TABLE B-48. --May and July pond indexes, southern Manitoba, 1953 to 1964 
[indexes numbers, in thousands] 
Year 
Stratum 
Total 
A 
B 
May: 
1953- 
187 
312 
499 
1954- 
258 
1,075 
1,333 
1955- 
315 
428 
743 
1956- 
391 
615 
1,006 
1957- 
262 
404 
666 
1958- 
352 
264 
616 
1959- 
160 
482 
642 
I960- 
324 
295 
619 
1961- 
158 
263 
421 
1962- 
135 
295 
430 
1963- 
298 
331 
629 
1964- 
398 
331 
729 
Average 1953 to 1963 
258 
436 
691 
Percent change, 
from 1963- 
+34 
— 
+16 
Average-- - 
+54 
-24 
+5 
July: 
1954- 
473 
384 
857 
1955- 
399 
271 
610 
1956- 
425 
411 
836 
1957- 
241 
260 
501 
1958- 
163 
341 
504 
1959- 
96 
325 
420 
I960- 
164 
212 
376 
1961- 
41 
86 
129 
1962- 
97 
135 
232 
1963- 
145 
178 
323 
1964- 
201 
182 
383 
Average 1954 to 1963 
218 
260 
478 
Percent change, 
from 1963- 
+39 
+2 
+19 
Average - 
-8 
-30 
-20 
80 
