diff --git a/lib/logstorage/block_result.go b/lib/logstorage/block_result.go
index a67740148..abce4a318 100644
--- a/lib/logstorage/block_result.go
+++ b/lib/logstorage/block_result.go
@@ -1599,6 +1599,17 @@ func (c *blockResultColumn) getMaxValue(br *blockResult) float64 {
 			}
 		}
 		return max
+	case valueTypeFloat64:
+		max := nan
+		for _, v := range c.encodedValues {
+			b := bytesutil.ToUnsafeBytes(v)
+			n := encoding.UnmarshalUint64(b)
+			f := math.Float64frombits(n)
+			if math.IsNaN(max) || f > max {
+				max = f
+			}
+		}
+		return max
 	case valueTypeIPv4:
 		return nan
 	case valueTypeTimestampISO8601:
@@ -1696,6 +1707,17 @@ func (c *blockResultColumn) getMinValue(br *blockResult) float64 {
 			}
 		}
 		return min
+	case valueTypeFloat64:
+		min := nan
+		for _, v := range c.encodedValues {
+			b := bytesutil.ToUnsafeBytes(v)
+			n := encoding.UnmarshalUint64(b)
+			f := math.Float64frombits(n)
+			if math.IsNaN(min) || f < min {
+				min = f
+			}
+		}
+		return min
 	case valueTypeIPv4:
 		return nan
 	case valueTypeTimestampISO8601: