Abstract
THE quality of a winter season may be fairly estimated from the number of days on which the minimum temperature has gone below a given limit; and the quality of a summer season, from the number of days on which the maximum temperature has gone above a given limit. Two tables issued from Greenwich are here convenient for use; one giving frost days (since 1841), the other days on which the temperature reached or exceeded 70°. There are more of the latter than of the former; seventy-seven on an average, as against fifty-five frost days (in September to May).
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M., A. Summer and Winter in Relation to the Sunspot Cycle. Nature 58, 270–271 (1898). https://doi.org/10.1038/058270b0
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DOI: https://doi.org/10.1038/058270b0