Table 2 

 Statistical Analysis of Historical Data for Chosen Parameters 

 Monthly Layer Depth (ft) 



One- 

 Degree 



Number 

 of Years 



Maximum 



Minlmvim 





Maximum 

 Standard 



Maximtim 

 Standard 



Percentage 

 of Obs.> 



Quadrangle 



of Data 



Mean 



Mean 



Range 



Error 



Deviation Max. BT Depth 









JMUAEY 











34w47W 

 34n48w 

 35N47W 

 35N48W 

 35N48w* 



3 



4 



3 



8 

 8 



357 

 370 

 400 

 380 

 376 



200 

 327 

 365 

 273 

 289 



FEERUART 



157 

 43 

 35 



107 

 87 



17.1 

 53.3 

 23.9 

 66.3 

 49.2 



45.4 



92.4 



47.3 



162.3 



147.7 



70 

 72 

 72 

 57 

 60 



34n48w 

 35N47W 

 35N48W 

 35N48wt 



6 

 3 

 7 

 7 



377 

 370 

 347 

 360 



180 



250 



90 



72 



MARCH 



197 

 120 



257 

 288 



77.5 

 21.3 

 83.5 

 67.1 



154.9 

 212.1 

 166.9 

 150.1 



78 

 76 

 90 

 80 



34k48w 

 35N47W 

 35W'+8w 

 35W48WX- 



1 

 4 

 6 

 7 



300 

 360 

 360 

 360 



300 

 220 

 153 

 129 



APRIL 



140 

 207 

 231 



23.1 

 86.0 



83.3 

 101.1 



4o.O 

 172.0 

 144.2 

 202.2 



70 



84 

 80 

 67 



34n47W 

 34n48w 

 35N47W 

 35w48w 

 35n48v^ 



2 

 3 

 3 

 7 

 7 



273 

 298 

 208 

 306 

 303 



91 

 8 



91 



55 

 48 



MAY 



182 

 290 

 117 

 251 

 255 



33.3 



49.9 



115.7 



146.6 

 32.1 



110.4 

 l4l.2 

 200.3 

 165.5 

 150.7 



40 

 50 

 54 

 57 

 55 



34K47W 

 34n48w 

 35K47W 

 35N48W 

 35n46w* 



2 

 2 



5 

 8 



9 



70 



62 



120 



m 

 151 



51 

 62 

 28 

 20 



33 



JUNE 



19 



92 



91 



118 



40.2 

 10.5 

 50.4 

 17.6 

 21.7 



98.6 



33.3 



142.6 



98.0 

 119.0 



34 

 



13 



4 

 2 



34N47W 

 34n48w 

 35N47W 

 35N48W 

 35N48Wfr 



3 



4 



3 

 6 

 6 



20 

 51 

 33 

 47 

 32 



6 



6 



18 



10 



4 



14 



15 

 37 



28 



6.8 

 10.9 

 2.8 

 7.3 

 9.7 



26.2 

 30.0 

 30.4 



42.3 



63.7 





 

 

 

 



* 20-minute square centered at this location 



23 



