Table 1. 



-Comparison of two methods of obtaining tem]}erature records 

 in the Brule River, 1958 



[Means of daily maximum -minimum readings from a recording thermograph; single readings 



taken once a day with pocket thermometer. Averages for 10- or 11 -day periods based 



on days for which both maximum -minimum and single temf>eratures are available. ] 



(Continued) 



