PROGRESSION LINE!?!?!?! EDIT!!

So

Is my progression line getting weaker?? Top two were taken on Saturday 28th and bottom two were taken today. The bottom two are definitely not as strong!

EDIT - TOP TWO WERE TAKEN IN THE EVENING BUT I HADN'T HAD A DRINK MOST THE DAY AND HAD STRONG URINE.

2ND TO BOTTOM WAS FMU BUT IT HAD BEEN LEFT FOR ABIT BEFORE TESTING.

BOTTOM WAS ABOUT HALF AN HOUR AGO.