26 



RESULTS OF METEOROLOGICAL OBSERVATIONS 



In addition to Table I we have the following observed maxima and minima for 

 each day in Jannary, February, and March, 1807, from which we can deduce the 

 daily mean temperatures by adding to each mean in January — °.3, in February 

 — °.2, and m March — °.2, corrections which follow from the Toronto and Montreal 

 series. 



Table II. — Observed Daily extreme Temperature, and deduced Daily Mean Values, for 

 January, February, and March, 1807. 



Diiy of 

 mouth. 



January. 



February. 



March. 1 



Maximum. 



Minimum. 



Mean corr'd. 



Maximum. 



Minimum. 



Mean corr'd. 



M.aximum. 



Minimum, 



Mean corr'd. 



1 



2 



3 



4 



5 



6 



7 



8 



9 



10 



11 



12 



13 



14 



15 



16 



17 



18 



19 



20 



21 



22 



23 



24 



25 



2« 



27 



28 



29 



30 



31 



— 8°.5 



—2.2 



9.7 



0.2 



15.7 



28.5 



30.8 



22.5 



—1.6 



20.0 



25.7 



16.5 



—4.7 



—7.3 



—2.2 



19.8 



—3.3 



20.5 



6.5 



—19.0 



—5.5 



—20.3 



—30.0 



11.0 



7.8 



—13.5 



—29.7 



—1.6 



33.5 



16.2 



3.5 



10°.3 

 22.0 

 18.7 

 14.5 

 34.5 

 38.5 

 36.2 

 28.0 

 26.0 

 30.0 

 34.5 

 22.3 

 17.6 

 10.5 

 28.8 

 23.0 

 32.3 

 32.3 

 16.5 

 19.5 

 23.5 



6.5 



24.0 



26.5 



23.5 



—4.5 



9.5 

 35.0 

 42.0 

 35.8 

 35.0 



0°.6 

 9.6 

 13.9 



7.0 



24.8 



33.2 



33.2 



24.9 



12.0 



24.7 



29.8 



19.1 



6.1 



1.3 



13.0 



21.1 



14.2 



26.1 



10.7 



0.0 



8.7 



—7.2 



—3.3 



18.6 



15.4 



—9.3 



—10.4 



16.5 



37.5 



25.7 



19.0 



33°.5 



14.5 



19.0 



6.0 



—10.0 



—6.0 



3.0 



—12.0 



—18.5 



2.0 



1.0 



22.0 



11.0 



34.0 



34.0 



—5.0 



—11.0 



11.5 



33.0 



11.0 



9.0 



11.0 



13. S 



15.8 



27.5 



25.0 



11.0 



5.0 



46°.0 

 33.5 

 24.0 

 22.0 

 16.0 

 20.5 

 16.0 

 7.0 

 21.6 

 30.0 

 33.0 

 42.0 

 35.0 

 43.0 

 42.0 

 19.0 

 16.0 

 33.0 

 44.0 

 23.0 

 15.5 

 34.0 

 39.0 

 40.0 

 38.0 

 35.5 

 3.3.0 

 34.0 



39°.5 



23.8 



21.3 



13.8 



2.8 



7.0 



9.3 



—2.7 



1.3 



15.8 



16.8 



31.8 



22.8 



38.3 



37.8 



6.8 



2.3 



22.0 



38.3 



16.8 



12.0 



22.3 



26.2 



27.7 



32.6 



29.8 



21.8 



19.3 



18°.0 

 16.0 



6.0 

 16.5 

 16.0 

 11.0 

 16.0 

 20.0 

 33.0 

 33.0 

 30.0 

 22.6 

 16.6 

 24.0 

 19.0 



4.6 

 21.0 

 20.0 

 17.0 

 15.0 

 20.0 

 23.0 

 17.0 



7.6 

 15.0 

 27.0 

 26.0 

 26.0 

 20.0 

 24.0 

 20.0 



45°.0 

 33.0 

 33.0 

 33.5 

 43.5 

 89.0 

 38.0 

 45.0 

 36.0 

 49.0 

 45.0 

 45.0 

 45.0 

 47.0 

 40.0 

 47.0 

 45.0 

 47.0 

 45.0 

 45.0 

 46.0 

 44.0 

 33.0 

 40.0 

 34.0 

 44.0 

 60.0 

 50.0 

 46.0 

 50.0 

 30.0 



31°.3 

 24.3 

 19.3 

 24.3 



29.5 

 24.8 

 26.8 

 32.3 

 34.3 

 40.8 

 37.3 

 33.5 

 30.5 

 35.3 

 29.3 

 25.5 

 32.8 

 33.5 

 30.8 

 29.8 

 32.8 

 33.3 

 24.8 

 23.5 

 24.3 

 35.3 

 37.3 

 37.8 

 32.8 

 36.8 

 24.8 



Mean, 







14.08 







19.90 





30.63 



The above daily means have a somewhat smaller weight than the daily means 

 of Table I. 



Correction for Diurnal Inequality to the Values of Tahle I. 



The correction to be applied to the observed mean temperature at 7 A. M., 1 

 and 6 P. M., in order to produce the mean temperature of the day as it would 

 result from 24 or hourly observations, can be found with sufficient accuracy from 

 the observed hourly variations at Toronto and Montreal as given by Prof. Guyot 

 in the Smithsonian miscellaneous collection of tables. These two localities are 

 subject very nearly to the same thermal influences as Brunswick ; this is indicated 

 by their geographical latitude and by the isotherms for summer and winter. Taking 

 the mean correction, resulting from the two tables at Toronto (by Prof. Dove and 

 Capt. Lefroy) and Montreal, we obtain the following values for each month, 

 expressed in degrees of Fahr. scale. 



