ABSTRACT FOR THE MONTH OF APRIL, 1898. 
Meteorological Observations, McGill College Observatory, Montreal, Canada. Height above sea level, 187 feet. ©. H. McLEOD, Superintendent. 
Sky CLoupKD 
* BAROMETER. WIND. In Tantus. (5 5 a 5 
+ Mean vile = ——_— — ——_] ——_ —]; ag ae || BES 
pres-_ |relative ew M ar a 36 | 33 
\ e 5 a SS 
sureof |humid-| point. | General ralonity a jal e 3 ‘ae Ese | as DAY. 
Mean. | § Max. § Min. Range. |Y 2? 0ur. ity. direction. jin miles} © 3 S}s ‘37 oe aa 
perhoury! = | ~ | = |& mo Qa a 
Es: <<} 
29.4060 | 29.685 | 29.204 -481 -1918 | 80.0 | 33.0 || S.W. 2912) | 8:0 ||x01|) 3 J) 00] | longoml|| as.uullosgol| and un 
Peicsnill coset) eee Ba Sec ae of +. S.-W. Fail Heseau ee 86 5 Ss 
saree || seve. || cack 466 sore, || Gey || seus S.E. ag 1) Gq ||sal) @|| ca ese 
29.4985 | 29.904 | 29.272 632 1593 | 83.2 | 28.2 S.W- 2x4 | 10.0| 10] 10] oo 
30.0313 | 30.226 29.780 446 0847 50.5 15-7 S.W. 26.5 4-7] 8] of 70 
30.5173 | 30.580 30 377 203 0857 | Bo.o | 14.8 N. 12.8 9 o.2] xr] of 86 
30.2522 | 30.517 29-870 647 1318 | 86.3 | 23.8 S-E. 20 4 || 8.3| 10] of oo 
29.6483 | 29.769 29.438 33 2118 | 75.8 35-3 5-H. 30.5 7-0 | 10) of 09 
4060000 || csocoe” ||" co00 30 O00 peode ate N.W. FHA || sone |) oo 97 SUNDAY 
30.2073 | 30.243 40. 165 073 1483 | 65.0 S.W. 62 9 s.o]10] of x4 
30.3418 | 30.380 30.246 134 1472 57-5 26.8 A 6.3 Fae 1 yal od fe} 
30.2223 | 20.379 | 30.070 309 1342 || 42.5 | 24.5 ‘Ss arg | 7.0] 10] of so 
29.7978 30.007 29.623 379 2505 76 2 39-8 fs) 26.3 7.2 | 10} 0 2 0.04 
29.9418 | 30.015 29.902 113 1435 | 62.7 | 26.0 8. 18.5 |} 6.7|10| of o8 
29.8725 29.967 29.774 193 »1352 87.0 25.0 N. 30.5 8.3} 10} off oo 
coeds || asdqn0- ||) bceoro Gob 839 ocd agoo N.W. Qs |} ocv0 || oo 00 .SUNDAY 
40.1202 | 30.224 29 982 242 1480 | 67.8 | 27.0 S.B. 11.6 | 6.2 | 10] of 86 7 
29.8748 | 29.941 29.794 147 1655 | 73.2 29.3 N.W. 18.0 || 6.8|10] of 28 18 
30.0267 | 30.163 29.902 206 1182 | 61.5 | 21.7 Ww. 2r.6 | 0.2| x| of 95 19 
30.1417 | 30.28) 29.940 347 1175 51.2 21.8 N. 24.6 6.7 | 10} o 5r 20 
29.7915 | 29 866 29.707 159 1805 74-8 3r.5 §.E. 15 1 ff 10.0 | 10| 10 f oo 21 
29.6537 | 29.690 29.622 063, 1942 750 33-8 5.W. 17-1 97|10| 8} x0 : 22 
Bee eeonl Wes soso al fcascre . stein be eanods lence Ww. Frain (dlood fas 318 | 0.08 23 -ss0.e. .,SUNDAY 
30.1278 | 30.199 30.051 143 1260 55.3 23.0 5.W. 10.4 5-7|10| of 76 20 24 
30.1175 | 30.405 29.992 413 1388 | 63.7 24.2 N.W. 16.2 4-8 | 10| of 67 25 
30. 4635 30.552 30.340 212 1163 56.7 20.5 9-4 I-7 | 10] o O4 a6 
30.0035 | 30.216 29.870 346 1887 | 76.2 | 32.8 26.3 fl 10.0|10| 10] 44 | 0.20 27 
29.8907 | 29.926 49.852 074 1593 52.7 23.8 255 6.3] 10} of oo | Tnap 23 
29.9123 | 29 952 29.864 088 1475 50.5 27.2 13.9 5.5|10| of 78 are 29 
9.2 74 30 + + »+SUNDAY 
30.0005 AoC) 274 1494 8 18.1 €.2 42 1.32 STW Seo5occ00007 06 5 
el 19 Years means for 
29.9464 | ....- 600 206 1680 66.52 Spon | {| eoonpe Boe 5-9 5r.3 | 1-59 6.7 | 2.26 |4and including this 
month, 
WIND RECORD. \ 
THERMOMETER. 
Diy. 
Mean.| Max. | Min. | Range. 
44.8 30.0 
34-5 12.2 
28.5 | 20.4 
45-5 19.7 
42.4 24.0 
27.8 11.9 
34-0 | 19.7 
60.8 | 34.0 
By 30.7 
458 || go 
Sur 31.7 
55.8 | 35.6 
60.8 40.5 
44-3 31.8 
3t. 27.7 
39-0 | 31-9 
42.9 | 27.3 
45-6 32.2 
40.8 | 27.0 
48.6 27.3 
47-7 33:4 
48.7 34.0 
SUNDAY....-.- FK51) sa000 50.4 36.2 
46.4 29.4 
44.6 92.5 
44.3 | 21.0 
42.2 36.4 
50.8 39-9 
53-5 | 34-8 
54-9 | 37-4 
45-0 29.0 
19 Years means ae 
for and including 39.68 | 48.15 | 32.07 
this month ..... 
ANALYSIS OF 
Direction. N. N.E. E. 8.E. 
Miles 1032 1086 513 3055 
Duration in hrs. . 64 58 34 166 
Mean velocity...| 16.1 18.7 15.1 18.4 
s. | sw. | we | NW. 
419 3522 1718 1679, 
3r 171 103 93 
13-5 20,6 16.7 18.5 
Greatest mileage in one hour was 53 on the 8th. 
Greatest velocity in gusts 64 miles per hour, on 
the 8th. 
Resultant mileage 2855. 
Resultant direction, S. 43° W. 
Total mileage, 13,024. 
Ayerage velocity, 18.1 m. per hour, 
* Barometer readings reduced to sea-level and 
temperature of 32° Fahrenheit. 
§ Observed. 
t Pressure of vapour in inches of mercary. 
t Humidity relative, saturation being 100. 
J 12 years only. 
The greatest heat was 60.8 on the 8th and 13th; 
the greatest cold was 11.9 onsthe 6th, giving a 
range of temperature of 48,{) degrees. Warmest 
day wasthe 13th. Coldest day was the 6th. High- 
est barometer reading was 30.580 on the 6th ; low- 
Maximum relative humid- 
Minimum rela 
range of 1,376 inches. 
ity as 97 on the Ist and 3rd 
tive humidity was 24 on the 20th. 
Rain fell on 12 days. 
Snow fell on 4 days, 
Rain or snow fell on 14 days. 
Auroras were observed on 3 nights. 
Lunar halo on 4nights. 
Lunar corona on the 26th. 
‘est barometer was 29.204 on the Ist, giving a 
Very heayy thunderstorm on the 7th. 
