HORARY OBSERVATIONS OF THE BAROMETER, THERMOMf:TER, &e. 



[Made at the Manse of the Parish of Abbey St. Bathan's, Berwickshire, Lat. 55o 52' N. Long. 2o 23 W. at 



1 the height of about 450 feet above tlje sea, for the commencement of each hour per clock, beginning at 6 



o'clock in the morning of Monday the 22d June, and ending at 6 o'clock in the evening of Tuesday the 



23d, thus extending over 36 hours, according to the suggestion of Sir John Herschel.) By the Rev. 



John Wallace. 



10 



11 



12 



54 

 55 



561 

 57^ 

 58^ 



58 



57 



54 

 56^ 



55^ 

 56 



55 



53i 

 51 



48f 



46i 



44 



43^ 



42 

 41 i 



41i 



4U 



41 



4l2- 



4U 



47 



481 



49 i 



51 



51 



53 



1 50 



47i 



5H 



4 51i 



5 52 



6 :)0« 



49 



27 



13 



i '11 



28"895 

 28-881 

 28-867 

 28-837 

 28-816 



28-802 



28-800 



28-791 

 28-791 



28-799 

 28-778 



28-786 



28.806 



28-823 



28-838 



28-859 

 28-878 

 28-882 



28-891 

 28-905 



28-925 



28-925 



28-92 



28-923 



28-926 



28-932 



28-935 



28-941 

 28-940 

 28-934 



28-931 



28-939 



28-937 



28-939 



28-942 

 28-948 

 28' 962 



VV.S.W 



W. S. W 

 W. 



W.N.W 



S. by W 



w.s.w 



Shifting. 



w. s. w. 



NWbyW 



Remarks. 



^ Strong wind, overcast, with tendency to rain ; an under stratum 

 ^ of clouds in rapid motion. 



Strong wind, occasional tendency to rain. 

 ^ Under stratum of clouds nearly swept away, but the sky veiled 

 J with cirri and cirrostrati. 



^ Light clouds driving before the wind under a bed of cirrostratus 

 ^ which overspreads the sky ; occasional light showers. 

 J Nimbus along the western and northern horizon from S.W. to N.E, 

 5 sky still entirely veiled, light showers. 



The s-dme nearly as at 11 A.M. 



Tendency to clear ; large masses of cumuli in S.W. quarter ofhor. 

 i Cumuli abundant, chiefly in the horizon, and in rapid motion under 

 \ the upper stratum which veils the sky. 



i Wind increasing, sky rapidly clearing, cumuli abundant, collected 

 5 in large masses on the western horizon. 



"^Clearing ; a beautiful bed of cirri eastw^ard of the zenith, extending 

 \ from northward to southward, and farther eastward, in the same 

 3 direction, a bed of cirrostratus, a few floating masses of cumulus, 

 i Light cumuli floating over a blue sky, sun shining through a hazy 

 5 whiteness in the west, streaks of cirrostratus in the east. 

 ) Cloudless, with the exception of the above mentioned thin hazy 

 \ whiteness in the west, and streaks of cirrostratus in the east. 

 } Cloudless, with the exception of cirrostratus in the east, which are 

 ji diminishing, and of a mass of black clouds above hor. in N W qr. 

 i Cloudless, with the exception of a mass of black hazy clouds seen 

 \ above the horizon in S.W. quarter, wind sinking. 



Cloudles, with gentle breezes. 



> Nearly cloudless, breeze gentle, faint streaks of aurora borealis rising- 

 \ from the horizon towards the zenith, a little e-dstward of north 



A bed of cirrostratus northward of east, a little above the horizon, 

 the only exception to a clear sky ; calm,now and then sudden gusts» 

 iThe bed of cirrostratus noted -dbove disy)peared, another formed in 

 y N.E. quarter ; tendency to formation of cloud prevalent over the 

 J the sky ; calm, so that wind cannot be noted ; slight deposition. 

 \ Cirrostratus in N.E. qr. broken, gradually dissipating; hazy clouds- 

 \ forming round the hor.; hazy white clouds southd. of zenith ; calm. 



Cirrostratus forming in western part of sky from N to S ; light wind. 

 } Calm and nearly cloudless, with a thin hazy whiteness chiefly dis- 

 \ cernable where the sun is situated. 



i Gentle breeze, considerable masses of cumuli; the hazy whitenessp. 

 I accumul-dting in the eastern part of the heavens. 



The cumuli much increased in magnitude ; breeze increasing. 

 ^ Breeze decreasing ; a sudden shower ; cumuli moving in large mases ;. 



> nimbi seen toward S.E. and N.E. Clear sky from windward to 

 J zenith, with cumuli floating over it ; hazy clouds in opposite qr. 



Gentle breeze ; .skv clear overhead ; large masses of cumuli round 

 horizon to W. and S. E. and nimbus seen in the distance. 

 ^During preceding hour wind became strong, and shortly sunk again 



> into a gentle breeze ; nimbus seen in the western quarter : other- 

 j wise nearly the same as at 10 A.M. 



^ Wind again brisk ; heavy masses of cloud in the horizon from S.W. 

 / to S.E. passing here and there into nimbus. On the northern 

 I region of the heaven large masses of white cloud forming different 

 * stnita, and nearly at rest. 

 ) Wind hushed ; a slight shower ; the sky nearly overspread with a 



> cloud of the cumulostratus formation rising from a base in the 

 3 S.W. quarter; wind shifting southeastward. 



"^The above mentioned cloud was speedily transformed into nimbns, 

 f when a heavy fall of rain, accompanied with hail, took place, but 

 ? did not continue long ; calm ; sky partially clear ; nimbus still 

 3 prevailing in the N.W. quarter. 



) During preceding hour another short but heavy fall of rain mixed 

 \ with hail; sky overspread with cirri and cirrostrati; cumuli below, 



> Brisk wind ; sky overspread with cirri and cirrostrati ; large cumuli 

 \ floating below. [same as above described 



Brisk wind ; skv gradujiUy clearing, but its general npitearance the 



