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TRANSACTIONS OF THE 



Comparative Summer Weather in Sacramento, from 1878 to 1887. 



The following comparative meteorological report shows the average barom- 

 eter; highest, lowest, and range of barometer; average temperature; high- 

 est, lowest, and range of temperature ; average relative humidity and dew 

 point; total precipitation; prevailing direction; total, and maximum veloc- 

 ity of wind, with the direction at time of maximum velocity; total number 

 of clear, fair, and cloudy days, and number of days rain fell; solar and 

 lunar halos; number of days maximum temperature was above 90°; and 

 the highest, lowest, and range of water in the river during each summer: 



