Update powerwall.sh

powerwall.sh

@@ -204,6 +204,7 @@ AVERAGETEMP(){
 		((logsfound++))
 	done  < <(${mysql_conn} -se "USE servermonitor; SELECT date,temp,hum from sensor_data WHERE ${WHERE} AND date BETWEEN DATE_SUB(DATE(NOW()), INTERVAL ${daysback} DAY) AND NOW() ORDER BY id DESC;")
 	average=$(bc <<< "scale=1; ${temptotal}/${logsfound}")
+	(( $(bc <<<"${average} < 1") )) && [[ "${average}" = *"."* ]] && average="0${average}"
 	echo ${average}
 }