Hi, Yesterday and today my little boy has been needing a lot less insulin and it seems his ratio has changed from about 1:17 to 1:24 at lunch time. Could this be down to the warmer weather? Nothing else has changed in his lifestyle so I'm trying to work out what has caused it. I know that some people's insulin requirements change when it's warmer, but it seems such a big change. Has anyone else noticed this. Leggott