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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z | ![]() |
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First Edition Preface Second Edition Preface Acknowledgments
daily meanThe long-period mean value of a climatic element on a given day of the year. A curve of daily means throughout the year shows the annual variation in much greater detail than a curve based on monthly means, but unless it is based on a long period (at least 50 years) it will probably be dominated by random irregularities. Such long-period daily means might be referred to as “normal daily values.”