Handy Book of MeteorologyW. Blackwood and Sons, 1868 - 371 sider |
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Side 38
... hour , was 30.009 inches . At the same place and for the same time , the mean at 9 A.M. and 9 P.M. was 30.046 inches . Hence , if observations had been made at these hours only , the mean , deduced from them , would have been 0.037 inch ...
... hour , was 30.009 inches . At the same place and for the same time , the mean at 9 A.M. and 9 P.M. was 30.046 inches . Hence , if observations had been made at these hours only , the mean , deduced from them , would have been 0.037 inch ...
Side 44
... hours for a long time have been employed in preparing the materials for the thirteen Isobarometric Charts , for the twelve months and the year . Three of these are given in this Chapter - viz . , the Charts for July , January , and the ...
... hours for a long time have been employed in preparing the materials for the thirteen Isobarometric Charts , for the twelve months and the year . Three of these are given in this Chapter - viz . , the Charts for July , January , and the ...
Side 58
... hour of the day of each observation should also be noted , so that the correction for daily variation may be applied . 120. The space on the scale between these two points has been divided in different ways . FAHRENHEIT , a native of ...
... hour of the day of each observation should also be noted , so that the correction for daily variation may be applied . 120. The space on the scale between these two points has been divided in different ways . FAHRENHEIT , a native of ...
Side 66
... hour , or twenty - four times a - day , and the sum of the observations be divided by 24 , we shall obtain the mean temperature of that day . Observations of this nature , extending over considerable periods , have been made at Leith ...
... hour , or twenty - four times a - day , and the sum of the observations be divided by 24 , we shall obtain the mean temperature of that day . Observations of this nature , extending over considerable periods , have been made at Leith ...
Side 67
... hour before sunrise ; but in temperate regions during winter generally two hours , and at some places as much as three hours , before sunrise . As causes concerned in raising the temperature of the air before the sun's rays begin ...
... hour before sunrise ; but in temperate regions during winter generally two hours , and at some places as much as three hours , before sunrise . As causes concerned in raising the temperature of the air before the sun's rays begin ...
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America antisolar point ascending Asia Atlantic atmospheric pressure average barometer blow Britain calm causes centre charts cirrus cirrus cloud cistern climate cloud coast cold colder column condensed continent Crown 8vo daily dew-point diminished direction dry air earth earth's surface east Edition electricity equator equatorial current Europe evaporation falls Fcap feet flow globe greater heat height hemisphere Hence high pressure higher hour humidity hygrometer Iceland inch of mercury inches increase Indian Ocean isobarometric lines January John Herschel July latitudes low pressure lower Mauritius maximum mean temperature mercury Meteorological meter miles minimum moisture monsoon months northern northern hemisphere Norway observations occur ocean Orkney perature Plate polar current polarisation prevail Professor rain rainfall regions rises round Scotland season snow soil south-west St Petersburg storms summer temperature terrestrial radiation thermometers tion tropics tube upper currents vols weather wind winter Yakutsk
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