Variations being comparatively small doesn't make them tiny. Shortest day in SF is 9.5 hours. Longest day in SF is 14.75 hours. That's a significant differenc

Variations being comparatively small doesn't make them tiny. Shortest day in SF is 9.5 hours. Longest day in SF is 14.75 hours. That's a significant difference. In comparison to Stockholm (6/18.5) it doesn't appear significant - but it's in no way tiny.