342 



TRANSACTIONS OF THE 



Oroville Weather for December. 



The following data show the mean daily temperature, the highest and 

 lowest temperature, and the mean of the highest and lowest, for the month 

 of December, 1886: 



Total rainfall, 2.75 inches. 



Oroville Weather for January, 1887. 



This table gives the mean daily temperature, the maximum and mini- 

 mum temperature, and the mean of the maximum and minimum, for the 

 month of January, 1887: 



Max. 



70 

 54 

 66 

 55 

 68 

 70 

 67 

 64 

 62 

 60 

 60 

 63 

 63 

 58 

 58 

 59 

 62 



Min. 



Mean 

 I Max. Min. 



48 

 49 

 41 

 41 

 40 

 50 

 43 

 37 

 42 

 37 

 41 

 49 

 52 

 50 

 54 

 32 

 34 



59.0 

 51.5 

 53.5 

 48.0 

 54.0 

 60.0 

 55.0 

 50.5 

 52.0 

 48.5 

 50.5 

 56.0 

 57.5 

 54.0 

 53.5 

 45.5 

 48.0 



Date. 



Mean.. 



Mean. 



50.28 



Max. 



50 

 62 

 53 

 61 

 61 

 60 

 56 

 60 

 60 

 56 

 58 

 61 

 64 

 61 



60.22 



Min. 



49 

 51 

 46 

 46 

 36 

 42 

 51 

 32 

 40 

 37 

 33 

 37 

 40 

 39 



42.17 



Mean 

 Max. Min. 



53.0 

 56.5 

 50.0 

 53.5 

 48.5 

 51.0 

 51.5 

 46.0 

 50.0 

 46.5 

 45.5 

 49.0 

 52.0 

 50.0 



51.11 



Total rainfall, 1.02 inches. 



