Work on electrical systems at one of our data centres is planned this Saturday from 7:30 am to 11:30 pm PDT (10:30 am to 2:30 am EDT). Should this web site become slow or unreachable during this time, please follow us on Twitter @SpaceWeatherCA ( for up-to-date information.

Canadian Hourly ranges - 2014

Please select the file of interest for the year 2014. Note that the filename is composed of the 3 letter observatory IAGA code, the 4 digit year, and the 3 digit day of the year.