load 'uh5ydpm'
M = uh5ydpm;

mat1 = M (1:21,:);

years1 = mat1 (:,1);
dp1 = mat1 (:,2);

bb1 = robustfit (years1,dp1);



load 'uh5ydpm'
M = uh5ydpm;

mat2 = M (2:22,:);

years2 = mat2 (:,1);
dp2 = mat2 (:,2);

bb2 = robustfit (years2,dp2);


load 'uh5ydpm'
M = uh5ydpm;

mat3 = M (3:23,:);

years3 = mat3 (:,1);
dp3 = mat3 (:,2);

bb3 = robustfit (years3,dp3);


load 'uh5ydpm'
M = uh5ydpm;

mat4 = M (4:24,:);

years4 = mat4 (:,1);
dp4 = mat4 (:,2);

bb4 = robustfit (years4,dp4);

% 
% 
% load 'uh5ydpm'
% M = uh5ydpm;
% 
% mat5 = M (5:25,:);
% 
% years5 = mat5 (:,1);
% dp5 = mat5 (:,2);
% 
% bb5 = robustfit (years5,dp5);




trendchangesplot = figure;
hold on
trenchangesplot = plot (years1,years1*bb1(2)+bb1(1),'blue','Linewidth',2);
hold on
grid on
trenchangesplot = plot (years2,years2*bb2(2)+bb2(1),'blue','Linewidth',2);
hold on
grid on
trenchangesplot = plot (years3,years3*bb3(2)+bb3(1),'blue','Linewidth',2);
hold on
trenchangesplot = plot (years4,years4*bb4(2)+bb4(1),'blue','Linewidth',2);
hold on
%trenchangesplot = plot (years5,years5*bb5(2)+bb5(1),'blue','Linewidth',2);
hold on
xlabel ('years','Fontsize',12);
hold on
ylabel ('dew point (Celsius)','Fontsize',12);


load 'uh5ydpm'
MM = uh5ydpm;

load 'bb'
bb = bb;

years = MM (:,1);
dp = MM (:,2);

trendchengesmean = figure;
hold on
trendchangesmean = plot (years, dp, 'cyan','Linewidth',2);
hold on
trenschangesmean = plot (years, years*bb(2) + bb(1),'magenta','Linewidth',2);
hold on
grid on
trenchangesmean = plot (years1,years1*bb1(2)+bb1(1),'blue','Linewidth',2);
hold on
grid on
trenchangesmean = plot (years2,years2*bb2(2)+bb2(1),'blue','Linewidth',2);
hold on
grid on
trenchangesmean = plot (years3,years3*bb3(2)+bb3(1),'blue','Linewidth',2);
hold on
trenchangesmean = plot (years4,years4*bb4(2)+bb4(1),'blue','Linewidth',2);
hold on
%trenchangesmean = plot (years5,years5*bb5(2)+bb5(1),'blue','Linewidth',2);
hold on
xlabel ('years','Fontsize',12);
hold on
ylabel ('dew point (Celsius)','Fontsize',12);
hold on
axis ([1982 2012 -22 -12]);
hold on
legend ('5 yr running average','-0.09 + 171.19 ((C) / yr)','20 yrs trends');