I saw you said A1:A10 were months so thought it was vertical. Works the same horizontal.
<tbody>
[TD="align: center"]1[/TD]
[TD="align: center"]Jan[/TD]
[TD="align: center"]Feb[/TD]
[TD="align: center"]Mar[/TD]
[TD="align: center"]Apr[/TD]
[TD="align: center"]May[/TD]
[TD="align: center"]Jun[/TD]
[TD="align: center"]Jul[/TD]
[TD="align: center"]Aug[/TD]
[TD="align: center"]Sep[/TD]
[TD="align: center"]Oct[/TD]
[TD="align: center"]2[/TD]
[TD="align: center"]21222[/TD]
[TD="align: center"]14466[/TD]
[TD="align: center"][/TD]
[TD="align: center"]23900[/TD]
[TD="align: center"]21211[/TD]
[TD="align: center"][/TD]
[TD="align: center"]16110[/TD]
[TD="align: center"]19332[/TD]
[TD="align: center"][/TD]
[TD="align: center"]19332[/TD]
[TD="align: center"]3[/TD]
[TD="align: center"][/TD]
[TD="align: center"][/TD]
[TD="align: center"]33777[/TD]
[TD="align: center"][/TD]
[TD="align: center"][/TD]
[TD="align: center"]18888[/TD]
[TD="align: center"][/TD]
[TD="align: center"][/TD]
[TD="align: center"]12222[/TD]
[TD="align: center"][/TD]
[TD="align: center"]4[/TD]
[TD="align: center"]22000[/TD]
[TD="align: center"]14444[/TD]
[TD="align: center"]22222[/TD]
[TD="align: center"]23456[/TD]
[TD="align: center"]21212[/TD]
[TD="align: center"]39393[/TD]
[TD="align: center"]16110[/TD]
[TD="align: center"]18888[/TD]
[TD="align: center"]18888[/TD]
[TD="align: center"]18888[/TD]
[TD="align: center"]5[/TD]
[TD="align: center"]21222[/TD]
[TD="align: center"]14466[/TD]
[TD="align: center"]33777[/TD]
[TD="align: center"]23900[/TD]
[TD="align: center"]21211[/TD]
[TD="align: center"]18888[/TD]
[TD="align: center"]16110[/TD]
[TD="align: center"]19332[/TD]
[TD="align: center"]12222[/TD]
[TD="align: center"]19332[/TD]
</tbody>
<tbody>[TR="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=DAE7F5]#DAE7F5[/URL] "]
[TH="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=DAE7F5]#DAE7F5[/URL] "]A2
[TH="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=DAE7F5]#DAE7F5[/URL] "]A3