158 Meteorological Observations for June 1827. 



METEOROLOGICAL OBSERVATIONS FOR JUNE 1827. 



Gosport. — Numerical Results/or the Month. 



Barom. Max. 30-33 June 9. WindN.-Min.29-64 June2&29. Wind SW. 

 Range of the mercury 0-69. 



Mean barometrical pressure for the month -Sl-yoS 



Spaces described by the rising and falling of the mercury . . . 4-080 

 Greatest variation in 24 hours 0-320.— Number of changes 26. 

 Therm. Max. 75° on three diff. days.— Min. 45° June 6 & 7. Wind NW. 

 Range 30°.— Mean temp.of exter. air 60°-75.For 31 days with © iiin59-79 

 Max. var. in 24 hours 24°-00--Mean temp, of spring water at 8 A.M. 51°-35 



De Luc's Whalebone Hygrometer. 

 Greatest humidity of the air in the morning of the 1st .... 82° 



Greatest dryness of the air in the afternoon of the 23rd 3(5 



Range of the index ,• " ' ' •,,• ''^ 



Mean at 2 P.M. 51°-4— Mean at 8 A.M. 58°-0— Mean at 8 P.M. 61-3 



of three observations each day at 8, 2, and 8 o'clock . . 56-9 



Evaporation for the month 3-00 inch 



Rain near ground 1-66 iuch.-Rain 23 feet high 1-525 inch. 



Prevailing Wind S.W. 



Summary of the Weather. 

 A clear skv, 4; fine, with various modifications of clouds, 14 j an over- 

 cast sky without rain, 7 ; rain, 5.— Total 30 days. 



Clouds. 



Cirrus Cirrocumulus. Cirrostratus. Stratus. Cumulus. Cumulostr. Nimbus, 



17 ■ ' 11 25 25 23 15 



Scale of the prevailing Winds. 

 N NE. E. S.E. S. S.W. W. N.W. Days. 



\i b I n I 13^ 1 6i 30 



General Observations.— This month has been rather dry, with intervals 

 of refreshing showers and brisk gales of wind. The thermometer in the 

 shade has not yet risen to summer heat ; and the first seven nights were 

 cold, and blighted much of the young fruit. 



The mean temperature of the external air this month is about one-third 

 of a decree under the mean of June for the last eleven years. 



The changes in the mercurial colunui, though not very great, are many 

 for June : and the continuation of the wind from the S.W. ihe last fort- 

 ni<Tht was remarkable. At twenty minutes before 12 P.M. on the 9th 

 instant, an unusually large meteor fell obliquely towards the eai-th from 

 an altitude of about 15 degrees in the N.E. part of the horizon: it was 

 nearly the apparent size and colour of the full moon, which was then 

 shining a few degrees eastward of the meridian. 



Between five and six o'clock in the morning of the 22nd, two parhelia 

 appeared, one on each side of, and each 22° 40' distant from, the sun's centre. 

 The first was observed on the northern side of the sun m a thick Cirrus, 

 which was descending to the horizon and passing to a Cirrostratus: it had 

 a whitish train ten or twelve degrees long, which was even perceived 

 through a thin cloud that was passing under it. Wiien this |iarhelion had 



nearly 



