April 15 86.1 

 6io 105-0 

 11-15 38-9 

 16-20 35 

 2125 !6-i 

 3630 102.9 



Mean value 583 



o 65-8 0.7 



1-4 I IO-6 o_4 



o 3a9 o 



0.4 2-5 o 



: . - _ : - 



i.i 84-7 1-8 



06528 0.6 



13.6 9-i o 333 



72-8 14 8-i 1 1.9 



1-8 04 0.7 5.6 



04 0-4 i-i 0.7 



0.4 i-i o o 



12-3 -7 0-7 2-5 



167 22 14 94 





Biriceiand. The Norwegian Aurora Polaris 



o 28.7 :o-9 9.5 i-i 17.5 35 36.1 1-4 i-o 22-4 0-8 53^ 1-4 a 7 



4-9 130 1-8 52-9 0.7 76.7 o :o6 I 17.3 46-9 5:.! 33,1 62.3 I4JO 129.5 



0-4 7.7 o 34.9 o 44.5 o TL o 82-6 0.7 36.1 34.7 -4 4* 



0-4 O 0-4 14 JO O 3O-8 O 70-0 O 788 I- 335 60 4-3 32 



o 4-3 6.7 10-3 15* 7-7 6uo 13.3 o 37.5 0-4 33.3 oj I9 i9 



0.7 0-4 0-7 o 0-4 1J 1-4 19-3 0.7 329 3.5 17^ 68.3 o 96.3 



11 94 3.4 186 3J 307 18 533 32 50J 13.1 237 383 53 985 23 



-..:. 



