Skip to main content

Important for you to know:

  • New to WDFN: daily data are now available in WDFN! Visit a Monitoring Location Page and scroll to the "Available data" section to graph daily data types. To learn more, read our announcement on the Water Data for the Nation blog.

Great South Bay at West Sayville NY - 01306402

Scale

Continuous data

Great South Bay at West Sayville NY - 01306402
Subscribe to WaterAlert
February 10, 2025 - February 17, 2025
Temperature, water, degrees Celsius
Discontinued (32.00 deg F) - Feb 16, 2025 11:36:00 PM EST
USGS - science for a changing world
Temperature, water, degrees CelsiusTemperature, water, degrees Celsius from February 10, 2025 - February 17, 2025Feb 11Feb 12Feb 13Feb 14Feb 15Feb 16Feb 171.52.02.53.0deg C34.7035.6036.5037.40deg F
Important Data may be provisional
Value
Status
Time
Latest value
No data
Provisional
Discontinued
Feb 16, 2025
23:36:00 PM EST
Selected
No data
Provisional
Discontinued
Feb 16, 2025
11:36:00 PM EST
Compare
Add last year's data to graph
Median
Showing data on graph
Statistics for February 17, 2025 based on 6 years of data
Temperature, water, °C
low (2021)
1.7 deg C
25th percentile
2.1 deg C
median
3.3 deg C
75th percentile
4.5 deg C
mean
3.5 deg C
high (2023)
6.5 deg C

Available data

Select data types to graph from categories based on the way the data were collected.
Learn about the data collection categories

Continuous data

5 data types available - data from 2017-04-05 to 2025-02-16
Continuous data are collected via automated sensors installed at a monitoring location.
Data type
Data date range
Estuary or ocean water surface elevation above NAVD 1988, feet NAVD88
2017-04-05 - 2025-02-16
Estuary or ocean water surface elevation above NGVD 1929, feet
2017-04-05 - 2025-02-16
Salinity, water, unfiltered, practical salinity units at 25 degrees Celsius
2017-04-05 - 2025-02-16
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
2017-04-05 - 2025-02-16
Temperature, water, degrees Celsius
2017-04-05 - 2025-02-16

Daily data

4 data types available - data from 2017-04-06 to 2025-02-16

Field measurements

0 data types available

Discrete sample data

0 observed properties (data types) available
Site Location
Legend
  • Map markerMonitoring Location
  • Active Monitoring Locations
5 km
3 mi
Leaflet USGS The National Map: National Boundaries Dataset, 3DEP Elevation Program, Geographic Names Information System, National Hydrography Dataset, National Land Cover Database, National Structures Dataset, and National Transportation Dataset; USGS Global Ecosystems; U.S. Census Bureau TIGER/Line data; USFS Road data; Natural Earth Data; U.S. Department of State HIU; NOAA National Centers for Environmental Information. Data refreshed April, 2024.

Operated in cooperation with: