Prof. Cornette on the Aurora of 1859. 399 
Meteorological Observations at Springhill, lat. 30° 41’ N. Elevation 46 
metres. (In French metrical and thermometrical standards.) _ 
» 3, |Attached} Detached Wet bulb ‘ T 
1869) eet age eee fines ihcreie | theratek. | Absorption. lwells | 
z 
4h | 9h | 12% | 3% | Qe [Min/Max] 6 | 2 | 9 | 6 | 2 | 9 [Iner|Exvr| 3 
Ang. ee ies PS mm.| mm. 
27 yeni, 760°7)|759°6 yt 279! 30° es 24-4191 8123-0122 60}... 
28 | 59-1 7| 60-4) 59-0) 59-Cf 28 | 30 [22-7 - 30°7/26°0121°8/25°0/23°8) 15) 6°0 )3-°0, 21-1 
29 | 59-2] 59°9| 59-8] 57:8] 58°51 27 | 28 24°2.26 *4/24°3122°0/23 0/230) 1-0} 4-0 [25 
30 |758°5| 58°61... .| 57-2) 58°C] 27 | 29 921-2266 22-8}19-2/22-1/20-7] 12) 5-0}....121-1 
Cog! VIND. CLoups. é 
Morning. Evening,|Night |Morning.| Evening. Night. |Morning [Evening.| Night. | mm. 
Rag ee eee ee me 
Me Oe oF tb Cc 8 8 8 0 0 0 
2 |C N N C..Lon. n \n-SN-| 0 0 R¥0 |} 00 
5 ‘ 
29 INWsNW| NW |NW/ N: | N-n,| 2; | pp | 0 | 0 | 08 
30 N | N | Clan:] 2, 8. 0 0 0 | 00 
Explanation of the notat 
1st. For the winds. oo N2 north wind of the ner order, 5 bein 
gale. 
i woth overa esate wind, or opposite winds as 5 » Nedne by clouds. 
2d. For the face of the ai se serene, N cloudy. », slight cirrus clouds, 
ni mg clouds. N~ slight stratus clouds. 
3d. For rain storms.—p rain, R® heat lightning to the north, 
Magnetic Declination (relative diurnal). 
ts 
1859, 4h 6h Or 12h | 3h 64 On 
FI : 
Aug. 27 | 23/, 2075) 20.02. yn SRB Se, 26’, 40-5 | 23', 29'S | 22/, 10-0 
/ : 34" B65] oo... Ty BOO J ss vs 29” 50-0 | 41” 59-0 | 667, 548 
1 29 | 61', 47"5 | 47", 6-0 14°90 40, 0-5. | 87° 34°-0 | 30’, 50-0 | 87", 34”-0 
j 80: 88, ef ee: 2 MOY EET: 5 5901... 31, 70 
In the night of August 28, after the Aurora Borealis. 
Hours. | Decl’n. |Barom Therm [Psych Hours. Declin’a. Barom, | Therm. |Psych’t) Sky. 
ae oe , ? ’ Lad regen 
9 10 | 82 52-0] 759-0) ....)....] 9 37 58 200) bach «ate ia 
15 | 76 «ses | DOB] 28 50 | 64 21:0 ae ae Obs 
20 | 71 22-0] 759-1} ....]....910 0 | 65 390 Pee ea 
25 158 39°51..../....].,..4 10 10° | 61 475 Td 250 1; 8 
M100 175)... nd cect Sa Del BL Seo = 5 eos 
9 34 155 2501.0... oli) Ga a] eee 22°2| N: 
Tn ris to a fall Slandca of aa tables it would be 
requisite to know also the whole course, absolute and relative, 
of the various mgeciricanag henomena. This contd be too long 
an undertaking, although the means areat command, But from 
the observations of the four days mentioned, we are able to draw 
the following conclusions : 
oe: ree ne 
in the evening, ve it falls = ak in the ue 
: = I have scarcely found a single 
