Rework wind history API

Weather/Service/Data/Resources/GetWindDirectionHistory.sql

@@ -1,5 +0,0 @@
-SELECT WindDirection, COUNT(WindDirection) AS Count
-FROM Reading
-WHERE Timestamp BETWEEN @Start AND @End
-  AND WindDirection != -1
-GROUP BY WindDirection

Weather/Service/Data/Resources/GetWindHistoryGrouped.sql

@@ -1,12 +1,14 @@
 SELECT Bucket,
-	   MIN(WindSpeed) AS Minimum,
-	   AVG(WindSpeed) AS Average,
-	   MAX(WindSpeed) AS Maximum
+	   MIN(WindSpeed) AS MinimumSpeed,
+	   AVG(WindSpeed) AS AverageSpeed,
+	   MAX(WindSpeed) AS MaximumSpeed,
+	   AVG(WindDirection) AS AverageDirection
 FROM (
          SELECT CAST(FORMAT(Timestamp, 'yyyy-MM-ddTHH:') +
                 RIGHT('00' + CAST(DATEPART(MINUTE, Timestamp) / @BucketMinutes * @BucketMinutes AS VARCHAR), 2)
 				+ ':00+00:00' AS DATETIMEOFFSET)									  AS Bucket,
-                WindSpeed
+                WindSpeed,
+				WindDirection
          FROM Reading
          WHERE Timestamp BETWEEN @Start AND @End
      ) AS Data