268 



TRANSACTIONS OF THE 



October Weather, from 1877 to 1886. 



The weather changes, etc., in the following review show the monthly- 

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

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

 temperature; greatest and least daily range of temperature; highest, low- 

 est, and range of temperature: mean maximum, minimum, and range of 

 temperature; the average relative humidity and dew point; total rainfall: 

 prevailing direction, total, and maximum velocity of wind, with the direc- 

 tion at the time of maximum velocity; total number of clear, fair, and 

 cloudy days, with total number of days rain fell; solar and lunar halos; 

 light frosts; number of days maximum temperature was above 90°; and 

 the highest, lowest, and monthly range of water in the river: 



( ii torer : 



1S77. 



1878. 



1879. 18S0. 



1884. 



1885. 



18S6. 



Average barometer 



Highest barometer 



Lowest barometer 



Monthly range of barome- 

 ter 



Average temperature 



Highest temperature 



Lowest temperature 



Monthly range of temper- 

 ature 



Greatest daily range of 



temperature 



Least daily range of tem- 

 perature 



Mean maximum tempera- 

 ture 



Mean minimum tempera- 

 ture 



Mean range of tempera- 

 ture 



Average humidity 



Average dew point 



Prevailing wind 



Total precipitation 



Total velocity of wind 



Maximum velocity of wind. 

 Direction at time of max- ) 



imum velocity J 



Clear days 



Fair days 



Cloudy days 



Days rain fell 



Solar halos 



Lunar halos 



Thunder and lightning 



Light frosts 



Number of daysmaximum 



temperature above 90° .. 



Highest river 



Lowest river 



Range of river 



29.97 



31 1.16 

 29.83 



0.33 

 62.9 

 88.0 

 38.0 



50.0 



32.0 



11.0 



70.2 



50.2 



20.0 

 49.0 



29.98 

 30.23 

 29.68 



0.55 

 62.9 

 86.0 

 40.0 



46.0 



34.0 



5.0 



75.3 



48.6 



26.7 

 54.0 



30.01 

 30.28 

 29.66 



0.62 

 61.5 

 87.0 

 40.0 



37.0 



34.0 



ll.o 

 74.0 

 48.9 



25.1 



63.1 



N. 



0.73 



4.044 



28 



N. & 



N.W. 



27 







4 



5 















2 





 6.2 

 5.2 

 1.0 



0.55 

 4.07* 

 28 



N. 



28 



' 1 



2 



1 





 

 



1 





 7.0 

 5.5 

 1.5 



S. 



0.88 



3.077 



16 



N.W. 



23 

 5 

 3 



4 

 1 

 1 

 

 





 7.4 

 5.8 

 1.6 



30.02 

 30.23 

 29.74 



0.49 

 62.1 

 85.0 

 46.0 



39.0 



31.0 



12.0 



75.0 



49.8 



25.2 

 54.3 



N. 



none 

 3.656 



18 

 SW.& 

 N.W 



23 



7 

 1 

 

 1 

 

 

 







7.8 

 7.6 

 0.2 



29.99 

 30.19 



29.74 



0.45 



59.9 

 80.5 

 42.0 



38.5 



31.0 



3.5 



72.1 



29.95 

 30.14 

 29.68 



0.46 



64.3 

 98.0 

 40.0 



58.0 



39.3 



19.0 



79.9 



49.6 51.4 



22.5 

 71.2 



49.8 



S.E. 



.V N. 



2.01 



3.495 



20 



S.W. 



26 

 4 

 1 

 5 

 

 1 

 

 3 







10.1 



7.8 



2.3 



28.5 

 62.3 

 49.1 



N.W. 



0.02 

 3.761 



18 



.S.W. 



20 



9 



2 



3 

 .1 







1 







4 

 7.6 

 7.4 

 0.2 



30.02 



3H.2* 

 29.80 



0.48 

 57.1 



85.5 

 38.5 



47.0 



36.0 



6.0 



70.9 



46.7 



24.2 

 69.7 

 46.2 



N.W. 



0.68 

 3.583 

 17 



N.W. 



22 

 9 

 

 5 

 1 

 

 

 





 8.4 

 7.4 

 1.0 



