272 



TRANSACTIONS OF THE 



Comparative Spring Weather, from 1878 to 1886. 



The following table shows the average barometer ; highest, lowest, and 

 range of barometer; the average temperature; highest, lowest, and range 

 of temperature; the average relative humidity and dew point; total rain- 

 fall; prevailing direction, total, and maximum velocity 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; light 

 and killing frosts ; number of days maximum temperature above 90° ; 

 number of days minimum temperature below 32°; and the highest, lowest, 

 and range of water in the river during each Spring: 



Spring of: 



1878. 



1879. 



1880. 



1881. 



1S.V>. 



18S3. 



1884. 



1885. 



1886. 



Average barometer 



Highest barometer 



Lowest barometer 



Range of barometer 



Average temperature 



Highest temperature 



Lowest temperature 



Range of temperature .- 



Average humidity -- 



Average dew point 



Prevailing wind 



Total precipitation 



Total velocity of wind 



Maximum velocity of wind 



Direction at time of maximum 



veloci ty 



Clear days 



Fair days .. 



Cloudy days 



Days rain fell 



Solar halos 



Lunar halos 



Number of light frosts 



Number of killing frosts 



Number of days maximum tem- 

 perature above 90° 



Number of days minimum tem- 

 perature below 32° 



Highest river 



Lowest river 



Range of river .-. 



29.94 

 30.39 

 29.56 

 0.83 

 60.5 

 91.0 

 40.0 

 51.0 

 67.1 



S. 



4.33 



13.962 



40 



N. 



45 

 28 

 19 

 21 



1 







2 







1 







22.1 



1&8 



3.3 



:•;< ).u.-» 

 30.33 

 29.73 

 0.60 

 59.3 

 91.0 

 38.0 

 53.0 

 68.4 



S.E. 



8.84 

 14.530 



32 



N. 

 39 

 34 

 19 

 32 



1 







2 











23.4 



15.9 



7.5 



30.06 

 30.36 

 29.55 

 0.81 

 55.0 

 86.0 

 29.0 

 57.0 

 66.2 



S.E. 



16.66 



19.653 



36 



N. 



49 

 24 

 19 

 27 



3 



1 



3 



3 







1 

 24.4 

 11.7 



12.7 



30.01 

 30.41 



2!).i ;,s 

 0.73 

 60.4 

 ss.s 

 37.0 

 51.8 

 68.4 



S. 



3.01 



14.966 



28 



N. 

 60 

 22 

 10 

 16 











5 















20.8 



15.2 



5.6 



30.04 

 30.38 

 29.71 



0.67 

 57.6 

 94.6 

 34.1 

 60.5 

 61.9 

 43.0 



N. 



6.12 

 17.774 



35 



N. 

 57 

 19 

 16 

 25 



1 



2 



6 











21.3 



15.7 



5.6 



30.01 

 30.43 

 29.62 



0.81 

 58.5 

 98.0 

 39.8 

 58.2 

 68.9 

 47.3 

 S. 



7.22 

 1&825 



34 



N.W. 



54 

 26 

 12 

 24 



5 

 

 2 

 







20.7 



16.3 



4.4 



30.00 

 30.35 

 29.63 



0.72 

 56.5 

 94.0 

 37.7 

 56.3 

 71.9 

 46.7 

 S.W. 



6.83 

 17.759 



37 



N.W. 



50 

 30 

 12 

 26 



6 



2 



4 











23.7 



17.4 



6.3 



