<?xml version="1.0" encoding="UTF-8"?>
<xsd:schema version="5.0" xmlns:nwis="http://water.usgs.gov/XML/NWIS/5.0"

	xmlns:xsd="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified">

	<xsd:include schemaLocation="../shared/IEEE754FloatValue.xsd" />
	<xsd:include schemaLocation="../shared/WaterYear.xsd" />

	<xsd:element name="StatisticalSummaryAnnual">
		<xsd:annotation>
			<xsd:documentation>
				<Definition>The annual statistics of mean, maximum, and minimum, of
					the daily mean values for each water year starting at the beginning
					of record through the specified water year.</Definition>
			</xsd:documentation>
		</xsd:annotation>
		<xsd:complexType>
			<xsd:sequence>

				<xsd:element name="DaysUsedNumber" type="xsd:integer">
					<xsd:annotation>
						<xsd:documentation>
							<Definition>The number of days of daily values used in the
								calculation.</Definition>
						</xsd:documentation>
					</xsd:annotation>
				</xsd:element>
				<xsd:element name="MeanMeasure" type="IEEE754FloatValueType" minOccurs="0">
					<xsd:annotation>
						<xsd:documentation>
							<Definition>The mean of all of the daily values starting at the beginning
					of record through the specified water year.</Definition>
						</xsd:documentation>
					</xsd:annotation>
				</xsd:element>
				<xsd:element name="MinimumMeasure" type="IEEE754FloatValueType" minOccurs="0">
					<xsd:annotation>
						<xsd:documentation>
							<Definition>The minimum of all of the daily values starting at the beginning
					of record through the specified water year.</Definition>
						</xsd:documentation>
					</xsd:annotation>
				</xsd:element>
				<xsd:element name="MinimumWaterYear" type="xsd:positiveInteger" minOccurs="0">
					<xsd:annotation>
						<xsd:documentation>
							<Definition>The water year in which the minimum occurred.</Definition>
						</xsd:documentation>
					</xsd:annotation>
				</xsd:element>
				<xsd:element name="MaximumMeasure" type="IEEE754FloatValueType" minOccurs="0">
					<xsd:annotation>
						<xsd:documentation>
							<Definition>The maximum of all the daily values starting at the beginning
					of record through the specified water year.</Definition>
						</xsd:documentation>
					</xsd:annotation>
				</xsd:element>
				<xsd:element name="MaximumWaterYear" type="xsd:positiveInteger" minOccurs="0">
					<xsd:annotation>
						<xsd:documentation>
							<Definition>The water year in which the maximum occurred.</Definition>
						</xsd:documentation>
					</xsd:annotation>
				</xsd:element>
			</xsd:sequence>
		</xsd:complexType>
	</xsd:element>
</xsd:schema>
