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Notices

What's New in the latest release from April 29, 2026:

This release introduces a new interactive map, accessible through the new 'Historical Data Map Search' section on the Historical Climate Data homepage. It allows users to search for and explore historical climate data across Canada using map based selection tools and search options. The new feature complements the Historical Data Search, that continues to provide station and table based data access. Please contact us if you have any questions or concerns.

Historical data map search

Help

Layer options

Change the visual style of the map.

Basemap

Layer Description
Transportation Displays major highways, roads, and transportation routes.
Simple A minimal background that removes nonessential visual details.
City names Shows city names. Search based on urban geography or identify stations near familiar places.

Markers

Tool Description
Alternative colour palette Displays station markers using an alternative colour palette to improve visual distinction for users with colour vision deficiencies.

Map tools

Select one or more stations by drawing shapes. Find proximity and measure distances between points of interest on the map.

Tool Description
Rectangle Click-hold on the map to draw a rectangle and select multiple stations.
Polygon Click-hold on the map to draw an irregular, multi-side shape and select multiple stations. Close the shape to activate. Click outside the shape to release.
Proximity

Filters by stations within a specific radius of a selected point. Activates by entering a distance between 0.1 and 200 kilometres (km) and then clicking on a focal point on the map.

Note: Map displays are approximate.

Measure

Measures distance between points on the map. Activates with a click‑to‑click action between two points of interest.

Data filters

Narrow down stations: Use filters for text, number, or category.

Filter Description
Search by station name.
Date range
Filters for stations with data available between two dates (start date and end date).
Specific date
Filters for stations with data available on a specific date.
Filters by data interval availability of data observation frequency.
Province or territory
Select multiple stations for one, few, or all provinces and territories.
Coordinates
Filter by specific latitudes and longitudes.
Location
Zoom in to a location to identify stations around it.

Filters for stations within a specific radius of a selected point.

Note: Map displays are approximate.

Elevation (m)
Filters stations by their elevation above sea level in metres.
Filters stations by status: active, inactive (not currently transmitting data), or both.
Climate ID
Filter by climate identifiers.
Transport Canada (TC) ID
Filter by Transport Canada identifiers.
Station operators
Filter stations by one or more station operators.
Clear all applied layers and filters.

Map features

Display

Feature Description

Each dot represents a station.

  • Green dots show active stations (currently operational)
  • Red dots show inactive stations (not currently transmitting data)
Click on the map to see highlighted station dots. Find the station information (metadata) in the Station results panel.

Navigation

Use the Navigation controls in the bottom margin of the map to change the map view.

Symbol Description
Zoom in for more detail
Zoom out for less detail
Enter full screen / Exit full screen
Copyright information
1000 km
Unit scale bar
23.6436 N , 146.6402 W
Live coordinates readout

Pan the map: click-hold on the map and drag. Zoom in or out: hover over the map and use the mouse scroll wheel.

Station results

Shows all stations from applied filters or selections. Access data report pages and download search results.

Object Description

Collapsed station card:

TALOYOAK A

Expanded station card:

TALOYOAK A

Expandable section that displays information (metadata) available for the station or a number of stations selected on the map. Metadata available:

Station identifiers: Province or territory:

Full name of the province or territory

Geopositional coordinates:
  • latitude in decimal degrees
  • longitude in decimal degrees
  • elevation in metres
Station status
  • active (currently operational)
  • inactive (not currently transmitting data)
Station operator:

Organization responsible for the given station (listed where applicable)

Data interval availability:
  • hourly data (first and last date of data available)
  • daily data (first and last date of data available)
  • monthly data (first and last date of data available)

Note: Station's metadata and data availability are subject to availability in the National Climate Archive.

Click to access station's data report pages
Click to download the results of a search in comma separated format
Click to scroll to the top of the Station results list

Page details

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