Month.
Barometric Tide.
Mean Diurnal Variability
of Temperature.
Table XVI.
TEMPERATURE.
Observatory.
Peak.
Mean Mean Mean Mean
Min. Max. Min.
Days with Rain.
Hourly Intensity
of Rain.
MEAN DIRECTION OF CLOUDS
WHENCE COMING.
345
Number
of
Day's
with Clouds
below.
Lower.
Upper.
Cirrus.
Max,
2,000 ft. 1,000 ft.
January,
February,
0.105
1.90
63.1 56.1 57.9 50.5
6
0.026 | E 8° SW 6° S
W
15
5
0.108 2.09
58.2
52.1
53.5
46.3
11
0.025 E 1° N W 5° S
W
March,.
0.100 2.32
66.1 59.0
62.4
54.4
12
0.064] E 31° S W 13° S
W
April,
0.093
2.09
74.4 67.1
68.7
61.9
14
0.088 E 57° SW 9°S W 6° S
May,
0.084
1.66
80.4 73.5
73.1
67.6
17
0.090 S 19° E W 11°N W 26° N
22
June,
0.071
1.38.
July,
0.065 1.06
84.4 77.5
85.5
76.0 71.3
21
0.175 S 1°E W 67° N N 18° E 20 3
78.1 77.9
73.2
21
0.180 S 16° E E 44° N N 32° E 16
2 2 2 2 2 2
16
8
22
11
24
12
6
ස
August,
September,
October,
November,
0.072
0.079 1.04
0.088 1.21
1.13
85.0 77.3 77.7
72.7
17
0.175 S 16 WE 47° N N 40° E
14 2
December,
0.103 1.62
0.108 1.99
84.3 77.0 77.5 71.6
79.1 72.7 73.4 66.6
73.4 65.7 66.7 58.9
66.8 59.3 60.6 51.8
13
0.156 E 6° S | E 65° N N 20o E
-T
7
0
7
0.127 E 7° NW 4° S
میرا
N
10
5
1
0,046 E 17° N | W 33° S W 22° S
0.038 E 6o N | W 21° S WTM
3
6 2
Means,..... 0.090 1.63 75.1 67.9
68.8 62.2 148
0.098 E 34° SW 31°N | N 43° W
11
Table XVII.
Five-yearly means of Readings of Solar Radiation Thermometers and Excess over Maximum Thermometers as well as Excess of Minimum over Terrestrial Radiation Thermometers, mean Weight of Aqueous Vapour in Troy Grains in each cubic foot of air and Diurnal Range of Temperature at the Observatory and at the Peak, and average height in feet corresponding to a decrease of 1o in the temperature.
Solar Radiation Thermometer.
Solar Radiation Excess over Maximum.
Terrestrial Radia- tion.
Weight of Aqueous Vapour.
Diurnal Range.
Month.
Height of 19. Decrease.
Observ. atory.
Peak.
Observ- atory.
Peak
Observ- atory.
Peak.
Observ- atory.
Peak.
Observa- tory.
Peak.
January,
February,
March,
114.0 108.7
100.0 99.4
115.1 110.7 49.0
50.8
41.8
51.2 +2.4 +2.5
4.31
4.14
7.0
7.4
314
45.9 +1.5 +1.8
3.89
3.75
6.1
7.2
326
48.4 +1.5 +1.2
5.29
5.10
7.1
8.0
501
April,
124.7
116.7
50.3
48.1
+1.5 +11
6.88
6.49
7.3
6.8
402
}
May,
135.8 125.3
55.4
52.2 +1.8
+1.0
8.18
7.62
6.9
5.5
304
June,.....
138.5 126.5
54.1
50.5
+2.6
+0.8
9.14
8.51
6.9
4.7
259
July,
141.0
133.7
55.5
55.8 +2.5
+0.8
9.42
8.81
=
7.1
4.7
274
August,......... 139.9 133.4
54.9
55.8 +2.3 +1.4
9,27
8.69
7.7
4,9
291
September, 142.0 136.8
57.7
59.3 +3.6 +1.8
8.11
8.05
7.3
5.9
282
October,
November,
December,
136.8 130.8
57.7
57.4 +4.2 +2.1
6.83
6.74
6.f
6.8
275
131.2 123.5
57.8
56.8 +4.7 +2.6
5.01
5.02
7.7
7.8
272
122.1
117.3
55.3
56.7
+5.1 +2.1
4.06
3.99
7.5
8.8
280
Mean,.
128.4 121.9
53.4
53.2 +2.8
+1.6
6.72
6.41
7.1
6.5
315
TCH
4