38 EFFECTS OF WINDS AND OF 



Example of computation of daily barometric effects (Milwaukee, Aug. 26 to Sept. #4, 1910). 



The corrections shown in the fourth column were applied to the values 

 shown in the third column to obtain the final adopted values of the baro- 

 metric corrections as shown in the fifth column. 



The rule ordinarily observed in regard to selected days was to place them 

 not more than 1 month apart in any case and not more than 10 days apart 

 over any interval through which the discrepancy to be distributed exceeded 

 0.070 foot. 



The discrepancy in question is due to two causes: (a) to omitted decimal 

 places in the computations, and (6) to the fact that the process of computing 



