ABSTRACT FOR THE MONTH OF MAY, 1889. 
Meteorological Observations, McGill College Observatory, Montreal, Canada, Height above sea level, 187 feet. 
C. H. McLEOD, Superintendent. 
Sky CLoupepy . Ee 
THERMOMETER. BAROMETER. WIND. In Tentus. |S § Bu a g 
ie a oe {Mean | {Mean Bod a8 Sy |) ope} 
res- relative) Dew = ols] Se ao | as 
DAY. ama [anime point. | General Enea! B14) a|eed £5 IG aie DAY. 
i * i i rs oi : r4 ope Xu oI 
Mean.} Max. | Min. |Range] *Mean. | SMax. §Min. | SRange. | vapour. | ity. divectionsllintmiles g S|) 5 |e g fi oA 3 
perhour] n 
1] 41.83 | 45-4 35-3 | 10-1] 29.8348 | 29.919 29.757 162 1798 68.0 3I- S.W. 24-1 97] 10) 8 24 | 0.01 oor} x 
2| 44.77) 49-6 39-6 | 10.0] 29.8943 | 29.937 29.855 082 2020 68.3 34.8 S.W. 13.2 | 10.0] 10 | 10 4 GG Seller 
3| 44.42 | 50.3 39.6 | 10.7} 29.8447 | 29-869 29.816 053 2070 79-5 35-3 W. 11-0 8.2| 10] o 10 | 0.03 0.03] 3 
4] 50.33 | 59-2 37-5 | 21-7] 29.8563 | 29.902 29.827 075 2295 63.2 37° S.W. 20.9 6.2| 10} o 67 nd is 4 
Sunpay..... 2 B|| e500 72.1 413.2 || 23.6]| ooono00 eee 000000 ae 000 apon 5000 S.W. 30.4 Jee] -. | es 94 se] 5 teeeeeees. SUNDAY 
6| 60.28 73.0 45-5 27.5 29.9842 30.042 29.946 .096 2735 54-3 42.3 S.W. 15-2 7-7| 19| 0 54 6 
7) 68.75 | 80.9 52-4] 28.5 29.9027 | 29.986 29 835 +151 3403 50.0 48.3 S.W. 13:0 Bt3i Gi} 2 85 7 
8 | 72.72 | 85.6 58.1 | 27.5] 29.8472 | 29 866 29-811 055 4392 54-7 54.8 S.W. 21.0 0.0/ 6] 0 gi 8 
9) 74.63 | 86.2 65.1 | 21.1] 29.7987 | 29.882 29-704 -178 4768 50.3 57:7 SHWE 26.7 2.0) 4] 0 87 9 
to| 69.30] 77.7 59-3] 18.4] 29.6282 | 29.697 29.567 130 4623 63.8 565 W. 20.9 Sal Gi] © 62 0.10 | 10 
ir} 56.42] 650 48.4 | 16.6] 29.7423 | 29.764 29.711 053 2725 60.2 42-5 N. 14.4 0.2/ 3] 0 88 te ve | Ir 
SuNDay.....-. 7A || on00c || FOO EB! 245631)" aonceda.|! ooncce S0000 So5 ode p00 od06 N.W. g-2 Juv]: 96 60 11£EX cencoos008 Sunpay 
13 | 60.90} 71.8 47-9 | 23-9] 29.8480] 29.959 29.732 227 2787 53-8 43.0 i. 10.4 5-5 | 10} o G5 || o000 cou || 5@} 
14 | 57-87 | 64.9 529] 12.0] 29.7048 | 29.805 29.658 147 3880 80.8 51.8 8. 10.2 | 10.0] 10] 10 00 | 0.27 0.27 | 14 
15 | 52-92| 60.2 45-3 | 14-9] 30.0135 | 30.059 29.906 153 2690 67.5 42.0 W. 8.0 6.7] 10} « 75 | -:- cad || 23 
16 | 47-60 | 52.1 42.6 9-5] 3°-0868 | 30.139 30.051 088 2932 89.3 44.3 N. 15.9 | 10 0/ 10] 10 00 | 0.23 0 23 | 16 
17 | 65.33 | 82.8 46.5 | 36.3] 30 0663 30 134 30.002 2132 4840 17-7 57-5 S. E. 13.9 4.7|10| 0 7° \Inapp. 0.00 | 17 
18 | 77-82] 88.0 jo-1| 17-9} 30.1488 | 30.216 30.111 105 6488 68.0 66.2 8. 15-77 25\|10| o 89 |) «a. ooo || 23 
SUNDAY....-... 7) || 9-2 83.9 G35} || 7336] sccceds |l! concoe || Soonee a one gove Bee Ss. 13.5 Jc---|- |e EY) seg 280: || 5) dooocaqead Sunpay 
20 | 63-77 | 68.0 60.3 7-7 29-9225 | 29.997 29.781 216 5417 QL-7 61.2 S. 7.6 | 10.0} 10} 10 20 | 0.76 0.76 | 20 
21 63 20] 72.8 56.3 16.5 29.6150 29.723 29.531 192 4897 85.2 58 3 W- 7-7 10.0} 10 | 10 33 | 0.91 o.gt | 21 
22 | 52.43] 57.0 48-5 8.5] 29.6930 | 29.830 29.557 +273 3013, 76.5 45.2 S.W. 24.4 8.5] 10) 4 6r | 0.03 0.03 | 22 
23 | 49°77 | 54-4 46.3 8.1] 29.9165 | 29.966 29.868 098, 2573 72.3 40.0 S.W. 12.0 8.5] 10} 1 21 500 so0 || 2B 
24| 52.28] 58.1 47.2 | 10.9] 29.7903] 29.857 29.734 +123 2938 75-2 44.2 S.W. 10.8 | 10.0} 10 | 10 15 | 0.15 0.15 | 24 
25 | 48 80) 55.2 406] 14.6] 29.9612 | 30.009 29.868 +141 1998 58.2 34.2 Ww. 13-7 0.5] 3] © 98 | 0.06 0.06 | 25 
SuNDAY........26 nosnad| CA 43-5 18.5 coe 8 ean 000 ape eles 2000 Ss. 8.4 cana || 00 |} 00 77 aco coon || 25 asdoono00e Sunpay 
27 | 53-58 | 62.2 45.2| 170] 29.8702 29.691 .306 2863 - 70.8 43-7 8... 14.6 7-5| 10} 0 45 | 0.10 o 10 | 27 
28 | 47-22] 515 | 41.5] 100] 29.6683 29-545 -327 2597 79.0 | 40.8 _ qo: | 24:3 | 9:7) 10) 8] 00} 0.25 0.25 | 28 
29 | 48.10] 55.7 39.5 | 16.2] 30.1127 29.955 214 2187 65.5 36-7 5.W. 15.3 6.2] 10} 1 86 |Inapp. 9.00 | 29 
39} 47-58 | 54.5 44.5 | 100] 30.1150 40.085 +063 2743 83-3 42.7 N.E. 24.8 8.3] 10] 1 41 | 0.05 0.05 | 30 
31} 65 05] 79-9 447 | 35-2] 30 0003 29 959 104 4448 73-3 | 55-2 S.E. | 17-2 | 7.3] 10) 2] 64] 0.02 0.02 | 31 
seoos ....-Means.| 56.95 | 66.13] 48.46 | 17.67] 29.8839 54.1 2.97 tees 2.97 
15 yrs. means for &' “| 15 years means for and 
including this mo,] 54.78! 63.96 | 45-79 | 18.17 29.9365 eancca eee 161 « M52.5| 2.86 0.1 | 2.87 including this month 
ANALYSIS OF WIND RECORD. é a 
a Se ee a eee = a *Barometer readings reduced to sea-level and|meter was 29.531 on the 21st, giving a range of 0,685 
i © Rah inches. laximum relatiye humidity was 98 on 
Direction........] N. | NE. BE. | S.2. S. | S.W W- | N. W.| Calm. temperature of 32° Fahr. Hine Hii iio relative humidity was 29 on 
— eS See ee ee ee eee ee = e and 12th. 
HUNTS ocoonao2009 axes 539) 274 59% are 5415 2222 393 2 Chere: 7 AA Rain fell on 16 days, 
RT = + Pressure of vapour in inches of mercury. 
Duration in hrs..| 86 23 31 54 144 273 95 37 I oa * : ; Fog on two days. 
M ; — — { Humidity relative, saturation being 106. yma Sto UTE 
Mean velocity... 8 2 y understorm on the and 21st. 
elocity 13 23 4 8.8 10.9 14.6 19.8 12.9 | 10.6 ‘| Hight years only. 
Greatest mileage in one hour was 42 on the 28th. 
Resultant mileage, 6,195. 
Resultant direction, 5 45° W. 
Total mileage, 11,722. 
The greatest heat was 88.0 on the 18th; the great- 
lest cold was 35.8 on the Ist, giving a range of 
temperature of 52.7 degrees. Warmest day was 
the 18th. Coldest day was the Ist. Highest baro- 
Solar halo on the 29th. 
Notr.—The maximum temperature for the month 
(88.0°) is the greatest observed here in May during 
the 15 years over which the present series of obser- 
meter reading was 20-216 on the 18th; lowest baro-|vations extends. 
