ABSTRACT FOR THE MONTH OF MAY, 1898. 
Meteorological Observations, McGill College Observatory, Montreal Cauada. Height above sea level, 187 feet. C. H. McLEOD, Superintendent. 
DAY. 
Per cent. of 
Possible 
Sunshine. 
Rainfall in 
inches 
inches. 
Rain and snow 
melted. 
| Snowfall in 
. SUNDAY 
14 ssa... SuNDAY 
BR oo c6ew . SUNDAY 
ik coorcaa .. SUNDAY 
19 Years means for 
and including this 
month, 
Sky CroupEp| 
THERMOMETER. * BAROMETER. WIND. Iy Tenrus 
ism — _— —___ —_ —] t+ Mean Meat D ————— a 
pres- relative ew M 
: - uD 
DAY. “ eureiof pum DOUIE General jyelocity}! = | =| « 
Meun.| Max. | Min. |Range.} Mean. | § Max. | § Min. | Range. . Me direction. jin miles} © | 5 |= 
perhour] = SiGe 
i t| 43-47| 48.9 | 410 | 27-9 | 30-1173] 30.210 | 29.070 1240 rea) || Gao 16.7 || yo.o | 10 | 10 
2) 42.30] 456 | 39-7 5.9 29.9585 | 30.036 29.881 +145 2587 96.0 13.9 | j0.0| 10 | x0 
3] 43-40) 49-4 | 38-4 11.0 | 29.9697 | 30.021 29 924 +097 2613 92-7 9-3 |] yo.0 | 10 | to 
4| 40-52] 45.3 37-2 8.1 29.5512 | 29.895 29.368 527 2480 O1.7 299 fo.0 | 10 | 10 
5} 42.12 | 47-7 34-9 12.8 29.5605 29.689 29.418 -271 2313 86.8 12.3 fo.o | 10 | 10 
6} 43-53 | 48-7 38.2 0.5 } 29.8533 | 29.999 29 730 +269 2077 78.8 9-0 8.8} 10} 3 
Sunpay.. ..... 7 Bowe 59-0 42.3 16.7 reodces || aoa0da || neanode 0008 900 138 p00 
8| 53.33 | 62.8 | 45.6 | 17.2 ] 30-2175 | 30.261 30.178 .083 1872 ff 45-5 tor | 4.3] 10| 0 
9| 58.78 | 68.0 | 47.5 | 20.5 } 30-1830] 30.252 30.121 2331 2063 || 42.3 193 | 7-5 | 10] 2 
10 62.78 75.6 49.6 26,0 30.1200 30.146 30.094 +052 2540 45-0 29 4 2.5] 10} o 
t1| 68.40] 78.8 56.5 | 22.3 30.0313 29.970 +135 -3137 45-3 22.0 | 00/00) o 
12| 71.02 | 34.4 56.3 28.1 29.8553 29-741 +253 3207 43-3 13-5 BE |) Ol} ©} 
13] 60.45} 73-3 502 23.1 29.7365 227 3168 62 0° 22.4 7-8] 10] o 
SuNDAY. ......14 sevon || byt 2s 47-7 6.4 3 a > b 2 5 12.5 4 baal ies 
15 | 52.00] 61.5 | 44.9 16,6 } 29.8018 +065 3462 89.2 81 7-0] 10] o 
16] 51.70] 59-6 44-3 15.3 29.7072 +285 3612 92.8 13.7 1o.0 | 10 | 10 
17| 55-65 | 63.5 51-5 ete) 29.3203 29.245 247 4013 89.7 15.9 f 1p.0 | 10,| 10 
18 | 50.33 | 58-0 | 44.5 13.5 29.3632 29.287 244 3190 86.7 9-9 }} 100] 10 | 10 
19 | 48.65] 56.7 | 42.5 | 14-2 29-7753 29.570 373 2508 71.8 16.8 7:8 | 10} © 
20] 5) 45] 70-8 454 25 4 29.8033 29.727 302 2780 56.3 18.0 50] 10] o 
SUNDAY etre dels 200) | Wieetetets au | 75) 55 6 15.9 G e008 ag ee 295 noe |loood 
22] 58.57] 710 50.2 25.8 29.7602 29.696 145 2845, 58 2 15.2 55|1t0| 0 
23 | 65.37 | 84.8 54.6 30.2 29-4700 29.349 129 4068 65 5 18.9 7-7,| 10| 0 
24 | 50.40] 57-5 | 442 13.3. | 29-9047 29.700 +283 2120 58.2 28.8 | 9.0] 10] 5 
25 | 52.67} 67.5 44.0 | 23.5 29.8538 29.665 +340 2683 69.5 21.0 32]10] 0 
26 | 50.65 | 60.2 | 39.8 | 20.4 | 30.0245 30.00r 1070 -21sa ff 58.5 13.8 | 72] 10| 0 
27 | 52.20} 63.5 40.3 22.2 29.8655 29.637 435, =2647 69 0 10 3 6.7] 10] 0 
SUNDAY........28 Seda 60.1 47-5 12.6 qaaasOw cconwe it) sosa05 © on Bae) 213 Hal ee Ieee 
29 | 58.03} 71.5 47-0 24.5 61.7 13.4 
30] 56.40} 70.8 47-3 23.5 14-2 11.7 
31 | 62.23] 72-5 || 52.5 | 20.0 74.2 1218 
+»Means} 53.87] 63-3 | 45.9 | 17-4 : 69.7 16.6 
19 Years ing ae el | 
for and including} | 54 34| 63.57 | 45-37 | 18-20] 29.9327 5 167 2823 || 6 ‘ 2 
this month .... : a serilliee oo 9 || 78 
ANALYSIS OF WIND RECORD. * Barometer readings reduced to sey-leve[ and 
ha | temperature of 32° Fahrenheit. 
Directior i, || 82, || Ss | w. | mw. Orn S@RNeasct 
Miles ... ese] 672 2337 720 1347 445 3102 | 2755 943 { Pressure of vapour in inches of mergary. 
Durationin hrs .| 63 129 55 92 40 147 | 159 re 4 | ft Humidity relative, saturation being 100. 
18.1 13.1 14.6 It.1 21.1 | 17.6 lsarere = 1 12 years only 
The greatest heat was 84.8 on the 23rd and ; 
Greatest mileage in one hour was 48 on the 23rd. 
Greatest velocity in gusts 60 miles per hour, on 
the 23rd. _ 
Resultant mileage 2522. 
liesultant direction, S. 65° W. 
Total mileage, 12,321. 
Average velocity, 16. 6m. per hour. 
the greates! cold was 34.9 on the 5th, giving a 
range of temperature of 49. degrees. Warmest 
day wasthe 12th. Coldest day was the4th High- 
est barometer reading was 30.261 on the 8th ; low- 
est barometer was 29.245 on the 17th, giving a 
range of 1.016 inches. Maximum relative humid- 
ity was 97 on the 2nd and 16th. Minimum rela- 
tive humidity was 23 on the 12th. 
Rain fell on 19 days- 
Auroras were observed on 2 nights. 
Solar halo on the 9th 
Thunderstorm on 4 days. 
