Flowing Waters Information System Temperature Data

Map and Visualize

This dataset includes monitored air and water temperature across Ontario since 1990. The data were collected by multiple organizations for a variety of purposes (collection organization names are listed in the Result Comment of this dataset).

This dataset includes only a portion of a larger dataset available on FWIS ( ), which includes maximum air temperature and predicted maximum water temperature and a standardized water temperature, for records that meet the criteria for applying the algrorithms. The FWIS dataset represents a summary of the two module types from within OSAP that provide varying methods of measuring stream and air temperature. Those being the rapid and standard methods. To fully apply the standard method water temperature is recorded between 3:45 and 5:00 when maximum air temperature would be greater or equal to 24 C. Such measures ensure that the stream is approaching maximum temperature for that day and enables summer maximum or standardized temperature to be calculated for the site. Air temperature at the site is also often recorded when the water temperature is recorded on site. It is used as a backup for analysis, but is not necessary. If either the maximum air temperature is lower than this value or the temperature is recorded outside this window, it is considered a rapid assessment value. Users can conclude that the stream gets to a maximum of at least the value recorded but is likely to exceed this value at some point during the summer. Note that many observations have been extracted from digital temperature recorders (the diagnostic method), with summer maximum temperatures extracted along with air temperature data from other sources. These are generally identified as those records with more than one decimal point.

Guidance for the FWIS dataset methods are from:
Stanfield, L. W. (Ed.). 2010. Stream assessment protocol for southern Ontario. Ontario Ministry of Natural Resources, internal publication.

Version 1.0.0
Data Steward Email
Data Collection Organization Multiple organizations within Ontario
Data Upload Organization Center for Community Mapping (CoMap)------------------------------------------------------------
Progress Code onGoing
Maintenance Frequency Code continual
Topic Category Code inlandWaters
Keywords stream, water temperature
Spatial Extent -94.296° 42.342°, -74.457° 49.04° (W S, E N)
Temporal Extent 1990-07-22 to 2023-08-04
Date Published
Alternate Formats FGP-HNAP ISO:19115-2 (XML) , W3C DCAT (XML) , W3C DCAT (JSON-LD)


CoMap. 2024. Flwoing Waters Information System, Temperatrue Data.

Data Collection Information

Data cfollected using either a hand held thermometer or a digital temperature recorder from whcih data were extracted for days in which the criteria were met to enable thermal stability to be calculated.

Attribution Licence (ODC-By) v1.0

You are free to share, copy, distribute, use, modify, transform, build upon, and produce works from the data as long as you attribute any public use of the data, or works produced from the data, in the manner specified in the licence. For any use or redistribution of the data, or works produced from it, you must make clear to others the licence of the data and keep intact any notices on the original data.

Data Disclaimer

FWIS data are being loaned to the User by the Centre for Community Mapping (COMAP) and the FWIS data contributor(s) for the express use of the project specified under ‘Intended use of data and intended publications’ in question. Further use beyond said project, or resale or redistribution of any of these data components in whole or in part is prohibited.
FWIS data contributors must be acknowledged in any publication that involves these data, and any data analysis based upon this data, by displaying the following text:
“In appreciation of the benefit of the Ontario Stream Assessment Protocol, of the Flowing Waters Information System infrastructure, the Centre for Community Mapping and of the effort of southern Ontario’s stream monitoring community, we gratefully acknowledge the (insert name(s) of organization(s)) for the use of their data”
Data contributors hereby give permission for the data to be shared with data Users that also agree to the conditions as outlined in this data sharing agreement.
Data will be used at the User's own risk. COMAP and the data contributors assume no responsibility for errors or omissions in any of the information contained on this web site. In no event shall the Centre for Community Mapping or any of the data contributors to FWIS be held liable for any costs, claims or damages resulting from the User's use of the data.
The User may not transfer, sublicense, sell (commercially or privately), loan, or distribute the data or otherwise transfer the data in whole or in part to any third party, without prior written consent of the data contributor. This license cannot be assigned.
The User will identify obvious data entry errors within the FWIS application and COMAP will communicate the error reports to the data contributor for review.
COMAP and the FWIS data contributors assume no obligation or liability to provide updates or corrections to the data to users. Quality assurance and quality control of the data is ongoing. FWIS data contributors are continually adding to FWIS datasets.
Failure to comply with the terms of this agreement will result in the termination of this agreement. This agreement will automatically terminate upon completion of the User’s Project. Upon termination, the User shall cease all use of the data and destroy any and all copies of the raw data obtained.
Title to the datasets and any copies thereof and all rights in copyright and other intellectual properties in such shall remain with the FWIS data contributors.
COMAP and the data contributors may make any changes to their information on this web site, including the addition, deletion or modification of data and information, at any time without prior notice.
The terms and conditions upon which users may access and use this web site are governed by the laws of Ontario and the laws of Canada applicable in Ontario.

API Access

curl -G --data-urlencode "\\$filter=DOI eq '10.25976/ugst-v250'" -H "x-api-key: PRIVATE-API-KEY"



initial submission

Schema v2.20.1
Digest SHA3-256:2f1c0c20c08230d0bf974986f35db9d3a7a05d7ee298a9743a9a86822614278e
File size 2.36 MB