Link to RLR information.
1896 - 1936 MSL values based upon integration of continuous record 1937 - 1961 Values based on 24 readings a day =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-Jun-1991 Nedre Gavle 050/171 RLR(1964) is 10.0m below BM No fix 451 Nedre Gavle is an historic station last data 1986
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