50 
OBSERVATIONS 
Observations horaires de l’humidité de l’air, faites au solstice d’hiver de 1842. 
DATES 
HYGROMÈTRE DE SALSSURE. 
ET HEURES. 
BRUX. 
LILLE. 
ANGERS 
THOU. 
BORD. 
TOUL sc '. 
NAPLES 
FLOR. 
PARME 
AOSTE. 
S'-BER. 
FLOR 
LAÜSA. 
BERNE. 
21 DÉCEMBRE. 
6 h. du matin. 
93,5 
100 
94,0 
81 
98,0 
96,5 
62,5 
94 
75 
81 
75 
93 
88 
98,0 
7 — 
. 
93,5 
99 
95,0 
82 
99,5 
97,5 
62,5 
93 
79 
81 
86 
95 
85 
98,0 
8 — 
93,5 
98 
94,0 
81 
99,5 
97,5 
63,0 
92 
77 
82 
87 
90 
87 
97,0 
9 — 
93,5 
100 
94,0 
81 
97,0 
91,0 
63,5 
94 
80 
86 
87 
89 
90 
95,0 
10 — 
95,5 
99 
93,5 
81 
96,0 
94,0 
65,0 
93 
80 
80 
88 
92 
89 
95,5 
11 — 
95,0 
100 
93.5 
81 
96,0 
95,5 
65,0 
85 
84 
82 
88 
83 
85 
95,5 
Midi. 
95,5 
98 
95,0 
80 
95,0 
96,5 
63,0 
85 
82 
76 
85 
62 
85 
94,0 
1 h. du soir . 
94,0 
98 
94,0 
80 
94,0 
92,5 
56,5 
82 
79 
73 
85 
63 
82 
95,0 
! 2 _ 
94,0 
98 
94,5 
81 
93,0 
94,0 
55,5 
82 
77 
70 
86 
62 
81 ‘ 
95,0 
3 — 
94,0 
96 
94,0 
81 
93,0 
95,5 
55,0 
80 
78 
70 
87 
67 
77 
93,0 
4 — 
94,0 
98 
94,0 
81 
96,5 
94,0 
59,0 
82 
82 
64 
90 
73 
76 
95,0 
o — 
93,5 
98 
95,0 
81 
97,0 
95,0 
60,0 
85 
88 
59 
90 
75 
80 
97,0 
6 — 
96.5 
97 
93,5 
81 
98,0 
95,0 
62,0 
89 
86 
64 
90 
72 
79 
98.0 
- — 
97,5 
97 
92,0 
82 
98.0 
96,5 
62,0 
94 
88 
70 
88 
88 
81 
98,5 
8 — 
96,0 
97 
92,5 
81 
97,0 
98,5 
63,0 
95 
88 
74 
87 
88 
85 
98,0 
! 9 — 
97,5 
96 
94,0 
81 
98,0 
99,0 
64,5 
94 
90 
76 
91 
96 
85 
98,0 
10 — 
97,0 
99 
94,5 
81 
100,0 
99,0 
68,0 
95 
89 
78 
95 
94 
84 
99.0 
11 — 
97,5 
98 
95,0 
81 
100,0 
99,0 
66,5 
93 
89 
82 
92 
93 
85 
99,0 
Minuit. 
97,5 
100 
94,0 ' 
81 
100,0 
99,0 
67,0 
96 
89 
82 
90 
94 
85 
99,0 
22 DÉCEMBRE. 
1 h. du malin . 
97,5 
99 
94,0 
81 
100,0 
99,0 
65,0 
98 
92 
85 
92 
94 
85 
99,0 
2 _ 
97,0 
98 
94,0 
81 
100,0 
98,5 
65,5 
97 
92 
85 
82 
92 
82 
99,0 
3 — 
97,0 
100 
93,0 
81 
100.0 
99,0 
64,5 
99 
91 
85 
75 
92 
82 
99,0 
4 — 
97,5 
96 
92,5 
81 
99.0 
96,5 
65,0 
97 
93 
86 
80 
88 
82 
99,0 
5 — 
97,0 
98 
92,5 
81 
99,0 
98,0 
65,0 
93 
92 
86 
84 
95 
82 
100,0 
6 — 
97,0 
98 
92,5 
81 
100,0 
97,0 
66,0 
96 
92 
86 
93 
88 
88 
99,0 
7 — 
97.0 
98 
92,5 
81 
100,0 
98,5 
)) 
94 
92 
88 
91 
91 
88 
99,0 
« — 
97,0 
95 
92,5 
81 
100,0 
98,5 
ï) 
96 
93 
86 
94 
91 
89 
99,0 
9 — 
97,0 
95 
95,0 
81 
100.0 
98,5 
« 
97 
88 
68 
95 
90 
90 
96,0 
10 — 
97,0 
94 
92,0 
80 
100,0 
98,5 
» 
98 
93 
60 
95 
88 
89 
95.0 
11 — 
96,5 
95 
92,5 
80 
100,0 
97,5 
» 
95 
92 
58 
95 
87 
87 
96,0 
Midi. 
95,5 
91 
92,5 
80 
99,0 
92,0 
» 
91 
86 
56 
91 
83 
85 
95,0 
1 h. du soir . 
97.0 
95 
92,5 
80 
97.0 
96,5 
» 
87 
88 
55 
88 
57 
85 
96,0 
2 _ 
96,0 
96 
92.5 
80 
98,0 
96,5 
» 
85 
90 
56 
90 
74 
85 
96,0 
3 — 
98,0 
96 
93,0 
80 
99,0 
98,5 
» 
86 
89 
56 
87 
70 
87 
96.0 
4 — 
99,0 
95 
92,5 
80 
98.0 
99,5 
» 
86 
92 
60 
87 
73 
87 
95,5 
5 — 
100,0 
95 
95,0 
81 
97,0 
98,5 
») 
91 
95 
61 
89 
76 
90 
97.0 
6 — 
96,0 
» 
93,0 
81 
95,0 
99,0 
» 
95 
95 
63 
89 
83 
87 
98.0 
