VII. 



METEOROLOGICAL OBSERVATIONS TAKEN AT WANSFORD 

 HOUSE, WATFORD, DURING THE YEAR 1881. 



By JonN- HopKiNsoiV, F.L.S., F.M.S., etc., Hon. Sec. 



Head at Watford, 2lst March, 1882. 



Longitude of station, 0° 23' 40" W. ; Latitude, 51° 39' 45" K 

 Ground-level at thenuometer-stand and rain-c,aui;e 223 feet, and 

 cistern of barometer 233.^ feet above Ordnance Datum.* 



The monthly means, etc., of the daily observations, which have 

 been taken in the same manner as in previous years, are given in 

 the accompanying tables (pp. 5^, 59), from which (for Dec. 1880 

 from the previous report) the following summary for the different 

 seasons is deduced, results for Greenwich Observatory being added 

 for comparison as before. 



"W.iTFORD. 



Greenwich. 



The most striking feature of the weather of the year 1881, as 

 shown in these tables, is the great range of temperature. I have 

 not before registered at "Watford a temperatiire either so low as 6° -4 

 nor so high as 91°-7, and the range of 85°-3 thus shown is certainly 

 exceptional. The year will not, however, be chiefly memorable 

 either for the extreme cold in January or the extreme heat in July. 

 The snowstorm of the 18th of January, which put a stop to all 



* For fuller particulars see 'Trans. Watford Nat. Hist. Soc.,' Vol. I, p. 217, 

 and Vol. II, p. 2u9 ; and ' Trans. Herts Nat. Hist. Sou.,' Vol. I, p. 1-21. 



