Penrhyn (Cook Islands) Site History

History Summary

Station Penrhyn
Country Cook Islands
Latitude 08° 58.6' S
Longitude 158° 03.2' W
GLOSS No 143
Time Reference GMT (hours 00-23)
Contributor UH Sea Level Center
Instrument type (primary,Apr 1977-present) Leupold and Stevens Analog-to-Digital Recorder (ADR);
(backup, Jul 1986-present) Handar Encoder (ENC)
Primary gauge ADR: 1977-90
ENC: 1991-
Site of gauge  
Observational periods 1977 - present

Reference Level

All heights have been referred to the station tide staff zero which is linked to fixed benchmarks.

Quality Assessment by the UH Sea Level Centre

Comment

The daily and monthly means reveal no apparent changes in the reference level.

Year CI(%) Missing Data Replaced Gaps or Bad Data Questionable Fluctuations
1977 35 141-240,276-305 none none
1978 93 26-33,64-80,155-156 none none
1979 96 86-92,209-212,348-351 none none
1980 96 27-33,308-319,361-365 none none
1981 85 207-210,224-234,299-339 none none
1982 99 159-161 none none
1983 77 14-19,53-55,57-62,83-102,156-160,223-225,323-365 none none
1984 75 1-92 none none
1985 98 5-7,88-92 none none
1986 99 5-7 none none
1987 100 none none none
1988 100 none none none
1989 100 none none none
1990 100 none none none
1991 100 none none none
1992 100 none none none
1993 100 none none none
1994 100 none none none
1995 100 none none none
1996 100 none none none
1997 100 none none none
1998 100 none none none