461 
OF FREQUENCY AT THE BAROMETRIC HEIOHT AT DIVERS STATIONS. 
them sufficiently satisfactory to justify the view that a station could be found in 
Yorkshire for which correlation would pass into a causal relationship. 
Table XII.— IJlustrating Approach from Correlation to Causal Relationship. 
Stony hurst. 
Dift'erenc 
Observation. 
Calculation. 
.30-o8 
30-61 
+ 0-03 
30-17 
30-14 
-0-03 
3003 
29-98 
-0-05 
30-00 
30-11 
+ 0-05 
29-92 
-29-94 
+ 0-02 
30-35 
30-38 
+ 0-03 
29-85 
29-84 
-0-01 
30-12 
30-11 
-0-01 
30-13 
30-13 
0-00 
30-19 
30-20 
+ 0-01 
30-51 
30-48 
-0-03 
30-65 
30-62 
-0-03 
30-17 
.30-21 
+ 0-04 
29-52 
29-55 
+ 0-03 
30-51 
30-50 
-0-01 
29-91 
29-90 
-0-01 
29-94 
-29-94 
o-oo 
30-17 
30-18 
+ 0-01 
30-13 
30-10 
-0-03 
30-34 
30-33 
-0-01 
30-74 
30-73 
-0-01 
30-18 
30-25 
+ 0-07 
30-16 
30-18 
+ 0-02 
30-41 
30-38 
-0-03 
30-01 
30-00 
-0-01 
29-15 
•29-18 
+ 0-03 
30-28 
30-26 
-0-02 
29-79 
•29-85 
+ 0-06 
29-93 
29-90 
-0-03 
29-91 
29-93 
+ 0-02 
30-11 
30-11 
0-00 
29-99 
29-92 
-0-07 
29-43 
29-45 
+ 0-02 
30-15 
30-15 
0-00 
30-22 
30-22 
0-00 
30-16 
30-13 
-0-03 
30-27 
30-29 
+ 0-02 
29-56 
29-61 
+ 0-05 
29-66 
29-85 
+ 0-19 
30-23 
30-25 
+ 0-02 
29-02 
-28-99 
-0-03 
30-35 
30-30 
-0-05 
29-92 
29-92 
0-00 
29-99 
29-95 
-0-04 
•29-95 
•29-96 
+ 0-01 
29-58 
29-62 
+ 0-04 
30-11 
30-11 
+ 0-00 
30-18 
30-22 
+ 0-06 
29-92 
29-89 
-0-03 
29-49 
29-46 
-0-03 
