266 



TRANSACTIONS OF THE 



August Weather, from 1877 to 1886. 



The meteorological data contained in the following report show the 

 monthly average barometer; highest, lowest, and monthly range of barom- 

 eter: monthly average temperature; the highest, lowest, and monthly 

 range of temperature; greatest and least daily range of temperature; 

 monthly average maximum, minimum, and range of temperature; aver- 

 age relative humidity and dew point; total rainfall; prevailing direction, 

 total velocity, and maximum velocity of wind, along with the direction at 

 time of maximum velocity; total number of clear, fair, and cloudy days 

 and number of days rain fell; number of days the maximum temperature 

 was above 90°; and the highest, lowest, and monthly range of water in the 

 river: 



ArGUST : 



1ST". 



lsVs. 



IsT'.i. 



1880. 



]v-l. 



1882. 



1883. 



1884. 



18S5. 



1886. 



Average barometer 



Highest barometer.. 



Lowest barometer .. 



Monthly range of 

 barometer 



Average tempera- 

 ture 



Highest tempera- 

 ture 



Lowest temperature. 



Monthly range of 

 temperature 



Greatest daily range 

 of temperature 



Least daily range of 

 temperature 



Mean maximum 

 temperature 



Mean minimum 

 temperature 



Mean range of tem- 

 perature 



Average humidity .. 



Average dew point. . 



Prevailing wind 



Total precipitation.. 



Total velocity of 

 wind 



Maximum velocity 

 of wind 



Direction at time of 

 maximum velocity 



Clear days 



Fair days 



Cloudy days 



Lays rain fell 



Thunder and light- 

 ning storms 



Solar halos 



Lunar halos 



Number of days 

 maximum temper- 

 ature above 90° 



Highest river 



Lowest river 



Range of river 



2! i. Mi 

 30.06 

 29.76 



0.30 



72.0 



95.0 

 54.0 



41.0 



39.0 



23.0 



89.7 



56.4 



33.3 



46.0 



S. 

 spr. 



3.650 



20 



S. 

 31 











1 





 

 



16 



5.8 

 5.2 

 0.6 



29.82 

 30.06 

 29.63 



0.43 



7.3.4 



100.5 

 53.0 



47.5 



35.0 



18.0 



88.2 



58.9 



29.3 

 52.0 



S. 

 none 



3.984 



13 



S. 

 25 



6 

 

 









 



10 

 8.3 

 6.4 

 1.9 



29..MI 

 30.03 

 29.62 



0.41 



74.7 



103.0 

 54.0 



49.0 



40.0 



19.0 



90.9 



60.4 



30.5 



49.2 



29.84 

 30.05 

 29.58 



0.47 



69.7 



97.0 

 49.0 



48.0 



33.0 



19.0 



85.4 



57.0 



28.4 

 56.1 



29.89 

 30.14 



29.72 



0.42 



68.2 



94.6 

 51.0 



43.6 



35.3 



21.7 



84J8 



50.0 



28.6 



.-,(!.! I 



s. 



spr. 



3.981 



14 



S. & N. 

 2!i 

 2 

 



1 





 

 



17 

 8.1 

 6.5 



1.6 



S. 

 none 



4.786 



20 



S. 

 30 

 1 

 

 





 







7 



13.3 



9.3 



4.0 



S. 

 none 



5.189 



19 



S.W. 

 31 

 

 

 





 

 



4 



8.0 

 6.7 

 1.3 



29.89 

 30.09 

 29.73 



0.36 



71.9 



99.8 

 55.0 



44.8 



35.6 



23.0 



89.4 



58.6 



30.8 

 57.3 

 54.7 

 S. 

 none 



4.477 



16 



S. 

 31 

 

 

 









 



12 

 8.6 

 6.9 



1.7 



29.92 

 30.09 



2H.77 



0.32 

 71.4 



100.0 



54.8 



45.2 



38.5 



19.0 



88.9 



59.2 



29.7 

 57.8 

 54.4 

 S. 

 none 



4.597 



18 



N.W. 



30 



1 





 





 

 



11 



7.8 



■ 



1.0 



29.89 

 30.09 

 29.73 



0.36 



72.5 



100.0 



54.0 



46.0 



33.8 



20.5 



88.7 



60.8 



27.9 

 60.8 



57.5 



S. 



spr. 



5.234 



18 



S.W. 

 29 



2 

 



1 





 

 



13 

 11.5 



8.6 

 2.9 



29. S3 

 29.98 



29.64 



0.34 



73.0 



105.0 

 51.5 



53.5 



42.0 



21.5 



91.9 



59.8 



32.1 

 53.2 

 53.3 

 S. 

 none 



5.164 



18 



S.W. 

 30 



• 1 

 

 





 

 



19 

 7.8 



7.3 

 0.5 



29.83 

 29.97 

 29.70 



0.27 



71.6 



102.0 

 53.2 



48.8 



42.8 



23.0 



90.4 



58.4 



32.0 

 57.8 



54.8 



S. 



none 



4.233 



18 



S.W. 

 31 

 

 

 





 

 



17 



10.0 



8.2 



1.8 



