Table 12 



Analysis of Variance Results 



Layer Depth 









Probability H) of No 

 Significant Difference 



Between Areas 

 (Constant Time Period) 



Probability (^) of No 

 Significant Difference 

 Between Time Periods 

 (Constant Area) 





5-Day Mean 



Mean Monthly 

 in Adjacent 



1-Degree 

 Quadrangles 



10' Quadrangle 



Mean Monthly 





Adjacent 

 10' Quad- 

 rangles 



Alternate 

 10' Quad- 

 rangles 



Successive 

 5-Day 

 Means 



Alternate 

 5-Day 

 Means 



in 1-Degree 

 Quadrangle 



Month 



x..(ft> 



pq 



Year to Year 



Jan. 

 Feb. 

 March 



630 



3x3 



54/0 of l£ 

 55^» of l£ 

 100 



yer depths 

 yer depths 

 (90?^ of Ob 



below BT 

 range 



below BT 



range 

 s. >UiiO«) 



( >U4o») 



(>MfO') 



100 







April 



May 



June 



71 

 212 



2x3 

 3c4 



90fo of Ic 

 100 



yer depths 

 (50^ Of oT: 



below BT 



^ range 

 s. <20t} ^ 



100 



100 





83 



July 

 Aug. 

 Sept. 



22 



29 

 78 



3x3 



l4^x3 

 6x2 



90^ of ol 



63 



>s.=0' 



100 

 100 



30 





67 



93 



Oct. 

 Nov. 

 Dec. 



117 



235 

 321 



2x3 

 2x3 

 ^x3 



67 



26/. of ol 



56 



IS. >kkO' 



100 

 100 



50 



50 



33 

 80 



Mean Probability 

 All Months 



77 



56 



100 



70 



50 



71 



42 



