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30 





10 





50 



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60 



E 



70 



P 



80 



T 



90 



H 



100 





120 



(M) 



150 





200 





250 





300 





100 





500 





N III 





Kfl 



MEAN XBT TEMPERATURE* DEG-C 01 MARCH 



23.3 23.2 22.6 22.2 21.6 21.3 20.7 19.8 19.3 18.6 18.1 17.6 17.0 16.0 15.6 14.9 11.2 13.8 13.0 12.2 

 23.2 23.2 22.6 22.2 21.6 21.3 20.7 19.7 19.3 18.8 18.1 17.6 17.0 15.9 15.5 14.9 14.1 13.7 12.9 12.2 

 23.1 23.2 22.6 22.1 21.6 21.3 20.6 19.7 19.3 18.8 18.1 17.6 16.9 15.9 15.6 11.9 11.1 13.6 12.9 12.2 



23.1 23.2 22.5 22.1 21.5 21.2 20.6 19.7 19.3 18.8 18.1 17.5 17.0 15.9 15.6 15.0 11.2 13.6 12.8 12.1 

 23.0 23.1 22. 4 22.0 21.5 21.2 20.6 19.7 19.3 18.8 18.1 17.5 17.0 15.9 15.5 15.0 1U. 1 13.6 12.7 11.9 

 22.9 23.1 22.3 21.9 21.0 21.1 20.6 19.7 19.2 13.9 18.1 17.4 16.9 15. R 15.4 15.0 11.1 13.5 12.5 11.7 

 22.7 22.9 22.2 21.8 21.3 21.0 20. U 19.6 19.1 18.8 18." 17.4 16.8 15.7 15.3 10. 9 14.0 13.5 12.'3 11. 4 

 22.6 22.8 22.1 21.7 21.1 20.9 20.3 19.5 18.9 18.6 17.0 17.3 16.8 15.7 15. "4 15.0 14.0 13.5 12.2 11.0 



22.4 22.6 21.9 21.7 21.0 20.8 20.2 19.14 18.8 18.6 17.9 17.3 16.8 15.7 15.3 14.9 13.9 13.1 12.0 10.1 



22.2 22.3 21.7 21.5 20.9 20.7 20.1 19.3 18.7 18.6 17.0 17. n 16.9 15.8 15.2 11.7 13.7 13.0 11.5 9.9 

 21.9 22.0 21.5 21.3 20.7 20.5 19.9 19.2 18.6 18.6 17.9 17.3 16.9 15.7 11.9 11.1 13.1 12.4 11.0 9.6 



21.3 21.5 21.0 20.7 20.1 19.9 19.3 18.6 18.1 18.1 17.7 16.7 16.5 14.9 13.6 13.0 11.9 11.2 10.3 9.2 

 19.9 20.1 19.8 19.6 18.6 18.6 18.0 17.3 16.9 16.7 15.9 15.5 15.0 13.1 12.2 11.3 10.5 10.1 9.3 8.7 



17.4 17.7 17.3 17.1 16.1 16.2 15.5 14.6 11.0 13.9 13.2 12.5 12.1 10.7 10.2 9.6 9.3 9.0 8.5 8.0 



14.5 14.7 14.7 14.3 13.4 13.4 12.9 12.3 12.0 11.6 11.2 10.9 10.5 9.6 9.2 8.6 8.3 8.2 7.8 7.5 

 11.9 12.1 12.1 11.9 11.6 11.5 11.3 10.9 10.8 10.3 10.0 9.8 9.3 8.6 8.3 7.7 7.5 7.4 7.1 6.9 



8.7 8.9 8.9 9.0 8.9 8.9 8.8 8.6 8.5 e.2 7.9 7.7 7.4 6.7 6.6 6.2 6.2 6.1 6.2 6.1 



6.7 6.7 6.7 6.8 6.5 6.6 6.6 6.5 6.5 6.3 6.1 6.0 6.0 5.5 5.6 5.3 5.1 5.3 5.4 5.5 



50 150 250 350 450 550 650 750 850 950 1C50 1150 1250 1350 1450 1550 1650 1750 1850 1950 



93 278 463 649 834 1019 12"5 1390 1575 1761 1916 2131 2317 250? 2687 2872 3053 3213 3428 3614 



UISTANCE 



MEAN XBT TEMPERATURE 9 DEG-C MID-MARCH 



23.1 23.2 22.7 22.2 21.6 21.2 20.5 19.7 19.1 18.7 17.9 17.3 16.8 15.8 15.1 11.8 14.1 13.5 12.9 12.2 



23.3 23.1 22.6 22.1 21.6 21.2 20.5 19.7 19.1 18.7 17.9 17.3 16.8 15.7 15.3 14.8 14.1 13.5 12.8 12.2 



23.2 23.1 22.6 22.1 21.5 21.1 20.5 19.6 19.1 18.7 17.9 17.2 16.7 15.7 15.3 14.8 14.1 13.4 12.7 12.2 



23.2 23.1 22.6 22.1 21.5 21.1 20.4 19.6 19.1 ie.7 17.9 17.2 16.8 15.7 15.3 14.8 14.2 13.4 12.7 12.1 

 23.1 23.1 22.5 22.0 21.4 21.1 20.4 19.6 19.1 18.7 18.0 17.2 16.8 15.7 15.3 14.8 14.2 13.4 12.6 11.9 



23.0 23.0 22.4 21.9 21.0 21.1 20.4 19.6 19.1 16.8 18.0 17.2 16.8 15.7 15.2 14.8 14.1 13.3 12.4 11.6 



22.8 22.9 22.3 21.8 21.2 21.0 20.3 19.6 19.0 18.7 17.9 17.1 16.8 15.6 15.2 14.8 14.0 13.2 12.3 11.3 

 22.6 22.7 22.1 21.7 21.0 20.8 20.2 19.4 18.8 le.5 17.8 17.1 16.7 15.5 15.2 11.8 14.0 13.1 12.2 11.0 



22.4 22.6 21.9 21.6 20.9 20.7 20.1 19.2 18.7 16.4 17.8 17.1 16.6 15.5 15.1 14.8 14.0 13.0 12.0 10.5 



22.1 22.3 21.8 21.4 20.7 20.6 19.9 19.1 18.6 18.3 17.7 17.0 16.7 15.5 15.1 14.7 13.9 12.7 11.6 10.0 



21.9 21.9 21.6 21.2 20.5 20.4 19.7 19.0 18.4 18.3 17.7 17.0 16.7 15.5 11.9 14.3 13.5 12.2 11.0 9.6 



21.3 21.5 21.1 20.8 19.9 19.8 19.1 18.5 18.0 16.0 17.5 16.6 16.5 14.9 13.9 13.3 12.4 11.0 10.2 9.2 



20.0 20.1 20.0 19.6 18.6 18.6 18.0 17.3 16.8 16.8 15.9 15.5 15.1 13.2 12.1 11.5 10.8 10.0 9.3 8.7 

 17.3 17.6 17.5 17.2 16.1 16.3 15.6 14.6 13.9 14.0 13.2 12.4 12.1 10.8 10.2 9.6 9.4 8.9 8.5 8.1 



11.1 11.7 11.8 11.3 13.1 13.5 12.9 12.2 11.8 11.7 11.3 10.8 10.5 9.6 9.2 8.7 8.4 8.1 7.8 7.5 

 11.8 12.0 12.1 12.0 11.7 11.5 11.2 10.9 10.7 10.3 10.1 s.7 9.4 8.6 8.3 7.8 7.6 7.3 7.1 6.9 



8.7 8.9 d.9 9.1 8.9 8.9 8.7 8.6 8.4 6.2 7.9 7.6 7.5 6.7 6.6 6.3 6.2 6.2 6.2 6.0 



6.6 6.6 6.7 6.9 6.6 6.6 b.6 6.5 6.5 6.3 6.7 5.9 5.9 5.6 5.7 5.3 5.4 5.3 5.5 5.5 



50 150 250 350 450 550 650 750 850 950 1C50 1150 1250 1350 1150 1550 1650 1750 1850 1950 



93 278 163 649 834 1019 1215 1390 1575 1761 1946 2131 2317 2502 2687 2872 3058 3243 3428 3614 



DTST1NCS 











10 





20 





30 





40 





50 



D 



60 



£ 



70 



P 



80 



T 



90 



H 



100 





120 



(M) 



150 





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100 





500 





N HI 





K(l 



26 



