load 'uh5yRHm'
M = uh5yRHm;

mat1 = M (1:21,:);

years1 = mat1 (:,1);
RH1 = mat1 (:,2);

bb1 = robustfit (years1,RH1);



load 'uh5yRHm'
M = uh5yRHm;

mat2 = M (2:22,:);

years2 = mat2 (:,1);
RH2 = mat2 (:,2);

bb2 = robustfit (years2,RH2);


load 'uh5yRHm'
M = uh5yRHm;

mat3 = M (3:23,:);

years3 = mat3 (:,1);
RH3 = mat3 (:,2);

bb3 = robustfit (years3,RH3);


load 'uh5yRHm'
M = uh5yRHm;

mat4 = M (4:24,:);

years4 = mat4 (:,1);
RH4 = mat4 (:,2);

bb4 = robustfit (years4,RH4);



load 'uh5yRHm'
M = uh5yRHm;

mat5 = M (5:25,:);

years5 = mat5 (:,1);
RH5 = mat5 (:,2);

bb5 = robustfit (years5,RH5);






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 'uh5yRHm'
MM = uh5yRHm;

load 'bb'
bb = bb;

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

trendchengesmean = figure;
hold on
trendchangesmean = plot (years, RH, '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 ([1983 2012 15 45]);
hold on
legend ('5 yr running average','-0.553 + 1311 (% / yr)','20 yrs trends','location','Northwest');