“ 
90 £E. Loomis—Reduction of Barometric Observations. 
Centrale di Meteorologia Italiana. 
cipal barometric minima at 
ometric maxima during t 
. vation are indicated by the numerals 1, 2 and 3. 
Taste XU1L— Barometric maxima at Colle di Valdobbia. 
e same period. 
Table XII shows the prin- 
Colle di Valdobbia during this 
period of three years, and table XIII shows the principal bar- 
ours of obser- 
$) ‘nese Alessandria C.diValdobbia weak S|} Date. Alessandria, 
A Bar. |Ther.| Bar. | Ther. | temp. | 4 Bar. | Th 
1879. ; : > ||| 1880. : 
1|Jan 1.1/759°2| 2°0)566-1|— 2°6|— 0°3. |47|Au28 1/756°6| 21-1 
2| 18.3) 61-1|—3-2| 66-2|— 65|— 485/48] 31.3) 57-3} 19° 
3] 27.1] 59°6| 3-9] 65-0, — 5-2|— 0-65 |49/Sep. 2.3| 61-0) 20° 
4\Feb 7.1] 54°6|—0°6| 61-4 — 5:5|— 3°05 50/Oct, 1.1) 61-2| 13°: 
f 1] 56°7| 5-9} 62°6,— 4°5|+ 0-7 [51] 15.3] 58-5). 11° 
Mar.9.3| 65°8| 7-7| 72°3/— 3°0|+ 2°35 |52|Nov7.3| 61:9] 8° 
17.1] 58-0} 4°2| 63-1/— 3-4/+ 0°4 |/53) 24.3] 64-1] 8+ 
Apr.1.1} 55°6| 13-5] 63-4|— 0-8}+ 6°35 |54| 29.3) 67°3| 6 
9} 25.3] 49-1] 15°9| 61-0\— 3-9|+ 6-0 |55|Dec.8.1) 67-1] — 1° 
May 5.3] 55°7| 14-0| 63°5|— 3-1/+ 5°45/56) 11.)| 55-4) 2° 
14.3) 54-4) 14-6) 64-0/— 1-0|+ 6°38 | 881. 
22.3| 65-7| 16°0| 67-6, 0°5| + 8-25 /57|Jan. 2.3] 64°6| 1°6 
30.1| 59°7| 12-1 66°7| 0°5/+ 63 |/58| 6.3) 58-5) B+ 
Ju. 11.3} 56-0] 22-0} 70-4} 5-9/4 13-95 |59|Feb 3.1] 55°9|—5:1 
21.3] 52-3} 25-5) 68:3) 7-4/+16-45|60| 16:3| 57°9| 3+ 
28.2| 66°4| 30-7] 725) 12-4|+21°55|61] 21-3] 61-4| 7-3 
Jul 25.3) 54-8) 23-9] 70-4) 9-4/4 16°65 |62| 23-3) 60°8| 5 
28.3) 56°4| 23°9| 71-5] 8°8| + 16°35 |63|Mar.3.1| 60-9] ot 
Aug3.1| 54:4) 2671] 72-4 16-0|+21-05/64| 9.3} 56-2/ 10° 
20.3) 53°5| 24°7| 70-6, 11-9/+18-3 |65! 18.3} 62-4! 10° 
29.3) 64°7| 24-8] 71-4) 12-3}418-55||66| 23.3] 57-7| 3 
22|Sep. 2.1] 59°4| 24°5| 73-8] 12-4) 418-45//67|/Ap 17.3] 64-9| 16° 
23|Oct. 8.3| 55°9| 16°5| 70-3) 8-3} +12-4 |/68| 25.3 55-1| 11- 
4} 12.3) 62-1) 14°4| 72°8| 7-0|4+10-7 |/69} 30.3] 57-0] 12° 
25|Nov5.3| 62°6| 5-7) 69°3|— 2°8|+ 1-45||70|May 7.2 
3} 65-4) 6-7] 71-7] 1-0) + 3:35 22. 
66°0|  3°2| 69°8/— 3-3|— 0-05||72| —30.: 
28|D’c 16.1) 68-1/—7-5| 68-°6|— 8-8|— 8-15||73|Jun 4.5 
29) 23.1) 71°0|—7°8| 75-2|— 4:5|— 6-15/|74| 17.3 
30] 28.3] 69°0|—8-2| 71-9|— 4-6|— 6:4 ||75| 24: 
1880. 76|July 4.2 
31)Jan. 4.3) 65°3|—2°0| 70-1|— 3-2|— 2-6 ||77| 15. 
32} 67°1/—8-4) 71-0'— 4-0/— 6-2 |/78| 18.3 
33 -1| 651] 2-3] 69°5|— 5-2|— 1-45/|79| 29.2 
34\Feb. 1.1) 66°3| 2-1] 69°4|— 6-7/— 2°3 |/80/Aug4.3 
5] 3.3] 64-8|—0°6| 69-9|— 6-2/— 3:4 ||81} 20.3 
36|Mar.6.3| 68°7| 13-1] 70-1] 2°0|+ 7°55/|82} 29.3 
7 66°3| 11-4| 72°1|— 1-0/+ 5:2 |/83/Sep13.3 
8} 11.3} 61-1] 10°8| 70-9} 1-614 6-2 |/34| 18.3 
39)Ap19,1| 56°1| 14°9| 663] 3°5|+ 9°2 ||85] 26. 
My 25.3) 61-0| 19°0] 73-1]  6°7) + 12°85]/86/Oct. 7. 
41|Ju.17.2| 53°3) 24°7| 67-0) 6°8| + 15°75|/87|Noy.5 
42| 28.3} 56-8] 21-8} 71:3] 78/4148 |/88| 13; 
43/Jul 11.2) 55°0| 29-4] 70-6) 10°6|+20-0 ||89| 20. 
“6| 26°2) 72°3| 13°0|+19°6 |/90| 24, 
55-3) 32°6| 73-2} 17-0) +24°8 |/91|Dec. 2. 
54:1| 22°8| 69°1] 9°6} +162 |/92} 27: 
C.diValdobbia| 
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