June 15,1925 Environment and Chemical Composition of Grape Juices 1163 
condition hastened the development 
of vegetation, with disastrous results 
to the grape crop. A cold wave of 
several days duration at the end of 
March was accompanied by heavy 
frosts and temperatures of 24° on 
March 29 and 27° March 30 and April 2. 
The young shoots on most varieties were 
at that time 4 to 10 inches long, with 
the blossom clusters showing. plainly 
on the earlier-blooming varieties. All 
were killed. On April 11 and 12 a 
Inches 
8 
. 
- 
/ 
/ 
1 
- J. 
\ 
\ 
\ 
\ 
\ > 
S' 
*/ 
\ 
9—1 
< 1 
\ 
a :/ 
. 4 - 
\ / 
-*- r -?* 1 
Rainfall and Sunshine 
Record 
at 
Vineland, New Jersey 
for 
_ 19 20 
z - 
Jam. Feb. Mar. 
Q Cuear Days 
Fig 7 —Rainfall and sunshine at Vineland, N. J., in 1920, with 50-year average for comparison. 
(All days on which a trace, 0.1 inch or less, was recorded are included) 
Table VI. — Number of days recorded as “clear,” “partly cloudy,” and “cloudy” 
at Vineland, March to September, inclusive, 1918 to 1923, inclusive 
March 
April 
May 
June 
July 
August 
Sep¬ 
tember 
Num¬ 
ber 
Per 
cent- 
ages 
1918: 
Clear _ __ 
! 
18 
18 
23 
19 
21 
21 
21 
141 
65.8 
Partiv cloudv _ _ _ _ 
6 
2 
6 
8 
6 
2 
2 
32 
15. 0 
Cloudy -__ 
7 
10 
2 
3 
4 
8 
7 
41 
19.1 
1919: 
Clear __ __- 
i 
20 1 
18 
18 
20 
18 
18 
22 
134 1 
1 62.6 
19.65 
Partly cloudy _ 
6 | 
6 
8 
5 
4 
9 
4 
42 
Cloudy -__ 
5 
6 
5 
5 
9 
4 
4 
38 
17.75 
1920: 
Clear _ 
20 
14 
13 
18 
23 
7 
15 
110 
51.26 
Partly cloudy _ _ 
2 
10 
10 
8 
7 
19 
14 
70 
32.7 
Cloudy___ -- 
9 
6 
8 
4 
1 
5 
1 
84 
16.0 
1921: 
Clear - __ 
19 
14 
14 
17 
18 
22 
15 
119 
55.6 
Partly cloudy _ 
9 
7 
8 
10 
9 
3 
8 
54 
25.2 
Cloudy__ 
3 
9 
9 
3 
4 
6 
7 
41 
19.1 
1922: 
Clear___ 
14 
18 
19 
11 
19 
12 
21 
114 
53.2 
Partly cloudy _- - 
6 
5 
6 
10 
10 
10 
3 
50 
23.36 
Cloudy_ 
11 
7 
6 
9 
2 
9 
6 
50 
23.36 
1923: 
Clear___ 
16 
19 
21 
21 
12 
16 
15 
120 
56 
28 
Partly cloudy_ 
8 
4 
6 
7 
15 
10 
10 
60 
Cloudy___ 
7 
7 
4 
2 
4 
5 
5 
34 
16 
1 
Percentage of possible clear days: 1918, 73.36, or 158; 1919, 72.45, or 155; 1920, 67.75, or 145; 1921, 68.22, 
o 1146; 1922, 64.95, or 139; 1923, 70.09, or 150. 
