Native Vegetation 
23 
TABLE IX.—GREATEST AND LEAST YEARLY PRECIPITATION (INCHES). 
No. of Years 
Station 
Considered 
Greatest 
Least 
/ 
Cheyenne Wells . 
. 16 
25.46 
9.72 
Cowdrey, North Park. 
. 19 
21.27 
10.01 
Denver . 
. 42 
22.96 
7.75 
Durango . 
. 16 
34.29 
8.90 
Fort Collins . 
. 32 
22.79 
7.11 
Garnett . 
. 17 
9.82 
3.50 
Grand Junction . 
. 19 
11.61 
3.64 
Hamps . 
. 18 
24.15 
7.63 
Meeker. 
. 17 
24.30 
12.67 
Long’s Peak (near) . 
. 20 
29.66 
13.50 
Rocky Ford . 
. 22 
18.75 
6.93 
Wray . 
. 17 
26.99 
10.74 
Yum a. 
. 20 
29.29 
10.26 
The variation in precipitation from year to year for a num¬ 
ber of localities is shown graphically in Fig. 9. 
Distribution of Rainfall Throughout the Year .—There are 
several distinct types of rainfall in Colorado. The Great Plains 
section is characterized by a rainfall, about 75% of which occurs 
during the growing season, and 50% to 74% of which may come 
during the months of June, July, August, and September. This 
section has two main types of rainfall. In the region north of the 
Arkansas-Platte Divide, comprising the South Platte drainage sys- 
