Note 26 — IV.
Reading edition
The fall of rain, according to Dr. Hoberdon's observations, is, on a seven years' average, 30·62 inches per annum. Dr. Mittermayr, from Heidelberg, states, on a three years' average, the rainy days to be 95 per year. Johnston, in his Physical Atlas of Natural Phenomena, states the fall of rain on an average to be 29·82 inches, and the number of rainy days 100 per annum, viz. 48 in the winter, 17 in the spring, 4 in the summer, and 31 in the autumn.