A statistical estimate of daily mean temperature derived from a limited number of daily observations

Details A statistical estimate of daily mean temperature derived from a limited number of daily observations A statistical estimate of daily mean temperature derived from a limited number of daily observations

Sep 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002georl..29r..39z&link_type=abstract

Geophysical Research Letters, Volume 29, Issue 18, pp. 39-1, CiteID 1892, DOI 10.1029/2001GL014378

Mathematics

Logic

1

Meteorology And Atmospheric Dynamics: Climatology (1620), Information Related To Geographic Region: Asia, Meteorology And Atmospheric Dynamics: Paleoclimatology

Scientific paper

When a study is made of past climatic variations, it is preferable to obtain as long an instrumental record as possible. In Japan, the earliest official meteorological observations by JMA (Japan Meteorological Agency) date back to Hakodate in 1872. For about 130 years, the frequency and time of daily observation has varied. This is one of the major factors in creating data inhomogeneity. Accordingly, statistical estimation has been attempted to bridge the gap in daily mean temperatures caused by the limited number of daily observations. A Multiple Linear Regression Analysis was practically applied in the estimation of the daily mean temperature. The true value obtained from 24 hourly observational values (real daily mean temperature) was compared to a derived result using only three to four plus maximum and minimum daily observed temperatures. A high correlation between real values and estimated values was proven to exist.

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