QUALITY ASSESSMENT OF SEA LEVEL DATA by the UH SEA LEVEL CENTER/NATIONAL OCEANOGRAPHIC DATA CENTER JOINT ARCHIVE FOR SEA LEVEL updated: 08 Oct 2020 Station : Pensacola,FL Latitude: 30 24.2N Country : USA Longitude: 087 12.8W JASL # : 762A Time Meridian: 090W (GMT - 6 hr) GLOSS # : 288 Originator #:8729840 NODC #: 73080701 Contributor : National Ocean Service (NOS) National Ocean. and Atmos. Administration (NOAA) N/OES22 SSMC4, STATION 7109 1305 East West Highway Silver Spring, MD. 20910-3233 Originator : US Coastal Geodetic Survey (1923-1972); NOS (1973+) Original Data: analog (standard); digital (ADR and NGWLMS) Instrmnt Type: standard mechanical (1923-1974); analog-to-digital (ADR) recorder (1975-1990); Aquatrak acoustic gauge, NOAA Next Generation Water Level Measuring System (NGWLMS) (1991-) Digitzd Intvl: hourly (standard); six-minute (adr and NGWLMS) NGWLMS sampling is three-minute average Present Data : Hourly, daily, and monthly values obtained by: Hourly : The original digitizing interval was hourly (standard); spot sampling on the hour (adr/NGWLMS) 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 May 1923 - 31 Dec 2019 Gaps > 1 mon : 31 Aug 1950 - 09 Mar 1951;01 Nov 1976 - 11 Dec 1976 29 Jun 1993 - 01 Jan 1994;03 Apr 2004 - 21 Jun 2004 16 Sep 2004 - 05 Jan 2005;13 Jun 2013 - 02 Aug 2013 Time Refernce: GMT (hours 00-23) Space-filler Flag :-9999 Units : millimeters Missing Data Flag : 9999 Existing : Yes Operational : Yes Sat. Trans. : Yes Distribution : 1923-2019 Refernce Levl: All heights have been referred to the station tide staff zero which is linked to fixed bench marks. While standard mechanical or ADR instrument was the primary gauge, leveling calibration factors were applied monthly based on tide staff comparisons. Comment : The daily and monthly means reveal no apparent reference level changes. The site is referred to as "Pensacola, Pensacola Bay, FL". CI MISSING REPLACED GAPS QUESTIONABLE YEAR (%) DATA OR BAD DATA FLUCTUATIONS ---- --- -------------------- --------------- -------------------- 1923 67 none none none 1924 100 none none none 1925 100 none none none 1926 100 none none none 1927 100 none none none 1928 100 none none none 1929 100 none none none 1930 100 none none none 1931 100 none none none 1932 100 none none none 1933 100 none none none 1934 100 none none none 1935 100 none none none 1936 100 none none none 1937 89 68-88,245-265 none none 1938 93 3-29 none none 1939 100 none none none 1940 100 none none none 1941 100 none none none 1942 100 none none none 1943 100 none none none 1944 100 none none none 1945 100 none none none 1946 100 none none none 1947 100 none none none 1948 100 none none none 1949 100 none none none 1950 67 243-365 none none 1951 81 1-68 none none 1952 100 none none none 1953 100 none none none 1954 100 none none none 1955 100 none none none 1956 100 none none none 1957 100 none none none 1958 100 none none none 1959 100 none none none 1960 100 none none none 1961 100 none none none 1962 100 none none none 1963 100 none none none 1964 100 none none none 1965 100 none none none 1966 79 91-167 none none 1967 95 95-96,309-311, none none 322-336 1968 100 none none none 1969 97 186-197 none none 1970 100 none none none 1971 100 none none none 1972 99 246-248 (23)258-(20)259 none 1973 99 213-217 none none 1974 97 173-182 none none 1975 100 none none none 1976 89 306-346 none none 1977 92 32-60 none none 1978 100 none none none 1979 99 256-258 none none 1980 98 2-4,52-56 (19)017-(18)018 none (09)052-(19)052 1981 100 none none none 1982 99 346-347 none none 1983 100 none none none 1984 100 none none none 1985 100 none none none 1986 100 none none none 1987 94 40-61 none none 1988 100 none (15)343-(06)344 none (15)347-(14)348 1989 100 none none none 1990 100 none none none 1991 100 none none none 1992 100 none none none 1993 49 180-365 none none 1994 99 1 none none 1995 100 none none none 1996 99 18-20 none none 1997 96 119-135 none none 1998 97 57-61,104-112 (16)056-(12)057 none 1999 100 none none none 2000 99 26-27 none none 2001 97 100-111 (00)227-(19)227 none 2002 100 none (11)132-(01)133 none (03)133-(12)133 2003 100 none none none 2004 49 94-173,260-366 none none 2005 98 1-5 none none 2006 100 none none none 2007 97 109-119 none none 2008 98 183-190 (17)019-(00)020 none 2009 100 none none none 2010 100 none none none 2011 100 none none none 2012 92 63-84,265-274 none none 2013 86 164-214 none none 2014 100 none none none 2015 100 none none none 2016 100 none none none 2017 100 none none none 2018 100 none none none 2019 100 none none none