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TABLE XI.
METEOROLOGICAL RECORD—YEAR 1924.
Rain Gauge 5-in. in diameter, 1-ft. above ground, 146-ft. above sea level Temperature taken in the shade of a
Stevenson's Screen, 4-ft. from the ground. The Ground Thermometer is suspended in an iron tube, the
bulb being 4-ft. below the level of the ground.
Temperature of Air during Month
Mean
Temperature
of Air.
Difference
from
average
50 years at
Greenwich.
Mean
Temperature
of Ground
at 4-ft.
Mean
Temperature
of the
Dew Point.
Mean
Tensional
Difference
between
Ground and
Dew Point
at 9 a.m.
and 3 p.m.
Rainfall.
Months.
Mean of
No. of
Days
on which
Rain fell.
Amount
connect
in
Inches.
Difference
from
average
50 year at
Greenwich
1924.
Highest.
Lowest.
All Highest.
All Lowest.
January
51°
27°
45°.3
36°.7
41°.0
+ 2°.5
42°.1
38°.1
in.
- .034
16
in.
2.65
in.
+ 0.86
February
50°
21°
41°.3
33°.2
37°.2
— 2°.3
41°.8
33°.8
—.067
11
0.55
— 0.98
March
59°
23°
50°.0
32°.7
41°.3
— 0°.4
40°.4
35°.2
- .040
7
0.76
— 0.75
April
73°
28°
54°.4
39°.2
46°.8
— 0°.4
44°.l
40°.4
— .030
15
3.53
+ 1.93
May
76°
37°
65°.0
47°.5
56°.2
+ 3°.1
49°.8
49°.3
— .002
19
2.66
+ 0.78
June
79°
45°
68°.8
51°.6
60°.2
+0°.8
54°.7
52°.4
- .033
11
2.17
+ 0.14
July
86°
45°
71°.0
53°.2
62°.1
— 0°.4
58°.0
52°.6
— .074
14
3.54
+ 1.13
August
76°
47°
66°.4
51°.9
59°.1
— 2°.5
57°.6
53°.5
— .063
19
2.97
+ 0.59
September
73°
39°
63°.3
52°.1
57°.7
+ 0°.5
56°.3
53°.2
— .044
18
2.84
+ 0.64
October
69°
30°
57°.2
46°.3
51°.7
+ 1°.7
53°.3
49°.3
— .052
18
3.17
+ 0.44
November
60°
27°
50°.5
40°.1
45°.3
+ 2°.1
49°.1
42°.5
— .073
13
3.01
+ 0.72
December
56°
27°
47°.4
40°.4
43°.9
+ 4°.2
46°.6
40°.8
— .058
19
3.39
+ 1.45
Means and
Totals
for Year.
86°
21°
56°.7
43°.7
50°.2
+ 0°.7
49°.4
45°.1
— .047
180
31.24
+
123
The Rainfall at Croydon was 7.20 inches above, and number of days on which rain fell was 18 above the
average of 50 years at Croydon. H. W. CORDEN,
Croydon.