AS 
ABSTRACT FOR THE MONTH OF SEPTEMBER, 
Meteorological Observations McGill College Observatory, Montreal, Canada. Height above sea level, 187 teet-C. H. McLEOD, Superintendent. 
1893. 
WIND Bey) CeounED a EB 
S N Tantus. [5,2 S$ 
pMeaa| | | ————— 1488 24 | oe | ee 
relative| Dew Ere = 33 |s2 
id- . Mean ‘ Sa2) So a eS 
Humid point. |’ General |yelocity| Bes 86 =e] a aig DAY. 
G direction. jin miles} © | 5 FS Sa) ‘a g= | 2 
perhour] = in ee a é 
11-3 52.0 N.E. 7-7 | 3-7| 8| of 62 sea Ss 
76.2 40.5 S.W. 20.2 70}10| of 54 0.19 0.19] 2 
Sw, 15 6 . wee] oe 25 0.02 0.02 3 
63.7 | 39-7 17-5 | o8| 2} of 94 : 
80.0 49-7 Q.1 Bo | 10 ° 09 
63.8 41.3 90 | 6.3| 10} 6) 8r 
83.5 | 47-7 17-3 | 9.3| 10] 6] oo 
65.8 | 447 154 | 1.7] 6] of 90 
79-5 Ss} 19.0 2.7| 8| of 86 
a a 18.8 Petes ff steters | Bl 64 0 TOWetevincls wile SUNDAY 
66.2 430 N. 6.4 oo| o| of or Ir 
72.3 46 8 0.0 0.0} O} of 85 12 
72.0 53-0 S.E 1.4 3-2] 8| of 82 13 
82.3 6r.2 S.E. 5.3 9-3] 10] 7] 00 14 
84.7 63 0 S.E 6.3 go|10| 6} 19 15 
89.2 | 53-7 S.W. m1.1 | 8.0] 10] of 03 a 
oa +: S.W. 10.6 J... [oo 00 7 <r wre «SUNDAY 
84.7 | 468 S.W. 20.9 | 6.a| 10] of 57 7 18 
88.2 546 Ww. 9.5 | 10.0] 10 | 10} oo ae 19 
72.3 45-5 N.W 21.2 3:8] 10} of 76 0.09 20 
67.5 38.5 S.W. 12,7 47|19] of 83 Shion 21 
93-5 50.2 S.E. 13-5 go} 10} 4] oo o 11 22 
83.5 51.8 S.W. ga 0.3] 10] OF 04 Inap 23 
on BG S.W. OGL) |} coat boc go 6000 0 |p EX) coseaoaane Sunpay 
S.E, 18.1 7.7|10| of oo 
SW. 15.4 | 3.7| 8] of 8% 
S.W. 3-4 | 6.7|10] of 54 
N. 5-8 40}]10| of 56 
NE. 15.0 3.0 | 10 4 31 
N. 10.3 o.5| 3] Of 86 
60% W 
19 Years means for 
75-22 o.\{) sbedng 5 61 55.0] 3-15 .... | 3-15 }]4and including this 
month, 
THERMOMETER. * BAROMETER. 
_——$—$—— ——_—_——_—| t+ Mean 
pres- 
sure of 
Mean.| Max. | Miu. |Range.} Mean. | § Max. | § Min. | Range. | Y*#P0Ur. 
12 20.5 29.9857 | 30.159 29.768 . 391 3902 
3 17.2 29.8045 | 29.964 29.071 +293 +3242 
Satoes hI) -angee 9 14.0 sa0pa70 |} -cooaas HeGOS o0ce g01de 
58-12 | 59.5 4U.1 18.4 29.8763 | 29.914 29-831 083 2512 
55-82 | 65.1 46.8 18.3 29.8157 | 29.879 20-744 135 3610 
53-82 | 605 44-0 16.5 30.0557 | 30.084 29.985 299 2643 
52.68 | 58.2 49-5 8.7 29.8562 | 30.053 | 29.635 418 3335 
56.25 | 64.5 47.0 17-4 30.0265 | 30.085 29.940 145, gocs 
60.50 | 70.1 51.7 18.4 30.0337 | 30.241 29.929 212 3668 
Sunpay...,..,.10] ..... 66.9 50.3 SG141] | Sssco0c |] coocopis|| = socesn Coe jmmnonde 
Ir A 44-3. | 17-7 | 30.2913 | 30.327 30.262 065 2782 
12 bs 44.6 21.9 30.2858 | 30.334 30.238 -096 3235 
13 49-2 | 273 | 30.2065 | 30.299 30.126 +173 4957 
14 60.0 14-5 30 0348 | 30.127 29.945 182 5418 
15 65.2 | 10.3 | 29.7648| 29.887 | 29.657 +230 5772 
, 16 53-5 14.0 | 29.5042 | 29 592 20.415 177 4175 
SUNDAY........ 17 44.0 115 o00¢% |} 59600. ¥1P Soacded 
18 42.4 18.0 29.8120 | 29.843 29.765 073 3225 
19 52.0 | 13-5 | 29.€968| 29.730 | 27.664 066 4278 
20 47-5 | 13-3 | 29-8932 | 30.057 29-709 348 3133 
21 44.0 14.6 30.0785 | 30.138 30.002 136 2402 
22 48.2 847, 29.7922 | 29.933 29.660 273 3647 
23 50.5 95 | 29.8033 | 29.888 29.707 181 3865 
SunDAy........ 24 43-5 FEV ||. sonpads | "acdc fb aGcano: I} a> || sashes 
25 425 18.4 29.8163 | 30.02% 29.619 
26 38.5 16.7 30.2277 | 30-312 30.092 
27 45-1 12.3 30 2627 | 30.300 30.233 
28 42.0 17.0 30.1432 | 30.237 30.c60 
29 44.0 12.1 32-1605 | 30 212 30.105 
30 39.0 19.4 30.1478 | 30.235 30.079 
62.57 | 46.83 | 15-74] 29.9760 
I —| 
19 Years means i 
for and including}| 58 46) 66.55 | so.74| 15-81] 30.or58| .... | ..... 178 3799 
this month ... 
ANALYSIS OF WIND RECORD. 
Direction sz} s. | s.w. | w. | nw. Cara 
Mile 1070 352 | 4012 79 | 1417 ae 
Duration in hrs. . 52 67 10 110 39 252 50 96 44 
Mean velocity...) 9.3 1x,8 2.5 9.7 9.0 15.9 13 6 14.8 
Greatest mileage in one hour was 31 on the 16.h. 
Greatest velocity in gusts 48 miles per hour, on 
the 16th. 
Resultant mileage 3702. 
Resultant direction, S. 60}° W. 
Total mileage, §827- 
Average mileage per hour, 12.3 m. per hour. 
‘The mean temperature for September, 04.83 is the 
lowest that has been seen here since a record has 
been kept; the one which approaches it the nearest| 
was in 1875, when it reached 55,19. 
* Barometer readings reduced to sea-level and | 
temperature of 32° Fahrenheit. | 
§ Observed. 
t Pressure of yapour in inches of mercary. | 
ft Humidity relative, saturation being 100, | 
1 12 years only | 
The greatest heat was 76.5 on the 18th; and | 
the greatesi cold was 38.8 on the 26th, giving a | 
Tange of temperature of 35.0 degrees. Warmest | 
day wasthe 15th. Coldest day was the 26th High- 
est barometer reading was 30.3340n the 12th; low- 
est barometer was 29.415 on the 16th, giving a 
range of .919 inches. Maximum relative humid- 
ity was 100 onthe 19th. Minimum relative humid- 
ity was 36 on the 4th. 
Rain fell on 12 days. 
Auroras were observed on 5 nights. 
Luna halo on one evening. 
Lunar corona on the 26th and 29th. 
Fog on one day. 
Rainbows were observed on two afternoons. 
Solur halos on two afternoons. 
‘thundered on two days without lightning. 
& 
