Table 18 



Analysis of Variance Results 



Gradient of the First Gradient 







Ft) 



Probability H) of No 

 Significant Difference 



Between Areas 

 (Constant Time Period) 



Probability (^) of No 

 Significant Difference 

 Between Tine Periods 

 (Constant Area) 



(°F/100 . 



1 



5-Day Mean 



Mean Monthly 

 in Adjacent 



1-Degree 

 Quadrangles 



10' Quadrangle 



Mean Monthly 

 in 1-Degree 

 Quadrangle 

 Year to Year 



Adjacent 

 10* Quad- 

 rangles 



Alternate 

 10' Quad- 

 rangles 



Successive 

 5-Day 

 Means 



Alternate 

 5-Day 

 Means 



Month 



X..(Of) 



pq. 



Jan. 

 Feb. 

 March 



2.75 



3.92 



l.i;o 





77^ Of gr; 

 90^ of gr 

 90^ of gr! 



id, below ] 

 id. below ] 

 id. below ] 



(T range 

 IT range 

 !T range 









April 



May 



June 



1.70 



3.02 



h,7k 



2x3 

 3x2 



3c4 



60% of gri 

 88 



id. below ] 

 100 



IT range 



100 

 100 



100 





33 



33 



July 

 Aug. 

 Sept. 



5.02 

 5.32 

 5.21 



3x3 



4x2 

 4x3 

 6x2 



100 





100 



100 



83 



100 





67 

 58 



26 



Oct. 

 Nov. 

 Dec. 



4.40 

 4.03 

 Bimoda] 



3x2 

 5x2 



4x3 

 . Di 



100 

 stributior 



I 46^ of ot 



100 



100 

 s. = 2.5°F/1( 



100 



)o±.5°; 3 



3^ Of ob£ 



33 



39 

 . hav^ grad. >BT 



Mean Probability 

 All Months 



96 



100 



98 



100 





range 

 41 



48 



