Meteorological Reports. ^°7 



yards distant could be distinguished. Again, on the 17th of 

 the month following, a singularly dense ^moke fog passed 

 over Croydon about 11 o'clock in the morning, obscuring the 

 almosphere so much that the print of the " Times " codd not 

 be read even when the paper was held ^^f^^^ f^!^;";°^; 

 The air in October was at one time so hun^^^ Jhat during he 

 course of four days water was deposited in the f^n"^/ "^ ^e 

 rain-eau-e, by heavy dews and fogs alone, to the depth ot 03 

 n fn ?h; p'roverb'lally foggy month of November, howev^^^^ 

 there occurred only one fog worthy of special notice (tha ot 

 the 24th), and even this lasted for only a few hours But of 

 an the fogs of the year, those of December were the mo 

 remarkable, both from their frequent occurrence and ^heir 

 unusual density. In fact, durmg this month, light ^gs were 

 recorded on six days, fogs on six days and dense fogsal^^^^^^^ 

 six davs and very dense fogs on two days, so that only eleven 

 d"ys 4;e entirel^ free from^fog. The former of the two ver 

 thick smoke fogs was that of the 22nd, when the atmosphere 

 became so obscured between four and five o clock in the 

 afternoon that the houses on one side of a -ad were almost 

 invisible from the other side of it The rnost foggy day, 

 however, was Christmas Day, when from early morning until 

 latrarnighttheairwasso darkened that during the greater 

 part of the day a garden wall, even the upper edge of it at a 

 distance of qo yards, was quite hidden from view. Light fogs 

 weTrecorded'^on 32 days during the year, fogs on 19 days, 

 and dense fogs on 16 days. 



Wind. 



Durin- the spring, and also in January, there was an 

 unusual prevalence of north-easterly winds, but on the othe 

 Sand during the three summer months, the wmd blew almost 

 exclusively from some southerly or westerly point of the com- 



^^The most windy day of the whole year was the 23rd of 

 March, when the total velocity amounted to 497 miles. Un 

 the 4th, and again on the 30th of December, however, the 

 viind auained it^s maximum hourly velocity, namely, 28 miles. 



Rainfall. 



At Addiscombe rain fell on 197 days, or more frequently 

 thari every other day, and on 39 more days than the 15 years 

 average at my residence, 16, Wandle Road. Snow fell on a 

 many as 55 days, its greatest depth on the ground being si 

 inches, on the 22nd of November. 



Falls of rain, amounting to an inch or more in the 24 hours 

 were three in number. The first of these (i-i2 ms.) occuried 



