site: Cottonwood, South Dakota
Following is a list and units of data contained in the CN06_XXX.SOIL files where XXX is the calender day of year.

Column		variable 		units
1		decimal day		-
2		calender day   		-
3 		hour            	-
4		soil temp 5 cm rep 1    degrees C
5		soil temp 5 cm rep 2    degrees C
6		soil temp 5 cm rep 3    degrees C
7		soil temp 10 cm rep 1    degrees C
8		soil temp 10 cm rep 2    degrees C
9		soil temp 10 cm rep 3    degrees C
10		soil temp 20 cm rep 1    degrees C
11		soil temp 20 cm rep 2    degrees C
12		soil temp 50 cm rep 1    degrees C
13		soil temp 100 cm rep 1   degrees C
14		soil volumetric water content 5 cm rep 1    
15		soil volumetric water content 5 cm rep 2    
16		soil volumetric water content 5 cm rep 3    
17		soil volumetric water content 10 cm rep 1    
18		soil volumetric water content 10 cm rep 2    
19		soil volumetric water content 10 cm rep 3    
20		soil volumetric water content 20 cm rep 1    
21		soil volumetric water content 20 cm rep 2    
22		soil volumetric water content 50 cm rep 1    
23		soil volumetric water content 100 cm rep 1   
24		soil dielectric 5 cm rep 1
25		soil dielectric 5 cm rep 2     
26		soil dielectric 5 cm rep 3     
27		soil dielectric 10 cm rep 1    
28		soil dielectric 10 cm rep 2    
29		soil dielectric 10 cm rep 3    
30		soil dielectric 20 cm rep 1    
31		soil dielectric 20 cm rep 2    
32		soil dielectric 50 cm rep 1    
33		soil dielectric 100 cm rep 1