QUALITY ASSESSMENT OF SEA LEVEL DATA by the UH SEA LEVEL CENTER/NATIONAL OCEANOGRAPHIC DATA CENTER JOINT ARCHIVE FOR SEA LEVEL updated: 23 Aug 2019 Station : Prince Rupert Latitude: 54 19.0N Country : Canada Longitude: 130 19.4W JASL # : 540A Time Meridian: 120W (GMT - 8 hr) GLOSS # : 155 TOGA #: none NODC #: 75134001 Contributor : Marine Environmental Data Service Dept. of Fisheries and Oceans S12082-200 Kent St. Ottawa, Ontario CANADA K1A-OE6 Originator : Canadian Hydrographic Service, Institute of Ocean Sciences, P.O. Box 6000 Sidney, British Columbia CANADA V8L 4B2 Original Data: digital Instrmnt Type: float/well gauge, bubbler backup Digitzd Intvl: hourly until 2006, then 1 minute Present Data : Hourly, daily, and monthly values obtained by: Hourly : spot hourly Daily : 119-point convolution filter (Bloomfield, 1976) centered on noon applied to the hourly data with respective periods of the 95, 50, and 5% amplitude points at 124.0, 60.2, and 40.2 hours Monthly: Simple average of all daily values; calculated if 7 or fewer days are missing Span of data : 01 Jan 1909 - 31 Dec 2018 Gaps > 1 mon : 01 Feb 1909 - 01 Mar 1909;12 Apr 1910 - 01 Jun 1910 01 Jul 1911 - 01 Feb 1912;01 Dec 1912 - 01 Jan 1913 01 Apr 1919 - 01 Mar 1921;01 Mar 1922 - 01 Jan 1939 01 Jan 1942 - 01 Jan 1943;01 Jan 1952 - 01 Feb 1952 01 Jan 1961 - 01 Jan 1962;18 May 1991 - 28 Jun 1991 Time Refernce: GMT (hours 00-23) Space-filler Flag :-9999 Units : millimeters Missing Data Flag : 9999 Existing : Yes Operational : Yes Sat. Trans. : Yes Distribution : 1909-2018 Refernce Levl: All heights have been referred to the station tide staff zero which is linked to fixed benchmarks. The controlling benchmark is BM 651, 1944, which is 9.904m above chart datum and 6.070m above geodetic datum. Comment : Timing is of lower quality before 1996. Only extreme fluctuations in residuals are noted below. The timing is off by 15 min for 01-16 Jan 1998. CI MISSING REPLACED GAPS QUESTIONABLE YEAR (%) DATA OR BAD DATA FLUCTUATIONS ---- --- -------------------- --------------- -------------------- 1909 92 1,32-60 none none 1910 80 83-86,102-152,283- none none 293,356-365 1911 49 1-4,182-365 none none 1912 83 1-33,336-366 (20)291-(08)292 none (08)307-(20)307 1913 99 1 (06)166-(20)166 none 1914 100 none (06)251-(16)251 none 1915 100 none none none 1916 100 none none none 1917 100 none none none 1918 100 none (09)257-(08)258 none 1919 24 91-365 none none 1920 0 1-366 none none 1921 75 1-60,335-365 none none 1922 16 1,60-365 (18)009-(06)010 none 1923 0 1-365 none none 1924 0 1-366 none none 1925 0 1-365 none none 1926 0 1-365 none none 1927 0 1-365 none none 1928 0 1-366 none none 1929 0 1-365 none none 1930 0 1-365 none none 1931 0 1-365 none none 1932 0 1-366 none none 1933 0 1-365 none none 1934 0 1-365 none none 1935 0 1-365 none none 1936 0 1-366 none none 1937 0 1-365 none none 1938 0 1-365 none none 1939 99 1,304-306 (21)087-(17)088 none (07)101-(23)101 (07)196-(18)196 (07)280-(17)280 (04)292-(19)292 1940 99 188-190,195-197 none none 1941 99 73-75 (01)116-(17)116 none 1942 0 1-365 none none 1943 99 1 (03)233-(19)233 none 1944 100 none (04)288-(18)288 none 1945 99 78-80,272-274 (10)075-(23)075 none (18)077-(05)078 (07)078-(16)078 (07)276-(22)276 (05)280-(02)281 1946 99 168-169,179-181 (03)227-(23)227 none (00)319-(18)319 1947 99 275-280 (00)087-(19)087 none (07)150-(18)150 (14)284-(23)284 1948 100 none (00)048-(18)048 none 1949 100 none none none 1950 99 294-296 none none 1951 99 98-100 (05)019-(16)019 none (07)100-(15)100 (07)101-(16)101 (07)102-(16)102 (07)248-(19)248 (07)253-(18)253 (16)258-(23)258 (23)259-(18)260 (03)288-(19)288 (00)306-(16)306 1952 92 1-32 (23)070-(06)071 none (09)071-(19)071 (19)199-(17)200 (21)348-(06)349 1953 100 none (11)029-(18)029 none (12)060-(20)060 1954 100 none (01)084-(18)084 1955 100 none (22)140-(05)141 none 1956 100 none (00)008-(07)008 none (09)064-(04)065 1957 100 none (04)291-(18)291 none (08)303-(18)303 (11)305-(18)305 1958 100 none (07)227-(17)227 none (01)229-(09)229 (04)263-(17)263 (10)359-(18)359 (00)363-(18)363 1959 98 91-100 (01)044-(11)044 none (14)251-(00)252 1960 95 148-165 none none 1961 0 1-365 none none 1962 99 1,157-158 (09)026-(18)026 none (12)177-(21)177 (01)290-(16)290 1963 100 none none none 1964 100 none none none 1965 100 none none none 1966 100 none none 259 1967 100 none none none 1968 100 none none none 1969 100 none none 329 1970 100 none none none 1971 100 none none none 1972 96 153-169 none 88-91 1973 100 none none 290 1974 100 none none none 1975 100 none none none 1976 100 none none none 1977 100 none none 134-136 1978 100 none none 68-69,236,336-337 1979 100 none none 321-323 1980 100 none none none 1981 100 none none none 1982 100 none none none 1983 100 none none 322 1984 100 none (09)366-(23)366 106-108,150 1985 100 none (00)001-(08)001 none 1986 92 48-72,312-315, none none 336-337 1987 100 none none none 1988 100 none (09)229-(19)229 153 1989 96 1-6,182-186,277-283 none 38-42,343-344 1990 99 30-31,192-195 none 9,12-13,221-222 1991 86 138-179,212-214,221- none 33,35-36,191-193, 223,231-234,321-323, 209-212 358-361 1992 99 211-214,241-244 none 68,124,315-316,345 1993 99 98-100 none 36-40,66-67,97,175 1994 100 none none 44,58-59,146-147, 336-338 1995 100 none none 75-78 1996 99 356-360 none none 1997 97 249-258 none none 1998 100 none none 1-16 1999 99 242-245 none none 2000 100 none none none 2001 100 none none none 2002 100 none none none 2003 100 none none none 2004 100 none none none 2005 100 none none none 2006 100 none none none 2007 100 none none none 2008 100 none none none 2009 100 none none none 2010 100 none none none 2011 99 138-139 (09)213-(23)213 none 2012 100 none none none 2013 100 none none none 2014 100 none none none 2015 100 none none none 2016 100 none (23)158-(22)159 none 2017 100 none none none 2018 100 none none none