seepark_web.js: print temperature in y axis with 1 decimal place

otherwise we hav 21, 21.5, 22, 22.5 ...

diff --git a/web/static/seepark_web.js b/web/static/seepark_web.js
index 025aefa..1af2da3 100644 (file)
--- a/web/static/seepark_web.js
+++ b/web/static/seepark_web.js
@@ -43,7 +43,7 @@ var chart = c3.generate({
                        },
                        tick: {
                                format: function (d) {
-                                       return d + '°';
+                                       return d.toFixed(1) + '°';
                                }
                        }
                }