RELATIVE PREVALENCE OF WIND PROM DIFFERENT QUARTERS IN 1870. 







ALNWICK. 



NORTH SHIELDS.— Rosella Place. 



WYLAM. 



DURHAM OBSERVATORY. 









Days and 

 Direction. 



Calculated Average 

 Velocity in Miles.* 



1870. 



Prevailing Wind 

 and Force. 



Av. Amt. 

 of Cloud. 



Direction. 



Estimated 

 force, 0-10. 



Mean 

 Velocity. 



Times observed 

 in eacii quarter. 



Relative 

 frequency. 





N 31 



N.E. ... 34 

 N.W. ... 23 



S 36 



S.E. ... 42 

 S.W. ... 61 

 E 7 



Variable 66 



365 



January ... 24-6 

 February 30-1 



March 27-0 



April 30-4 



May 31-9 



July 22-3 



August ... 17'3 

 September 246 

 October ... 30'7 

 November 22'6 

 December 29-7 



February . . . 

 March 



N.W. . 

 S.W. 

 N.E. 

 N.W. 

 S.W. . 

 N.W. 

 N.W. . 

 N.E. 

 S.W. . 

 S.W. . 

 N.W. . 

 N.W. . 



.. 1-5 

 .. 1-6 

 .. 1-9 

 .. 1-8 

 .. 1-7 

 .. 1-6 

 .. 1-7 

 .. 1-8 

 .. 1.7 

 .. 2-0 

 .. 1-5 

 .. 1-7 



5-8 

 7'9 

 6-4 

 4-8 

 .6-8 ; 

 6-9 i 

 6-4 



6-1 | 

 5-4 

 6-6 

 6-8 

 6-5 



W. 10° s. 

 W. 14° N. 



N. 3° E. 



W. 3° S. 

 S.W. 10° N. 



w. 



W. 22° N. 



N.E. 3° N. 



W. 11° S. 



W. 10° N. 

 N.W. 20° N. 

 N.W. 30° N. 



1-19 

 213 

 1-67 

 1-83 

 1-90 

 1-18 

 1-09 

 1-07 

 1-27 

 1-58 

 1.30 

 1-39 



miles. 



10-06 



14-15 



11-37 



12-30 



.1291 



7-68 



7-61 



7-03 



9-09 



10-92 



8-71 



10-35 



N 75 



N.E.... 65 



E 54 



S.E. ... 29 



S 159 



S.W.... 87 

 W. ... 136 

 N.W... 95 

 Calm... 29 



2)729* 



364^ dys. 

 ♦Defective 1 Reading 

 in July 



10-29 

 8-92 

 7-41 

 3-98 

 21-80 

 11-93 

 18-66 

 13-03 

 3-98 



100-00 



May 





August 



September . . . 



October 



November ... 

 December ... 



N.W. ... 1-7 



6-3 1 



"W. 20° N. 



1-48 



10-18 



* Registered by self-acting Anemc imeter at Alnwick Castle. 



Direction. 



North 

 Sunder- 

 land. 



Rothbury. 



Wellington 



Whitley. 



Newcastle. 



Cresswell. 



North 

 Shields. 



Post 

 Office.* 



Shotley 

 Hall. 



Sunderland 

 West 

 Hendon 

 House.! 



Sedgefield. 



Seaham 

 Ilall.t 



Seaham. 



London- 

 derry 

 Office. 



Darlington 



Gainford. 



Acklam, 

 .Middlesbro 



Elartlepool. 



N 



N.E. ... 

 N.W. ... 



S 



S.E. ... 

 S.W. ... 



E 



W 



Variable 



Total 



Days. 

 75 

 14 

 25 

 86 

 19 

 37 

 21 

 88 



Days. 



44 

 22 

 104 

 15 

 48 

 46 

 16 

 70 



Days. 

 12 

 72 

 87 

 14 

 36 

 48 

 12 

 74 



Days. 

 33 

 40 

 57 

 23 

 44 

 73 

 18 

 77 



Days. 

 28 

 26 

 38 

 33 

 11 

 63 

 24 

 94 



Days. 

 30 

 32 



73 * 

 13 

 74 

 49 

 22 

 66 



Days. 

 29 

 17 

 20 

 20 

 5 

 28 

 11 

 54 



Days. ; 

 26 

 37 

 49 

 23 

 23 

 59 

 39 



73 . 



Days. 

 18 

 11 

 02 

 35 

 24 

 57 

 16 

 91 



Days. 



10 

 7 



18 



76 



12 



38 



32 

 133 



39 



Days. 

 98 

 34 

 22 

 46 

 14 

 29 

 31 

 61 



Days. 

 37 

 37 

 34 

 37 

 36 

 24 

 44 

 91 

 25 



Days. 

 50 

 64 

 33 

 35 

 27 

 77 



65 



Days. 

 60 

 6 



78 

 11 

 2 

 10 

 10 

 58 



235 



Days. 

 53 

 37 

 40 

 35 

 14 

 90 

 25 

 71 



365 



Days. 

 82 

 36 

 40 

 29 

 46 

 93 

 8 

 29 



365 



365 



365 



365 



365 



317 



359 



184 



329 1 



314 



365 



335 



365 



356 



* July — December. t No observation made in August. Deficencies in April, July, 



§ Nine Days no observations. 



September, October, and November. } No observations in June. 

 U May, December. 



