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Abstract of the Results of the Ifourly Meteorological Observations taken at the /S'urve_yor Genet-al’s Ofiice, Calcutta, in the month QfAp1'il, 1862.

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Feet. Height of the Cistern of the Standard Barometer above the Sea-level, 18.11

Daily Means, &c. of the Observations and of the Hygrometrical elements
dependent thereon.

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The Mean height of the Barometer, as likewise the ‘Mean Dry and Wet Bulb

Thermometers, are derived from the twenty-four hourly Observations made during the day.

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Abstract of the Results of the Hourly Meteorological Observations taken at the Surveyor General’; Ojice, Calcutta, in the month of April, 1862.

Daily Means, &c. of the Observation; and of the Hygrometrical elements dependent thereon.—(Continued.)

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8 . 76.5 10.6 1.2 15 9 . 56 .03 .30 .60

9 1 74.8 11.9 68.8 17.9 .699 7.43 .75 .56

10 75.0 10 5 69.7 15.8 .720 .68 .04 .60

11 73.4 12.2 67.3 18.3 .666 .10 .66 .56

12 74.9 11.3 69.2 17.0 .708 .54 .45 .58 13 Sunday.

14 i 76.5 11.3 70.8 17.0 .746 .92 .68 .58

15 77.2 11 5 71.4 17.3 .761 8.07 .89 .58

16 ‘. 78.8 9.5 74.0 14.3 .827 .79 .01 .61

17 ‘ 80.1 6.7 76 7 10.1 .902 9.60 3.61 .73

18 79.2 7.0 35.7 10.5 .873 .30 .69 .72

19 78.8 66 5.5 9.9 - .868 .27 .41 .73 20 Sunday.

21 79.0 6.6 75.7 9.9 .873 .32 .44 .73

22 78 3 5.8 75.4 8 7 .865 .26 2.95 .76

23 77.5 6.0 74.5 9 0 .840 .01 .99 .75

24 77.3 6.6 74.0 ~ 9.9 .827 8.86 3.27 .73

25 35.6 '6 5 Z23 9.? .783 .41 .10 .73

26 6.4 .1 2.8 10. .795 .52 .48 .71 27 Sunday.

28 - 77 7 4.9 75.2 7.4 .860 9.24 2.44 .79

29 76.2 5.0 _‘ 73.7 7.5 .819 8.82 .39 .79

30 75.0 5.3 I 72.3 8.0 /'83 .44 i .47 .77

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All the Hygrometrical elements are computed by the Greenwich Constants.

Abstract of the Results of the Hou1'lg Meteorological Observations taken at the Surveyor General’s O_flice, Calcutta, in the month of April, 1862.

Hourly Means, &c. of the Observations and of the Hygrometrical elements dependent thereon.

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The Mean height @175... Barometer, as likewise tl1e\1\Iean- Dry and Wet Bulb Thermometers. are derived from the Observations made at the several hours during the month.

Abstract of the Results qf the Hoztrly llleteorological Observations taken at the Surveyor GeueraZ’s Ojice, Calcutta, in the mouth 0/ April, 1862.

Hunrly Means, &c. of the Observations and of the Hygrometrical elements dependent there0n.—(C0ntinued.)

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All the H ygr01110trical elements are computed by the Greenwich Constants.

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Abstract of the Results of the Hourly Zlleteorological Observations taken at the Surveyor General’s Ojice, Calcutta, in the month qfzlpril, 1862.

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Max. Solar
radiation.

128 0
132.0
127.0

121.8
128.0

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133.4
131.0
127.0

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Inches.

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.Prevailing direction
of the Wind.

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Sunday.
S. W.

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General Aspect of the Sky.

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Scatd. clouds till 3 P. M. cloudless afterwards.

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11 12 13 14. 15 16 17 18' 19

20‘ 21

22‘:

23 24

140.0
137.4

140.0
138.0
137.0
134.4
131.8
137.0

128.0

118.0

125.4
133.0

nu
.u
"-
‘.1

0.11

0.12

S. & S. WV.
S & S. W.
Sunday.
. & S. W.
. & W.

.&S.W.

§°"‘£""."*m”‘

Sunday. ‘ S.

S.&S.E.

S. & S. E.
S.

Cloudless.

Cloudless.

Cloudless.

Scutd. \—i & r\i.

Cloudless.

Scattered clouds till 3 P. M. cloudless

afterwards.

Scattered clouds till 6 P. M. cloudless afterwards.

Scutd. \-i & r\i till 2 P. M. cloudy after-
wards; also raiuiug between 9 & 10
P. M.

Cloudless till 8 A. M. Scatd. "\i till 2
P. M. cloudy alter-wards.

Scat(1.\—i 3 P. M. cloudy afterwards;
also thunder, & lightning & a little
rain between 8 & 9 P. M.

_\i Cirri, \—i Girro strati, fli Cumuli, hi Cumulo strati, ‘H-i Nimbi, —i Strati, 1/*1 Cirro cumuli.

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