Temperatures 

 Extremes 



August 



Temp. 

 •C 



29 



October 



November December 



Dens. 



Dens. Tsmp. Deiss. Temp. Dens. Temp. Dens. Temp. 



(Tis -C (Tjs 'C (Tis 'C 0-15 'C 



RIVER, ORE. 



13.6 20,2 12.3 20.0 11.1 17.1 10.2 1^.5 9.6 I4..3 



Point), ORE. 



17.9 -- 



19.0 -- 



18.5 -- 



19.8 -- 



18.7 -- 



18.5 -- 



19.1; 

 18.3 

 18.2 

 17.6 

 18.0 



17.9 

 18.2 

 18.1; 

 18.1 

 17.5 



19.6 

 18.1 

 18.1 

 19.2 



19.1 

 17.5 



19.6 

 19.7 

 19.8 

 19.6 



19.2 

 19.6 

 20.2 



19.7 

 20.1; 

 20.0 

 19.9 

 19.3 



-0.2 



-0.1 

 ■0.1 

 -0,2 



-0.1 



0.0 



-0.3 



-0.5 

 -0.1; 

 -0.7 

 -0.3 

 -0.7 



17.1 



17.2 



16.6 

 17.9 

 15.3 

 16.7 



17.0 

 17.3 

 16.6 

 16.2 

 15.5 



11;. 8 

 16.6 

 16.^ 

 ll;.6 

 15.7 



16.6 

 16,1 

 16.2 

 17.3 



16,6 

 16,2 



17a 

 17.3 



18,1 

 18.0 



18.1 

 18.3 

 18.1; 



17.9 

 17.9 

 18,3 

 19.6 

 17.5 



13.8 



11;. 6 

 11;. 9 

 11;. 7 

 12.7 

 13.2 



13.3 

 12.6 

 12,0 

 12.2 

 12.7 



12.9 

 12.7 

 12.1 

 11.1; 

 12.7 



13. 

 12, 

 12,9 



10.2 



9.5 

 8.6 

 9.9 

 9.6 

 7.6 



8.6 

 7.7 

 7.7 

 7.2 

 8.0 



9.2 

 9.2 

 8.6 

 8.3 

 9.1 



8.9 

 8.1 

 6.8 



1;.!; 

 1;.7 



6.1; 



5.0 

 3.1 



5.6 

 5.0 

 1;.3 

 5.2 

 l;.i 



2.1 

 6.0 

 6.1 

 6.2 

 5.9 



k.l 

 h.k 

 k.e 



Means 



Temp. Dens. 



11.5 12.9 



11.9 -- 



11.5 -- 

 12.2 -- 



11.1; - 



10.9 -- 



11.1 -- 



10.9 -- 



9.6 - 



10.6 -- 



10.7 -- 



9.8 - 



10.6 

 10.2 

 11.8 



11.3 

 10.8 

 10.8 



1U.5 

 11;.2 



7.8 



6.1; 



0,0 13o3 0.6 



0.3 I3»t; 1.2 



1.0 ll;.!; 2.5 



0.6 11;. 9 1.7 



0.9 13.6 1.2 



0.5 11;. 6 1.1; 



0,3 ll;o5 0.2 



0.2 

 -0.1 

 0,1 

 0.5 

 -0.2 



15»1; 

 i3o9 

 11;, 8 

 16.2 

 11;. 9 



0.5 

 0.8 

 0.2 



0.5 

 0.0 



9.1 

 9.1 

 9.0 

 9.1; 



9.1 



10.2 



9.2 



10.7 

 9.0 

 11.6 

 10.9 

 10.3 



1.1 

 0.6 

 2.9 

 1.7 



0.7 



1.1; 



-0.2 



-0.1; 

 0.3 

 0.0 



-0.1; 



-0.3 



6.6 

 6.3 



6.6 

 7.3 

 6.8 



7.0 

 6.1; 

 8.0 

 7.1; 

 6.9 



0.6 

 1.1 

 2.1 

 1.1 



0.3 



0.9 



-0.3 



0.5 

 -0.6 

 -1.0 

 -1.0 

 -1.0 



19.2 -0.2 17.1; 0.5 13-8 1.1 9.1 0.9 6.0 0.1 



21; 



20.7 



18.0 



It; 



5.5 

 1.1 

 -0.8 

 -1.3 



22 



19.3 

 15.5 

 12 



RIVER, ORE. 



20.6 -0.5 17,7 



6.3 19 9.9 11; 9.7 11 9.6 



3.0 16,1 k'S 11.5 1;.! 7.8 1;.3 



■0.7 11.1; -0.7 7.0 -0.9 1;.0 -1.0 



-1,3 8 -1.8 3 -1.8 -1 -1.6 



-0.5 1L;.5 -0.8 9.2 -1.0 6.2 -1.0 



COLUMBIA RIVER. WASH. 



21.1 -0.5 17.6 -0,6 



15.3 -0. 



9.9 -1.0 6.7 -0.9 



11.8 

 11.8 

 12.0 

 12.2 



11.8 

 12.2 

 12.3 



12.3 

 12.8 

 12.6 

 12.9 

 12.5 



0.1 

 0.2 

 0.6 

 0.2 



0.1 

 0.1 

 -O.I; 



-0.1; 

 -0.5 

 -0.6 

 -0.5 

 -0.8 



11.7 -0.2 



12.2 -0.8 



12.6 -0.7 



Maxiniam Minimum 



Temp. Dens. Temp. Dens. 



°C 



(T,, 



17 28.2 



20 

 19 

 21 

 20 

 20 



21 

 19 

 20 

 21 

 19 



19 



19-::- -- 



19 



19 



20 



22 

 19 

 20 

 21* -- 



20 

 19 



21; 8.8 



22 10.2 



2L; 9.7 



21; 9.9 



22 8.2 



22 9.2 



23 5.1 



21 

 22 

 21 

 21 

 21 



1;.3 

 t;.i 

 3.1; 

 1;.!; 

 2.8 



21; 10.2 



23 0.0 



23 0.5 



-1 



-1.5 





 2 

 1 

 3 

 -1 



3 



1 



-1 



2 









 -1 



2 

 -1 



I; 



1 

 1 

 1 

 3-s- 



6-::- 

 1« 





 

 

 1 



-1 

 

 



2 

 5 

 3 

 2 



1; 



-1.6 

 -1.8 

 -1.6 

 -1.8 



■u 



-1.3 



-1.1; 

 -1.5 

 -1.1; 

 -1.1; 



-1.2 



■1.3 



