TABLE I.
Mean Height of the Barometer at the Observatory and at the Peak for each month in the Year 1886, and Mean Diurnal Variation at the Observatory.
282
28.131
Mean.
Month.
1 &. 2 a.
3 a.
4 a.
5 2.
6 a.
7 a.
8 a.
9 a. 10 a.
11 a. Noon.
1 p.
2 p.
3 p. 4 p.
6 р.
6 p.
7 p.
§ p.
9 p. 10 p.
11 p. Midt.
Observ.
atory.
Peak.
January,.
February,
March,
April,
May,
June,
July,
August,
-.001 .013 +.003 ..008 +.003 .008 +-.002 -.010
+.011 +.002 -.005 -011 -.011 +.012 +.002 -.005 -.011 -.009 +.008 -006 -.021 -.028 -.023 +.003 -.011 ..023 -.023-014 -.005
.000
+.016 +.036
.003
+.022 +.039
+.053 +.057 +.053 +.058
.008
+.011 +.035
+.046 +.051
+012 .029
September,.
-+-.001 -.008
October,
-.001 -.012
November,
December,
+.004 -.006
+.014 +.004
-.006
.018 .016
-.015 -.013 -.013-015 -.015 -004 .018 -.019 -.013 .015 -.017 -.011 -001 -.020 -.021 ..014 .009 ..010
.003
-.009.006 -.011 +.002
.021 +.033 +015 +.023
.004
.005 +.016 +009 +.021 +015 +.030
.040 +.044 +.043 +.044 +.030 +.030 +.025 +.029
+030 +,033
+.087 +.038
.000
.003 +.012 -.005 +.007
+.017 +034+.045 +.045 +.031 +.045 +.057 +053 +.023+.039 +.051 ++.050
+.031 +.014 +.033 +.012
+.032 +.006
+.038 +010
+.047 +.020 -.016-038 +047 +024 011 —,037 +.043 +.024 -.002 ..023 +.037 +.023 +.001 .019 .012 +.037 +.026 +.007 +.026 +.016 +.003 .013 .026 -1038 .027 +.015 +.001 .026
-.013 .036 ..038 -.030
.016 +.028 +.017 +.001 ,028 -.084
-039 .040
-.007 --.025 ..039 -.041 -.029 ..044
.012 -.033 -.040 ..044 .046 ..030
-.024 .055
-.045 054 .046 -.033
.026 -.048 ..059 -.058047 -.032
,060
..043
-,043
-.0564 -.054 -.045 -.034 -.054 -.053 .043
.039 -.041 -.029
-.032
..029 042
.041 -.031
-042 -.035
-.039 -.032
.020 -.002 -.028 -.006 ,020 —.002 018 .001
-.026 -.009
.018,002 -.015 +.003 -.021 .000 -.016 +.003 -.014 +.008
014 +.003
-.016
+.010 .016
.007 +014 +015 +.024 +.014+.022 +.004 +015 +.010 +.025 +.017 +.030 +.017 +.027 +.021 +.025 .020 +.024 +.015 +.019 .001.011 +.019
+.019 +.016| 30.040 +.017.014 30.068 +.022 +.016 29.954 +,028.016| 29.845 +.014 +,005| 29.801 +.027 +017| 29.677 +.027 +,016 | 29.670 +.027 +.019 29.642 +.022 +.015 | 29.738 +.023 +.016| 29.874 +018 +.011 | 30.026 +.019.014 | 30.086
28.245
28.255
28.192
28.111
28.093
27.989
27.986
27.956
28.039
28.152
28.270
28.290
Means,
+.005 006 014 016 011 +.001 +.016 +.032 +.042 +.044 +036 +.017-007-027 -040 -.046 -.043.032 -.019 ,000 +.018 +.022 +.021+.015 29.868
TABLE II.
Mean Temperature at the Observatory and at the Peak for each Month in the Year 1886, and Mean Diurnal Variation at the Observatory.
Mean.
Month.
1 a.
2 a.
3 a.
4 a.
5 a.
6 a. 7 2. 8 a.
9 a. 10 a. 11 a. Noon. 1 p. 2 p. 3 p.
4 p. 5 p. 6 p. 7 p. 8 p. 9 p. 10 p. 11 p. Midt.
Observ-
Peak.
atory.
January,
February,
-0.9 -1.2 -1.6 -1.9 0.8 .0.9 1.2
-
March,
0,9
L
1.3
1.3 -1.4 -1,5
L
P
April,
0.7
May,
June,
July,
—
August,
September,
October,
November,
December,
0.0
-1.9 -2.1 -2.2 -1.6 -0.6 +0.6 +1.4 +1.9 +2.3 +2.6 +2.4 +2.0 +1.3 +0.4 0.0 -0.1 -0.3 -0.6 -1.0 0,0 -0,1-0.2
1.5 -1.5 1.6 -1.1 -0.4 +0.5 +0,9 +1.5 +1.7 +1.8 +1.6 +1.4 +1.0 +0.4 +0.2 +0.2 +0.2 1.1 -0.2 +0.8 +1.2 +2.0 +2.4 +2.1 +1.9 +1.6 +0.9 −0.1 -0.5 -0.5 -0.3 -0.3 -0.4 -0.4
-1.7
1.8 1.7 -0.4 +0.8 +0.9 +1.5 +1.4 +1.5 +1.5 +1.4 +1.0 +0.5 +0.1 -0.1 -0.2 -0.2 -0.3 -0.5 -0.6
·0.9 1.0 −1.2 ∙1.2 −1.4 −1.1 -0.3 -1.4 -1.5 -1.7 -2.0 -2.1 -2.0 -1.2 -0.3 +0.7 +1.2 +1.7 +2.6 +2.7 +2.5 +2.4 +1.8 +1.1 +0.4 -0.5 0.6 -0.6 -1.2 -1.4 1,5 1,6 -1.6 -1.5 −0.7 +0.2 +0.7 +1.3 +1.4 +1.5 +2.0 +1.9 +1.8 +1.2 +0.9 +0.4 -0.3 .0.7 -0.7 -0.8 -1.3 1.4 -1.4 -1.7 — 1.7 1.8 1.0 -0.1 +0.6 +1.1 +1.6 +2.0 +2.3 +2.3 +2.1 +1.6 +1.1 +0.5 -0.2 -0.6 -0.9 -0.9 -0.2 +1.0 +1.9 +2.3 +2.3 +2.4 +2.7 +2.7 +2.4 +1.3 +0.3 -0.5 -0.8 -1.1 -1.2 -1.4
1.4 1.6 1.6 1.9 1.9 1.9 1.2 2.2 -2.4 0.7 +0.9 +2.2 +2.6 +3.4 +3.6 +3.7 +3.5 +2.7 +1.6 +0.5 -0.2 -0.6 -1.2 -1.4-1.8-2.0
2,6 2.6 -2.7 -2.7 1.8 -1.4 -1.5 -1.8-2.0 -2.1 -2.1 -1.5 -0.3 +0.4 +1.5 +1.9 +2.5 +2.7 +2.7 +2.5 +2.0 +1.2 +0.1 -0.3 -0.6 -0.8 - 1.0 1.2 1.5 -1.3 1.7 -2.1 -2.5 -2.8 -2.8 -2.7 -1.3 +0.1 +1.3 +2.4 +3.0 +3.2 +3.2 +2.9 +2.3 +1.3 +0.6 +0.3 -1.4-1.8 -2,0 -2.2 -2.5 −2.5 −2.8 -1.6 -0.1 +1.4 +2.3 +3.0 +3.5 +3.6 +3.1 +2.3 +1.3 +0.5 +0.1 −0.2 -0.3 -0.6-1.0
58.7
58.0
53.6
47.8
62.0
59.4
69.4
65,2
-0.8 0.9
75.7
69.9
-0.9 1.0
79.8
73.2
- 1.1
1.2
80.6
74.2
-1.6
81.2'
75.1
79.7
73.6
76.8
70.7
-0.1 -0.4 -0.5 -0.7 1.1
69.0
61.7
1.1
59.8
52.1
Means,
-1.2 -1.5 -1.7 -1.9 -2.0 -2.0 -1,6 −0.7 +0.3 +1:2 +1.8 +2.3 +2.5 +2.5 +2.4 +1.9 +1.1 +0.3 −0.1 -0.4 -0.5 -0.7 −0.9 −1.1
70.5
64.7
Page 285Page 286
TABLE ‘III.
Mean Humidity at the Observatory and at the Peak for each Month in the Year 1886, and Mean Diurnal Variation at the Observatory.