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<br />Notation <br />Appendix notation is described in each Appendix. While most <br />notation is consistent, slight variations do occur. <br /> <br />Notation <br />a <br /> <br />b <br /> <br />G <br /> <br />6 <br />K <br /> <br />Kc <br />m <br /> <br />N <br />P <br />Q <br />Qb <br /> <br />Q.04 Q.5 <br />r <br /> <br />S <br /> <br />SE- <br />X <br /> <br />SES <br /> <br />Explanation <br />Variate in equations 6 and 7 which depend upon the <br />distribution (23) <br />Variate in equation 6 which depends upon the distri- <br />bution (23) <br />Skew coefficient of logarithms of annual peak dis- <br />cha rges <br />Generalized skew coefficient <br />Pearson Type III deviate <br />Deviate for estimating confidence limits <br />Ordered sequence of flood values, with the largest <br />equal to 1 <br />Number of items in data set <br />Exceedance probability <br />Peak discharge. cfs <br />Discharge at which incomplete records are truncated <br />or discharge below which annual peaks are omitted in <br />frequency analysis <br />Discharge with 0.04 and 0.5 exceedance probability <br />Cross correlation coefficient <br />Standard deviation of logarithms of annual peak dis- <br />cha rges <br />Standard <br /> <br />error of sample mean, <br />S <br />SE- = - <br />XIJif <br /> <br />can be estimated as: <br /> <br />Standard error of sample standard deviation, can be <br />estimated as: <br />=S;1+0.7562 <br />SES <br />I2If <br />in which 6 is the generalized skew coefficient (25) <br /> <br />2-6 <br />