[SQL] pobierz, plaintext 
SELECT * FROM `tabela` WHERE `id_box` IN (1,3) AND  MONTH(date_stat) = 6 AND YEAR(date_stat) = 2016 ORDER BY date_stat
[SQL] pobierz, plaintext 

i mam cos takiego

1 2016-06-01 17552
3 2016-06-01 652
1 2016-06-02 7314
3 2016-06-02 10252

a ja chce by mi sumowalo to razem

2016-06-01 17552 + 652
2016-06-02 7314 + 10252

https://www.google.pl/search?q=mysql+sum+by+day

GROUP BY a nie ORDER BY ;(

ehhh