I had some issues. value's decimal point was deleted in kibana visualization and dashboard value was a numeric field. I tried to change number format, but it didn't work. I figured the field was indexed as 'long' (default mapping) check my mapping info http://{localhost}:9200/{index_}*/_mapping timestamp: { type : "date" } , value: { type : "long" } , week: { type : "long" } I updated mapping type to float from long curl -X "PUT" "http://{localhost}:9200/_template/{template name}" \ -H 'Content-""type":" application/json; charset=utf-8' \ -d $'{ "index_patterns": [ "{index_}*" ], "template": "*", "mappings": { "docs": { .... "timestamp": { "type": "date" }, "value": { ...