Rainless days of London

Abstract

SUMMARYThe incidence of the 12,616 rainless days which have occurred at London (Kew) during the 70 years, 1878 to 1947, has been examined, a rainless day being one on which less than 0 . 1 mm. of rain has fallen.The average number of rainless days is greatest in June and least in November. On the average just under half the days in the year are rainless.