lxxxvi

METEOROLOGICAL REGISTER.

EMARKS ON TORONTO METEOROLOGICAL REGISTER FOR FEBRUARY, 1870.

NOTE. The monhly means do not include Sunday observations. The daily means, exceptingthose
that relat: to the wind are derived from six observationsdaily, namely, at6 A. M., 8 A. M., 2 P.M., 4 P.M.,
10 P.M., and midnight. The incans and resultants for the wind are from hourly observations.

Highest Barometer..............
Lowest Barometer ..............................................................28.900 at 4 p.m. on 27th.

Self-register-

ing Ther.

Monthly range=
1.275 inches.

30.175 at 8 a.m. on 4th.

.40°6 on 17th.
.....-606 on 21st.

Monthly range=
47°2

Maximum temperature...........................................................
Minimum temperature....
Mean maximum temperature
Mean minimum temperature .............................
Greatest daily range

Least daily range

Warmest day.
Coldest day.

.28002) Mean daily range
.14074] 13°28
.......33°2 from a.m. to p.m. of 25th.
3°5 from a.m. to p.m. of 20th.

Possible to see Aurora on 10 nights; impossible on 18 nights.

Snowing on 18 days; depth 20.1 inches; duration of fall, 96.3 hours.
Raining on 2 days; depth, 0.520 inches; duration of fall, 9.7 hours.
Mean of cloudiness=0.73.

++++|+||++1+

1842 26.9 9.9

1843 14.5

8.5

38.5

1844 26.0

3.0

47.9

..17th; mean temperature......34083 }
.21st; mean temperature...... 2092

Difference=31°91.

1845 26.0

+ 3.0

49.1

9.4 47.9 1
0.6 47.3 4
4.2 53.3 5

1846 20.4

2.6

41.9

-16.7 58.6 0

0.000 13

46.1

0.65

4.10 0.937 12.30 19.14 N 67 3.11 8.60
+ +
-3.99 +0.61 -4.0 2.100.417 5.70 0.96]

0.50

WIND.

Resultant direction, N. 29° W.; resultant velocity, 2.84.
Mean velocity, 8.10 miles per hour.

Maximum velocity, 32.7 miles, from 7 to 8 a.m. of 27th.
Most windy day, 12th; mean velocity, 20.92 miles per hour.
Least windy day, 5th; mean velocity, 0.58 miles per hour.
Most windy hour, 1 p.m.; mean velocity, 11.09 miles per hour.
Least windy hour, 10 p.m.; mean velocity, 4.57 miles per hour.

Solar haloes on 3rd, 5th, 7th, 12th, 19th, 21st and 26th. Those of the 19th and 26th
being very brilliant and accompanied by mock suns.

Lunar haloes on 5th, 7th and 16th.

Fcg on 6th, 7th, 14th, and 17th.

12th, 5.40 a.m., brillant auroral display, accompanied by a considerable magnetic
disturbance.

1866 22.5

1864 24.3 + 1.3
1865 22.4 0.6
-0.5
1867 28.9 + 5.9
1868 17.2 - 5.8
1869 25.0 + 2.0
1870
21.5 <- 1.5

1.330 13

10.8 N 65 w2.53
19.2 IN 41 W1.48
23.1N 80 w 3.43
2.4 N 64 1.99 6.94
13.0 75 W3.34 6.42
12.6 N 49 W2.51 7.30
18.0 N 71.73 6.91
21.8 N 40 w4.34 8.17
9.7 N 81 7.70 10.71
11.7 78 W3.6 9.82
26.7 N 72 w3.229.12
8.3 N 54 w 2.72 8.50
18.8 N 61 3.28 8.73

29.7 N 77 W3.86 10.58
23.1 N 55 w 3.93 8.52
22.0 N 23 2.27 10.13
9.5 84 w 5.48 10.11
16.8 N 23 W 3.95 8.23
16.9s 80 5.14 0.40
13.4 N 57 W1.58 8.85
32.8 N 69 W3.23 10.84
39.7N 34 W4.18 10.04
20.1N 29 W2.84 8.10

METEOROLOGICAL REGISTER.

lxxxvii

Day.

.893
.724

.965 .896
.591 .683

.754

.774 .816

.9122 6.8 20.1 12.9 14.15-11.87.051.059.063.060 86 55 80
.6642 20.5 24.1 21.5 22.933.32.081.120.104.109 73 93 90
.7840 21.2 30.6 25.9 25.78 0.73.105.123.120.116 93 72

MONTHLY METEOROLOGICAL REGISTER, AT THE MAGNETIC OBSERVATORY, TORONTO, ONTARIO,-MARCH, 1870.

Barom. at temp. of 320.

6. A.M.

2 P.M.

Latitude-43° 39'4 North. Longitude-5h. 17m. 33s. West. Elevation above Lake Ontario, 108 feet.

Excess

Tension of Vapour. Humidity of Air.

6

2 10

Temp. of the Air.
of
Mean
6 2 10
10 P M. Mean. 6 A M.2 P.M. 10P.M ME'N Normal. A M. P.M. P.M M'N A.M. P.M. P M. M'N 6 A.M.

above

.333 29.300 29.421 29.3607 23.0 29.8 18.0 22.67- 2.90.106.133.075.105 86 80
529 .627 .749 .6482 14.0 17.2 11.4 14.12 -11.68.071.068.062.066 87 72

14

.376 .418 .510
.551 .617 .689
.723 680 .710
.547 .555 .721
.697 .589 .569
12 .516 .390 .138
.009
.641 .705
15 .713 .357

.7027 11.8 29.8 21.4 22.55

-

.126
.4412 21.9 28.4 25.1 25.38-1.62.106.134.116,115 90 86 86
.6290 21.5 28.0 16.5 21.48 5.82.104.117.076.095 90 76 83
5.00.063.096.110.093 86 58 84 77
.6130 27.7 27.0, 12.5 21.975.90.141.100.067.100 94 68 88 81
.6107 10.4 15.6, 12.2 12.77-15.37.057.081.005.067 80 91 86
.3243 11.4 16.9 21.5 16.97-11.50.062.084.095.082 85 90 82
25.5

.759

.372

.7082 25.5 32.0 19.7 25.75
.5333 17.6 31.3 31.3 27.95

38.1
.4112 36.7 38.5 34.5 36.38+
.6827 33.1 34.9 27.331.17
.9540 23.0 30.2 26.6 26.25
30.105 30.122 30.113 30.1182 24.8 36.3 25.9.29.23
30.147 30.118 30.032 30.0918 19.7 27.3 28.7 25.97
26 29.898 29.746 29.592 29.7250 27.3 33.4 35.0 32.55

3.33.125.099.083.036 91 54. 78
1.43.083.144.166.136 85 81 94
.1610 14.7 17.6 18.3 17.63-12.12.078.088.087.087 93 92 87
2753 22.4 37.1 33.8 32.65+ 2.57.113.147.115.135 94 67 5S 73
7037 24.1 34.2 23.3 23.40
.7745 15.8 31.2 32.428.60

77

31.3
.3043 32.7 38.1 36.0.35.67+1.62.165.179.180.176 88
.6502 35.3 41.4 32.4 36.37 1.92.189.178.161.174 92
.7683 33.8 36.7 36.736.33+ 1.52.173.188.188.185 89 86
.8055 38.1 41.4 40.339.70+ 4.52.195.187.201.193 85 72 80

-

81

NE

N 67 E
WbNwbw N 55 w

6.8

12.6

4.6

8.17 8.50

0.3

2.0

2.0

4.8

2.22 4.09

inap.

8
ESE

EbN
E
NE NNE NNW
NNW NWbN NNW
WNW Wbs w b8
Calm. Nbw NNW
NNE
NE NEDE ENE
ENE ENE NNE N 40 E 20.6
NbE SE
ENE N 52 E
87
NE EbN SEBE N 86 E 5.2
89 s w bw wbN wbs N SI W 9.5 19.0 5.6
ENE N NNW N 10 W 5.0 20.0 17.0
NNW NW NWbNN 42 w 17.09.2
WNW SSW
8 28 w 4.0 5.2
SEUSE 8 E
8 62 E 4.1 5.0

N71E 4.2

15.0 15.7

11.73 12.63

2.5

N 22 E 15.0

6.2

0.5

4.83 5.46

0.0

N 34 W 3.8

12.0

1.0

6.SC 6.98

s 73 w 2.0 14.6
N 13 w 0.0 9.8
N 42 E 7.6
N 59 E 13.2

3.2

5.73 7.20

15.0

8.44 9.4

1.0

11.6 10.2

10.12 10.25

0.0

14.5 20.5

17.54 17.69

6.0

29.6293 29.6345 29.6c05 29.6140 22.77 30.08 25.25 26.27-3.70.111.121.115.116 85 71

81

78

8.32 12.089.21

10.15 0.755 62.4

lxxxviii

METEOROLOGICAL REGISTER.

REMARKS ON TORONTO METEOROLOGICAL REGISTER FOR MARCH, 1870.

NOTE.-The monthly means do not include Sunday observations. The daily means, excepting those
that relate to the wind, are derived from six observations daily, namely at 6 A.M., 8 A.M., 2 P.M., 4
P.M., 10 P.M., and midnight. The means and resultants for the wind are from hourly observations.

0.335 15

11.3 N 63 w

6.63 10.84

6

0.2 N 58 W

5.45 8.56

33.53.9 53.0
29.80.2 46.5
32.4 2.8 59.3
27.7-1.9 44.8
30.61.0 56.3
30.71.1 55.1
1855
28.5 1.1 49.4
1856 23.1 6.5 41.4
1857 27.8 1.8 57.6
28.4
1858
1.2 55.4
1859 36.3 6.7 54.2
1860 31.5 4.9 67.0
1861 26.9 2.7 47.4
1862 28.8 0.8 43.2
1883 25.8 3.8 42.2
1864 20.1 0.5 50.2
1865 33.6 + 4.0 55.6
1866 27.6 2.0.45.8
1867 26.6 3.0 46.8
1868 31.3 1.7 59.0-15.6 74.6 7 2.660
1869 23.1 6.5 46.8 5.4 52.2 3 0.985
1870 26.3
3.3 44.0

METEOROLOGICAL REGISTER.

lxxxix

MONTHLY METEOROLOGICAL REGISTER, AT THE MAGNETICAL OBSERVATORY, TORONTO, ONTARIO-APRIL, 1870.
Latitude-43° 39'4 North. Longitude-5h. 17m. 33s. West.

Elevation above Lake Ontario, 108 feet.

129.802 29.788 29.731 29.7732 40.5 47.2 42.843.38+ 7.78.124.102.118.11 49

.6993 32.0 41.4 35.6 35.90

.542

.610

.668

.6103 34.5 38.1 38.136.92

.6495 37.4 46.1 38.8 40.35+ 2.85.187.234.186.197 84
.611 35.6 52.9 37.4 42.70+ 4.80.177.137.144.152 85
.7518 32.7 54.0 38.1 43.72+ 5.43.143.208.153,169 76
7468 32.7 57.6 41.4 45.35+ 6.68.135.140.187.160 73
51.5
-.145

.6830 42.S 50.8 47.9 46.78 +10.77.108.108.093.107 39 29 27
43.9
.172
0.83.092.091.149.120 51
0.22.107.187.195.163 52

-

-

75 79

216
.5468 44.6 50.0 46.147.40+ 6.08.255.243.234.241 86
38.5
216

.5868 37.8 50.4 45.044.38+ 4.97.183.236.258.220 80
6662 39. 49.3 38.142.45 2.65.159.155.187.161 64 44
.6143 33.4 43.2 40.7 40.95 +0.77.134.198.213.187 70 70
.5252 40.7 63.7 52.6 53.83+13.27.223.364,353.315 87
46.8

18

338

.273

283

20

19 .288 .291 .331
277 .301 .362

21

.409

.497 .551
.590 .568 .546

.573

.612

655

301

.339
.517
.302 .558 .742
.817 .761 .693
.670
.547
.625

29.6113 29.6096 29.6081 29.6088 39.26 50.38 42.62 44.58 +3.49.1841.206.205.198 74

.2920 42.8 54.4 54.4 51.62+9.57.240.341.32.323 87
.301 48.6 43.5 41.744.98+2.55.312,278 281 91
.3137 42.1 40.3 40.3 41.07 1.7.259.236.219.24 96
.4887 41.7 43.5 40.742.15-1.03.228,240 23.220 86
.5592 39.2 52.6 43.9 45.93+ 2.38 .259.218.236 94
.6138 41.0 57.6 45.4 48.004.05.218.276.263.253 85
62.7
.9213 39.2 52.2 39.9 43.27-1.40.173.153.110.140 72
.8117 35.3 59.8 42.147.00+ 1.98.163.246.195.204 79
.4933 40.3 57.6 48.9 49.65 - 4.22.176.204.208.202 69
.5627 51.5 50.0 38.1 15.39 0.38.283.156 .169.180 74
.7520 37.8 47.9 38.1 42.88-3.22.157.165.169.160 69
.6110 37.8, 55.4 49.3 48.37+ 1.8.138.192.273.201 60

41

EbN

72 58

33 IN EDE
NNE
N

ENE ENE
ENE NE b N

85 73 NNW

NN W
N
NbE

78 Nbw wbx
Calm. N w bN

Calm.

N 66 E 15.5
N 40 E 11.8
N 7E 16.8
NNE
NWbNN 3 w 13.4
Nb w N 4 W12.8
N 57 W

2.6

3.0

0.0 0.97 2.12

NNW N 27 W

0.0

13.3

14.2 6.14 6.23

N 79 E 2.5
s 57 w 0.5
EbN
N 81 E15.0 16.6
N 81 E 11.2 13.0
EbN
2.8 8.76 9.38
ENE Eb NN78 E 4.5 16.6 16.5 17.03 17.24
ENENE BENEDEN 61 20.4 18.6 18.6 16.39 16.44

7.6

3.8 3.84 4.43

9.0

0.0 2.55 3.74 .025

10.0 13.73 13.78

Aurora observed on 11 nights, viz.: 1st, 2nd, 5th, 7th 8th 12th, 21st 22nd, 25th, 26th & 29th.
Possible to see aurora on 18 nights; impossible on 12 nights.
Snowing on 2 days; depth, 0.1 inches; duration of fall, 3.2 hours.
Raining on 9 days; depth, 2.145 inches; duration of fall, 68.3 hours.
Mean of cloudiness-0.56.

REMARKS ON TORONTO METEOROLOGICAL REGISTER FOR APRIL, 1870.

NOTE. The monthly means do not include Sunday observations. The daily means, excepting those
that relate to the wind, are derived from six observations daily, namely at 6 A.M., 8 A. M.. 2 P.M., 4P.M.,
10 P.M., and midnight. The means and resultants for the wind are from hourly observations.

Highest Barometer...

29.956 at 10 p. m. on 25th.

Lowest Barometer.......................29.273 at 2 & 4 p. m. on 18th.

Coldest day.............

Monthly range=
0.683

} Monthly range=

53°51) Mean daily range-
.36°50

17901

2906 from a.m. to p.m. of 26th.
700 from a.m. to p.m. of 5th.

YEAR.

Mean.

O

+

1842 43.7
89.8 20.1
1843 40.9 0.1 71.6 14.7
1844 47.5 + 6.5
74.6

о

69.7

8

3.740

0.57 lbs

56.9

14.9 59.7

7 3.185
10 1.515

3 0.1

0.46

1 inap.

0.24

1845

42.1

1.1

66.7

15.5 51.2

Difference=17093

11 3.290

1.5

1.00

1846

41.0 + 3.0

81.8

24.2 57.6

10

1.3

0.55

1847 39.2

1.8

65.1

9.3 55.8

4.0

0.59

Resultant direction, N. 34° E.; Resultant velocity, 4.13.
Mean velocity, 7.03 miles per hour.

Maximum velocity, 30.0 miles, from 7 to 8 a.m. of 28th.
Most windy day, 17th; mean velocity, 17.24 miles per hour.
Least windy day, 23rd; mean velocity, 1.04 miles per hour.
Most windy hour, 10 a.m.; mean velocity, 9.68 miles per hour.
Least windy hour, 8 p.m.; mean velocity, 5.04 miles per hour.

Solar haloes recorded on 4th, 10th, 11th, 13th, 14th, 22nd, and 30th.
Lunar haloos on 10th.

Fog recorded on 14th, 19th, and 20th.
First thunder storm of year on 13th.
24th. Thunder storm at 7 p.m.

25.8 33.5
20.0 33.8
25.0 40.7
20.2 44.3
10.7 58.7
72.2 14.2 58.0
52.0 5.9 46.1
€5.2 21.8
64.8 22.6 42.2
61.8 19.5 42.3
67.0 23.8 43.2
68.0 14.5 53.5
69.0 8.6 60.4
59.4 28.1 31.3
23.0 39.5
28.5 42.5
65.5 25.4 40.1
64.0 9.2 54.8
72.2 16.6 55.6
67.0 29.6 37.4

11 2.295

3

61.990

4

10 2.625

1

12 2.685

4

8 2.030

3

3

43.4

N 36 w2.33 10.79
0.3 N 37 w 4.10 10.30
6.9 N 37 E2.31 8.90
0.2 N 50 E 2.48 9.77
1.6 N 14 E3.75 9.20
3.5 N 41 E3.39 7.77
2.0 N 84 W2.11 8.39
2 inap N 42 w 3.34 7.95
7.2 N 51 w2.68 7.89
5.3 N 63 w2.43 0.24
0.5 N 59 w 4.03 8.91
0.1 N 34 E4.13 7.03

67.13 18.52 48.61 9.80 2.419 3.73 2.51 N 21 w2.07 8.15

Results
to 1809.

40.9€

for 1879 3.62

0.13 11.08 11.21 0.80 0.274 1.73 2.41

+

7.50
1.1 N 39 w1.12 7.64
1.2 IN 14 E2.52 8.07
9.4 23 E2.44 6.68
1.0N 12 w1.95 5.20
2.7 N 50 E2.57 6.81
1.6 N 36 w3.99 7.57
13 2.780
0.1 N 29 E1.64 6.05
10 1.755 11 12.9
13 1.642 2 0.1
9 2.627 8 1.2
11 1.282 5
12 1.619 4
10 2.235 4
8 2.210 4
16 3.633 3
17 3.972 6
7 1.675
12 2.147 5
7 10.900
10
9 2.965 6
9 2.145
2

0.5 N 77 w 1.46
21.7 N 43 w3.14

4.89 m.

N 60 w 4.15 10.24
N 14 w 1.64 9.57

1.12