07 12Z initialization* AUG 91 17 00Z initialization* 18 00Z initialization* SEP 91 None OCT 91 25 12Z all data 29 00Z all data NOV 91 26 12Z initialization* DEC 91 02 12Z initialization* 04 12Z initialization* JAN 92 01/01Z - 17/11Z Odd hours written instead of even hours (1,3,5...) 17 12Z initialization* FEB 92 None MAR 92 04/02Z - 04/12Z Missing data 26/14Z - 27/22Z Missing data 28 00Z Initialization* 28/14Z - 28/22Z Missing data 29 00Z Initialization* 29/14Z - 29/22Z Missing data 30 00Z Initialization* APR 92 None MAY 92 None JUN 92 None JUL 92 None AUG 92 None SEP 92 None OCT 92 None NOV 92 01 14-22Z All data missing 02 00Z initialization* DEC 92 None JAN 93 08 00Z Initialization* FEB 93 17 00Z Data missing only this hour MAR 93 08 12Z Initialization* APR 93 None MAY 93 None JUN 93 None JUL 93 None AUG 93 None SEP 93 None OCT 93 None NOV 93 None DEC 93 None JAN 94 17 14-22Z All data missing 18 00Z initialization* FEB 94 None MAR 94 None APR 94 None MAY 94 None JUN 94 None JUL 94 28 00Z Initialization* AUG 94 None SEP 94 None OCT 94 None NOV 94 16 00Z Initialization* DEC 94 21 12Z Initialization* JAN 95 26 14-22Z All data missing 27 00Z initialization* FEB 95 None MAR 95 None APR 95 None MAY 95 27 00Z initialization* JUN 95 24 00Z initialization* JUL 95 None AUG 95 11 12Z Initialization* SEP 95 None OCT 95 None NOV 95 None DEC 95 None JAN 96 None FEB 96 None MAR 96 None APR 96 None MAY 96 None JUN 96 4 00Z initialization* JUL 96 None AUG 96 None SEP 96 06 14-22Z All data missing 07 00Z initialization* OCT96 10 12Z initialization* NOV 96 None DEC 96 None JAN 97 None FEB 97 None MAR 97 09 00Z initialization* 12 12Z initialization* APR 97 04 02-12Z Missing 16-30 Missing