Table 9. Months when temperature and precipitation conditions caused water stress for perennial plants for 108 years (1892-1999).

APR

MAY

JUN

JUL

AUG

SEP

OCT

# Months


% 6 Months
15 Apr-15 Oct

TOTAL

5

2

3

7

8

12

7

38.0

35

% of 108
YEARS

27.8

11.1

16.7

38.9

44.4

66.7

38.9