Link to RLR information.
Data prior to 1970 based on 24 redaings per day =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-JUN-91 : Mokuoloe Island 760/041 RLR(1969) is 8.4m below BM7 =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 24-Nov-2011 : Using information from the NOAA website the RLR diagram has been revised. Primary benchmark is now NO 1 1957 1.969m above gauge datum. This benchmark appears on the original RLR diagram as a secondary benchmark with the same value. Previous Primary benchmark NO 7 1968 is included in the NOAA report for 2000 with a value of 2.657m relative to the gauge datum but does not appear in the NOAA report of 2003.
N.O.A.A. / N.O.S. N/oes33, Ssmc4, Room 6531 1305 East-West Highway Silver Spring, MD 20910 UNITED STATES