apr11 1981
-0.502 -0.647 -0.528 -0.410 -0.409 -0.083 -0.028 -0.265 -0.151
apr16 1981
-0.184 -0.056 0.028 -0.311 -0.269 -0.099 -0.056 0.047 -0.422
apr21 1981
-0.339 -0.564 -0.451 -0.570 -0.752 -0.526 -0.244 -0.064 0.013
apr26 1981
0.050 -0.085 -0.177 0.064 0.189 0.129 0.006 0.243 -0.307