Table 2 



Location Identifier for Harbor Breakup and Freezeup Dates 



Freezeup 











Yrs 





Site 



Earliest 

 9/2l^ 



Latest 

 9/2if 



Avg D 



ata 



1. 



♦Barter Island 



1 



2. 



Pt. Barrow 



8/30 



12/19 



9/17 



25 



3. 



Wainwright 



9/16 



10/25 



10/5 



8 



k. 



Pt. Lay 



10/15 



11/27 





4 



5. 



Pt. Hope 



10/6 



12/19 



n/n 



8 



6. 



Kotzebue 



10/2 



11/5 



10/23 



14 



7. 



Wrangel Island 



10/18 



12/4 





3 



8. 



Wales 



10/8 



1/8 



12/3 



16 



9. 



TUcme 



10/13 



12/13 



11/12 



50 



10. 



Gambell 



10/15 



12/14 



11/21 



10 



11. 



Nunivak 



11/20 



12/13 



12/1 



2 



12. 



Bethel 



10/8 



11/24 



10/29 



27 



13. 



Naknek 



10/17 



12/15 

 9/17 



11/17 



7 



Ik, 



Alert 



8/27 



9/3 



4 



15. 



Thule 



9/19 



n/i 



10/9 



15 



16. 



Clyde River 



10/1 



ii/n 



10/19 



9 



17. 



Padloping Island 



10/3 



11/24 



10/26 



10 



18. 



Cape Dyer 



10/3 



11/7 



10/19 



7 



19. 



Frobisher Bay 



10/9 



11/14 



10/24 



11 



20. 



Resolution Island 



10/9 



11/18 



11/6 



10 



21. 



Hope dale 



11/12 



12/14 



11/23 



8 



22. 



Goose Bay 



10/20 



11/24 



11/14 



19 



23. 



Cartwright 



11/12 



12/16 



12/1 



9 



2k. 



St. Anthony 



11/30 



12/5 



12/3 



3 



25. 



Sondre Strom 



10/8 



11/7 



11/1 



15 



26. 



Kulusid£ 



9/30 



11/26 



11/4 



12 



27. 



Eureka 



9/6 



9/21 



9/13 



6 



28. 



Isaehsen 



8/24 



9/6 



8/31 



5 



29. 



Mould Bay 



9/1 



9/15 



9/6 



4 



30. 



Resolute 



9/12 



9/26 



9/19 



9 



31. 



Arctic Bay 



10/7 



10/19 



10/13 



3 



32. 



Sachs Harbor 



9/28 



10/31 



10/15 



7 



33. 



Aklavik 



10/9 



10/27 



10/16 



3 



3^^. 



Coppermine 



10/16 



11/4 



10/26 



5 



35. 



Cambridge Bay 



9/25 



10/16 



10/7 



5 



36. 



Coral Harbor 



10/21 



11/26 



11/7 



5 



37. 



Chesterfield 



10/30 



11/15 



11/7 



4 



38. 



Churchin 



10/17 



11/19 



11/7 



3 



39. 



Port Harrison 



11/5 



11/13 



11/9 



3 



Breakup 



Yrs 



Avg Data Earliest Latest Avg Data 



7/15 



6/15 



6/7 



5/20 



5/30 



5/17 



7/30 



5/15 



4/28 



5/1 



5/11 



4/24 



3/19 

 7/31 

 7/8 

 8/16 



7/31 

 7/28 

 7/28 

 6/30 

 6/15 

 5/25 

 5/25 



5/22 



7/15 



7/15 



8/1 



8/20 



7/20 



8/31 



8/24 



7/26 



7/10 



7/8 



6/8 



8/16 



6/30 



6/28 



7/1 



5/30 



5/28 



4/25 



8/5 



8/16 



9/28 



9/8 



9/1 



8/28 



8/25 



7/25 



7/15 



6/30 



7/13 



6/12 



9/10 



8/20 



8/16 



8/26 



8/13 



8/13 



3 



7/24 



25 



7/5 



7 



6/15 



3 



6/20 



8 



5/31 



14 





4 



6/8 



16 



5/29 



50 



5/26 



10 



5/20 



2 



5/15 



27 





7 



8/2 



2 



7/22 



11 



9/3 



6 



8/24 



6 



8/20 



6 



8/16 



6 



7/23 



6 



7/11 



6 



6/25 



11 



6/17 



6 



6/8 



6 



6/7 



11 



8/12 



10 



7/28 



5 



8/10 



3 



8/23 



2 



7/29 



4 



* Numbers agree with those shown in figure 2. 



