for loop that loops through a changing paramter of ode45

I am trying to loop through a column of data that is a parameter (bolded below) in my ODE45 function. I keep getting the error "Unable to perform assignment because the size of the left side is 8760-by-1 and the size of the right side is 8760-by-2." I'm a bit stuck on where I am causing the error and how to fix it.

CIMIS = importdata('temps.csv'); % 8760 by 1
Y0 = [10,15]; % initial conditions (degrees celcius)
tspan = linspace(0,86400,8760);  

T = zeros(8760,17520); % preallocating matrix for ODE output
t = zeros(8760,8760);

for i = 1:8760
To(i) = CIMIS(i);   
[t(:,i),T(:,i)] = ode45('temp',tspan,Y0); % calling function and solving DEs
end

% function [Tdot] = temp(t,T)
% global ca h U To m Io R cm
% 
% Tdot(1) = (1/ca).*(h.*(T(2)-T(1)) - U.*(T(1) - To)); % equation for temp of greenhouse air
% 
% Tdot(2) = (1/cm).*(m.*Io - h.*(T(2) - T(1)) - R); % equation for temp of thermal mass
%  
% Tdot = Tdot'; % row vectors into column vectors
% end

Answer 1

[darova]

Here is the problem