ABSTRACT FOR THE 



MONTH OF MAY, 1899. 











Meteorological Observations, McGill College Observatory, Montreal, Canada. Height above sea level, 187 feet, C. H. McLEOD, Superinkndent. 









THERMOMETER. 



*BAROMETER. 



tMean 

 pressure 



tMean 





a WIN D. 



Sky Clouubi 



_•» J 



h 



.= . 



^i 

























Deiv 





Mean 









w^x 



3^ 



c 



DAY 

























of vapor. 



liumitl- 



Point. 



General 



velocity 



= 



B 



= 



S c 







-- > 











Mean. 



Man- 



Min- 



Range. 



Me-m- 



§Max. 



SMin. 



Range. 





iiy. 





direction. 



pcrhoui 



2 



s 



5 



" " 



a 



" 



a 1 









, 





65-0 





14.6 









.068 





S, o 



52.3 



N.W. 



12.21 



8.7 



10 



13 



0.02 





O.Oi 



1 







3 





69-3 





23.9 



29-8855 



29 961 



29826 



.■35 



.3327 





47-2 





■3.92 





10 







40 









2 











56.8 















-2015 



60 5 



34 5 





22 75 























4 



49. o> 





360 



2i.3 





30 306 





-■83 



.1625 



45.8 



29-0 





10 92 



0.0 











9» 









4 















25.6 













55 5 



37 













98 

















58. SS 



6j-S 

 67.4 



41-7 



25-8 



30.I.868 



30 213 



29 98. 



.232 





560 



42-3 



s!w. 



■3-29 



4.5 





" 



35 











SuNDiT 





8 



S8.>3 







25-7 









2-2 



2)78 



60 5 



44-0 



N. 



7.46 



2.3 



6 



Q 



qS 









8 







9 



54.88 



^J-i 



47- ■ 





29 4073 



29987 



99 755 



232 



-2380 



55.5 







■5.29 





















9 















23 7 



30 0203 













41 8 





























56 37 



70 3 



48-5 





29.736. 





29.611 



-318 



-3387 



75 3 

















0-3S 













12 





69 7 







29.83,8 



29 870 











49-2 





.3.25 



1.3 



5 















12 







SliNOAV ■', 



59- 'S 



71.2 



T:.> 



21.7 



29.7998 



29.501 



29-696 





-3335 



70.5 



49-0 



S.W.' 



21.58 





10 



° 



,6 

 93 



0.12 





0-12 



■3 



SUNDAV 





,5 



<9 4" 



58-2 



41 I 



17-I 



30-0858 



3r>-i6o 



30.0,6 







55 8 



34.0 



S-W. 



10.92 



3.0 



.0 







80 

















50-30 



S9.S 



40-2 



19-3 



29-9787 



30-095 



29 88s 







61-7 



37.2 





10.9; 



4.0 



10 







54 









16 









51. .8 



6t 5 



?'■< 



23-1 



30 OS75 



30 132 



29-058 





.2555 



67.0 























■7 









50 »7 









2). 96.3 





29 8ja 













■5.75 











0.06 













'9 



50.50 



54-5 



46.9 





29.8748 



29-893 





-036 







47 2 







10. 



10 



10 



05 



01 





0.01 











49 '7 



56.0 



47.0 



9 ; 



29 8670 



99 938 



29.836 



-092 





91 



47-2 













03 

















53 50 



6o., 





.5.. 



■5-1 



30 1482 









.2918 



71.0 





S.E. 



6.21 



8 7 



,0 















SUNUAV 





»1 



22 





'3 



62.70 



72.3 





20.5 





30. 236 



30.161 









,6.0 







4-3 



lO 







86 















«4 



'4.75 



76.9 



51.1 









30.106 



.158 











7-54 









go 















25 



66.43 







,9-8 



30.0372 





















10 























66.67 





59.2 









29.86, 



.165 





67 3 







23 04 

















26 







„ a? 



53.92 



637 





■5.7 





99 868 



29.8,7 







89-5 



50-7 







10. 



10 



10 











27 







'""" "' 





64-7 



47.3 



■7.4 



























64 









28 



-SONIJAV 





»9 



59-33 



JO 2 



m 



IS. I 



29-93>3 





29.8ro 







87.5 



557 



N.E. 



5.62 



6 8 



10 







18 



22 





0.22 









30 





70.7 





14-i 





29-810 









8>.3 









7. a 



10 









o 10 





10 









'' 





78-4 





23. a 



29.6188 



2y 896 



29.7'o 



..76 



.4545 





56.3 





11.71 



30 



10 



° 





0.00 





0-00 



31 









5658 



65 95 



47-24 



.8 75 



29.9706 



30.0590 



29.6970 



.1620 



-30,1 



68.13 



45 27 



N. 6,1^' W. 



■3-47 



4.69 



8-11 



'■77 



01-03 



1.59 





1-59 



Sums. 





'or anil incUidinc J 54.70 

 Iki.niomh .S ™ 



64-10 



45-89 



iS.ao 



29.9330 







.168 



.2916 



66.38 







s 14.19 



6.10 





15087 



2.91 





2.96 



(25 Years m 

 ^and includ 

 t month. 



eansfor 

 ng this 





ANALYSIS OF WIND RECOED. | 



• Barometer readings reduced to soa-Ievel and 

 temperature 32' Fahrenheit. 



§ Observed. 



t PreFBure of vapour in inches of mercury. 



t Humidity relailve, saturation being 100. 



U 18 years only, n 13 years only. 



The greatest heat wiw 7a".4 on the 3Ist : the 

 greatest cold was 3fi.''0 on the 4th, giving a range 

 of temperature of 42.4 degrees. 



Warmest day was the 3l8t Coldest day was 



tivo humidity 

 tive humidity 

 Rain fell 

 Auroras i 

 Lunar co 

 Ihunderb 

 Lightnin 



was99onthe27th- Minim 

 was 31 on the 24th. 

 on 14 days. 



umrela- 





l>iteclion 



Miltj 



l'"™i»i„hrs,. 

 M'«B vdocity.... 



N- 



N.E- E. 



S E. 



s. 1 s.w. 



W. 



N-W. 



Calm. 





1832 



72 8 



■367 



'92 1543 



1608 



1965 





term on 

 on the 



he 21st. 

 the 2nd. 

 27th. 







144 



..0 



so 



■04 



■23 



■ 21 



12 





12-71 



.2-99 .0..2 



■2-43 



■3-84 



■4-84 



13-07 



.6.2, 









^^^Orcalest miloajo in ono hour wns 30, on the Tolal milengo, 10,023. 













iib..,i, . ., a ^^'nd records from llio 18th to the 31st aro 

 tr: r'""" from the City Hall. 



the 3rd- Highest barometer reading waa 30-264 on 













the 24tb. Lowest barometer was 29.611 on the 11th, 

 giving a range of 0.653 inches. Maximum rela- 













