498 



METEOROLOGICAL REPORT, 1871, BY THE 



Mean Relative Humidity in 1871. 



FOR WHOLE DISTRICT. 



FOR WHOLE YEAR. 



MONTHS. 



^lity!" I MONTHS. 



Humi- 

 dity. 



STATIONS. 



Humi- 

 dity. 





89 

 90 



85 

 86 

 80 

 82 





80 

 80 

 83 

 90 

 89 

 91 



North Sunderland 



90-2 



87-7 

 84-1 

 82-9 



82-5 



February 



March 





September 



October 



North Shields (I.) 





May 















Average for Whole Year 85"5 



Average for Whole 

 District, 85"5. 



Mr. J. J. Plummer, of Durham Observatory, has kindly fur- 

 nished also the following record of the mean estimated amount 

 of cloud. The scale is from to 10. 



Mean estimated amount of CLOUD, at Durham Observatory, in the 

 several Months q/~1871. 



MONTHS. 



Cloud. 



MONTHS. 



Cloud. 



January.. 

 February 

 March .. 



April 



May 



June 



6-21 

 7-70 



5-74 

 7-52 

 5'90 

 7-23 



July 



August ... 

 September 

 October . . . 

 November 

 December 



7-03 

 3-92 

 7-23 

 5-85 

 5-61 

 6-59 



Average for Whole Year G'SS. 



PRESSURE. 



The general table of Pressure is formed on a similar plan to 

 those of Wind, Temperature, and Humidity, which have preceded 

 it. It gives, in addition to the names of the stations, their 

 height, as far as has been ascertained, above the level of the 

 sea, the greatest and least pressures in each month, with the 

 dates, the monthly range of pressure, and the mean daily pres- 

 sure. Where the height of the barometer has been corrected 

 for temperature the fact is indicated by the letter t annexed to 



