553 



METEOROLOGICAL OBSERVATIONS. 



OBSERVATORY. 

 FORT NISQUALLY, OREGON TERRITORY. 



RESULTS. 



BAROMETER. 



Mean of 56 days, 

 Highest mean, 

 Lowest mean, 

 Highest point, 

 Lowest point, 



29-968 

 30-283 

 29-529 

 30-334 



29-472 



THERMOMETER WITH BLACK BULB. 



Mean of 56 days, 65-63 



Highest mean, 75-5 



Lowest mean, 49 



Highest point, 102 



Lowest point, 



38 



THERMOMETER WITH WHITE WOOL. 



Mean of 50 days, 67-83 



Highest mean, 78-55 



Lowest mean, 50-82 



Highest point, 107 



Lowest point, 37 



TEMPERATURE OP WATER. 



Mean of 55 days, . 

 Highest mean, 

 Lowest mean, 

 Highest point, 

 Lowest point, 



53-09 

 56-21 

 49-66 

 57 



48 



ATTACHED THERMOMETER. 



Mean of 56 days, 62-82 



Highest mean, 70-47 



Lowest mean, 50-06 



Highest point, 92 



Lowest point, 37 



THERMOMETER WITH BLACK WOOL. 



Mean of 55 days, 69-63 



Highest mean, 81-66 



Lowest mean, 51-09 



Highest point, 112 



Lowest point, 



THERMOMETER WITHOUT WOOL. 



Mean of 55 days, 62-85 



Highest mean, 70-72 



Lowest mean, 50 



Highest point, 98 



Lowest point, 37 



THERMOMETER AT MAST-HEAD. 



Mean of 54 days, 55-69 



Highest mean, 66-75 



Lowest mean, 47 



Highest point, 78 



Lowest point, 40 



