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Index:Results of meteorological observations, 1894.djvu

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Results of meteorological observations, 1894.djvu

REGISTER OF CONTENTS.

Page

Introduction ... ... ... ... ... 1

Astronomical department ... ... ... ... 2

Meteorological department ... ... ... ... 3

Initials to indicate general weather ... ... ... v

Monthly reports of meteorological observations ... ... 7

General abstract showing means and extremes of different meteorological elements ... ... ... ... 43

Table I. Averages and extremes of different meteoro- logical elements during 25 years ... 45

II. Meteorological summary for the year 1894 ... 48

III. Normal pressure for each day of the year computed from the observations of 25 years ... .... ... ... 58

IV, V, YI & VII Mean indications of the baro- meter and thermometer at 4 A.M. and 10 A.M., 4 P.M. and 10 P.M., from 1870 to 1894 ... ... ... 61

,, VIII. Monthly means of pressure for 25 years reduced to sea-level ... ... 76

IX. Monthly oscillations of pressure for each month of 25 years ... ... 78

,, X. Comparison of monthly means for 1894 with the averages of 25 years ... ... 80

,, XI & XII. Highest maximum and lowest minimum temperatures during past 25 years ... 84

XIII. Normal temperature of each day of the year calculated from the observations of 25 years ... ... ... ... 88

XIV. -Mean temperature of the air for each month of 25 years ... ... ... 90

XV. Normal daily difference between wet and dry bulb thermometers for 25 years ... 92

XVI. Mean monthly and annual difference between wet and dry bulb thermometers for 25 years ... ... ... ... 94

XVII. Mean relative humidity for each month of 25 years ... ... ... 96

XVIII. Normal daily elastic force of aqueous vapour calculated from the means of 25 years ... 98 Page. Table XIX. Monthly and annual elastic force of aqueous vapour for 25 years ... ... 100

XX. Mean cloud proportion for each month of 25 years ... ... ... 101

XXI. Mean velocity of the wind for each month of 25 years ... ... ... 102

XXII Rainfall and the amount of evaporation for each day of the month for the year 1894 ... ... ... ... 104

,, XXIII. Normal rainfall of each day calculated for 29 years ... ... ... 108

XXIV. Monthly and annual rainfall for 29 years ... 110

XXV. Summer and winter rainfall ... 112

XXVI. Number of days on which rain fell in 29 years, from 1866 to 1894 ... ... 114

,, XXVII. Wind and rain limits of north-east monsoon for 28 years, from 1867 to 1894 ... 116

XXVIII. Mean rainfall during 25 years, from 1870 to 1894, tabulated under each of the eight principal points of the compass ... 120

XXIX. Mean number of rainy days during 25 years from 1870 to 1894, tabulated under the eight principal points of the compass ... 121

XXX. Wind observations during 25 years, from 1870 to 1894, with the monthly resultant direction and percentage ... ... 122

XXXI. Spectroscopic and other observations on rainy days ... ... ... 126

XXX1L Observations of crops and trees in 1894 ... 129

XXXIII. Harvest for 28 years ... ... 130

Mean time of the rising and setting of the sun at Vizagapatam for every tenth day of the year ... ... ... 131

List of presents received ... ... ... ... 132

PLATES.

I. Annual variation of pressure

II. Annual variation of temperature

III. Annual variation of pressure of vapour

IV. Annual variation of humidity

V. Annual variation of cloud proportion

VI. Rainfall for 29 years

VII. Mean rainfall and rainy days in curve forming wind-rose