

ABSTRACT FOR THE 



MONTH OF APRIL, 1894. 







Meteorological Observations 



McGill College Observatory, Montreal 



Canada. Height above sea level. 187 feet, C H. McLEOD, SuperinuvuleriL 





















Sky OLOiDkD 













THERMOMETER. 



BAROMETER. 



t Mean 



pres- 

 sure of 

 vapour. 



t Mea,. 

 relative 

 humid- 

 ity. 





WIND. 



In Tenths 



3„g 



- 



c 



J I 

 te. 







DAY 





Mean. 



Mm. 



Mil.. 



Range 



Mean. 



Mas. 



Miu. 



Kange. 



Dew 



point. 



Geueral 

 direction. 



Mean 



velocity 

 in miles 

 perhoui 



5 





Mi 



i 8 

 si 



3'" 





DA^ 





SUNDAY 



, 





46.1 



31-8 



















W. 











72 



04 





0.04 









2 



2 i-37 



31.8 



15.0 



16.8 



30.1038 



30.227 



29 967 



.260 



.0658 



56 7 







17.2 



0.7 



3 







93 









2 







3 



29.03 



35-5 



15-0 





30.1915 



30.301 





.272 



.0852 



51. 8 



"4-3 



W. 



11. 5 



u 



[0 





















35.82 





31.2 



9.8 





29.987 





•364 



.1888 



*9 5 



33-o 





1; 9 







03 







0.13 









5 



39 -9 2 



45-3 



33-8 







29 947 





•317 



..873 



75-3 



32 5 



S.W. 





8-S 







07 

















32.23 



36 5 



28.0 



8.5 





30.136 



29.998 



• ■38 





61. 7 



20.7 





8.6 



5-3 



10 





76 















7 



35-45 



42.5 



26.8 



'5-7 



30, 1070 



30. 162 



30.065 



.097 





49 7 



18.7 



N. 



6.7 



4-3 



9 







47 









7 







... 8 

 9 



36." .3 



41.4 

 46.0 



27.8 

 28.8 



13.6 



17.2 





70 



30.379 



; 





.048 



:.i8 3 



56 .'8 



22.2 



N. 

 N. 



18.8 

 22.7 



0.7 



"2 



' 



94 











Sunday 



30-35 



"-33 1 



9 







38.35 



47.0 



27.8 



19.2 



30.1863 



30.386 





•333 



..297 



56.5 



24 





175 



3-5 















10 









39- 40 



49.2 



30 8 





29.9885 



30.051 



29.912 



■»39 



.1265 



53-8 



2 3-5 







5-5 



9 





57 















12 



41.97 



51-8 



33° 



18.8 



30.1113 



30.130 





•«353 



51 8 



25 2 





25.0 



7-2 



10 





40 















'3 



43-7o 



54 



34 



20.0 



30.0760 







.1.98 



43-7 









4 7 







9i 









'3 







'4 



43 93 



54-4 



32 5 



21.9 



30 0228 



30.083 



29.970 



.113 



.1123 



42.0 



20.5 





22.0 



0.3 



2 







89 









'4 





SUNDAY... 







63.5 





















N. 



8.0 









95 











.Sunday 





16 



40-77 



59-8 



33-8 



26.0 



30.1078 



30. 166 





.122 





4'-7 



22 8 



N.E. 



9 8 



4.8 



8 







85 









16 







•7 



49.60 





35-5 



26.5 



30.1612 











46.2 



27.8 



N. 



13.9 



3 







94 









■7 









52.60 



66.8 



35 



3' 8 





30.258 









5L5 



33-3 





6.5 









58 















'9 



55-9° 



60 8 



49.8 















63.3 



43-3 







5:1 







°3 



I nap 





Inap 



'9 









58.07 





54-0 





29.7983 

 29 7198 



29.906 



29.681 







90.7 



55-8 



S. 



7-6 









0.38 





0.38 









21 



53 35 



60.8 



48 8 





29.784 



29.667 



.117 



•3387 



83.0 



48.2 



s.w. 



11. 





10 







00 



01 





0.01 



21 





Sunday ... 



. . .22 

 *3 



46.85 



53-5 

 55-2 



43.0 



ro-S 

 15.0 





5 



29.896 



i 





: 04 8 



^890 



89.8 



4 i'' 

 36-3 



N. 



s.w. 



12.8 

 6-4 



g'.i 



io 



■j 



00 



0.14 





0.14 



22 



Sunday 



29.865 



J 848 



»3 





24 



47.80 



55-9 



42.1 



,3.8 



30.0342 







.I&8 









18 5 





10 













»4 







»5 



4 7 30 



56.1 



34 9 





30.1282 







.196 



.1343 



42.0 



24.7 





18.3 





9 



"4 









25 









53-05 



65.0 











29.856 

 29.781 







53-7 



37.0 





28.5 



2 3 



8 a 



y J 















'7 



58.33 



68.5 



47-3 





29.8602 





.164 





50.2 



39.0 



s.w. 



23.8 



3 5 



7 1 



78 









U 







2S 



55.60 



64.0 



43-5 



20.5 



29 9042 



30113 





.284 



2365 



51.8 



37 2 





■3-5 





10 



35 











Sunday.... 



...29 



30 



58.68 



55-5 

 69-5 



35-6 

 39 5 



19 9 

 30 





7 





48 



3 





.291 



.183 



.2257 

 1840 



,6.'o 



37-3 



N. 

 S.w. 



i8io 



's-'a 



5-3 



-j- 



96 

 67 



54- 8 



tnap 



0.59 



~ — 



Inap 



29 



3° 



Sums 



Sunday 



30 . 200 



30.3 



• 057 



Means 



44.89 



53-6. 



35.08 



.8.52 



30.0177 







58.6 



30 1 



N.25'^ w. 



16.2 



71 



20 Years „ 































1 











i 20 Years 



means tot 



for and including } \ 39.94 



48.43 32.22 



16.19 











.1688 



66.1 







6.2 .. 



5-6 



■•54 



64 



2 19 



) and includ 



ng thi~ 



this month 







1 







1 















r monirj. 







ANALYSIS OF 



WIND RECORD. 



* Barometer readings reduced to sea-level at d j giving a range of 0.763 inches. Maximum relative 









temperature of 32" Fahrenheit. | humidity was 99 on the 20th- Minimum 

 ? Observed. : humidity was 17 on the 14th. 







N. 



N.E. 



E. 



S.E. 

















22.3 



"I.83 



~~ S46~~ 















f Pressure of vapour in inches of mercary. 

 t Humidity relative, saturation being 100. 

 ff IS years only 



The greatest heat was 69°.5 on the 30th ; 

 the greates cold was 15 ".0 on the 2nd and 3rd, 



Rain fell on 8 days. 

 Snow.fell on 1 day- 

 Rain or snow fell on 8 days. 



35i 



756 



3142 



969 



680 









Duration in 



hrs . 



144 



.6 4 



2 4 



38 



56 



172 



53 



S? 



.. 



.Vlean velocity.-. 



•5-4 



19.4 



■4-4 



9-2 



'3 5 



.8.3 



.8 3 



11. 7 





Lunar halos on 2 nights. 

























giving a range of temperature of 51. r « degrees. 

 Warmest dav was the 30th. Coldest day was the 



Lunar coronas on 1 night. 

 Solar halos on 7 days. 





Greatest mileage in one hour was 42 on the 1st. 



Resultant mileage 1,308. 

 Kcsultiinl direction, N. 2~:\° W. 

 Total mileage. 11,640- 

 Average velocity lli.2 ni.p. h. 





Greatest velocity in gusts Is miles per hour, on 

 the Jst. 



2nd Highest barometer reading was 30.386 on the 



Thunder and Lightning on 1 night 









10th; lowest barometer was 29.623 on the 3rd, 







