Station Information

Station ID: 369
Latitude: 22.55
Longitude: 88.3
Coastline code: 500
Station code: 141
Country: INDIA
Time span of data: 1932 – 2021
Completeness (%): 89
MTL Data: 1932-1958
MTL-MSL (mm): -51
Date of last update: 11 Apr 2023

Green Arrow: Current Station
Yellow Marker: Neighbouring RLR Station
Red Marker: Neighbouring Metric Station

Please note: In many cases, the station position in our database is accurate to only one minute. Thus, the tide gauge may not appear to be on the coast.

Station Documentation

Link to RLR information.

Documentation - date unknown

1932 - 1958 values based on readings of high and low waters

Documentation added 1991-06-11

Calcutta (Garden R) 500/141 RLR(1964) is 11.0m below BM 80/1

Documentation added 1994-07-14

Apparent unexplained datum shift around start 1976.

Documentation added 1994-08-04

The records of Calcutta and neighbouring stations will be significantly affected by river flow.

Documentation added 1994-08-04

For a discussion of interannual variability of sea level along the coasts of Pakistan and India, see Clarke and Liu, Journal of Physical Oceanography, 24, 1224, 1994.

Documentation added 2002-12-06

SMRC Newsletter Jul-Dec 2001 reports high E coast correlation with SOI and MSL. MSL is much higher during La Nina tropical cyclones than during El Nino.

Documentation added 2008-04-28

Last data received for this station was for 2001. However as the Lat., Long., and benchmark details remain as before the data was simply added to the existing dataset. The benchmark name is BM 1615/1195 previously known as BM 80/1

Documentation added 2016-01-12

We have changed the first line above, indicating that the MTL ends in 1958, not 1956 as was previously stated. We have verified that the values in the database are those from Pub. Sci. 20, in which they were indicated as MTL.

Documentation added 2016-01-22

A value of MTL-MSL=-51 mm has been applied to the RLR data for the period 1932-1958. This value was derived from the average of three differences in the annual MSL and MTL listed for the station in Pub. Sci. 24. Note that no correction has been applied to the metric data.

Documentation added 2017-06-27

Name changed from Calcutta (Garden Reach) to Garden Reach to match supplier

Data Authority

Survey of India
Geodetic and Research Branch
17 E.C. Road
Dehra Dun
PIN 248 001