Take a look at my worksheet and let me know what you think.
Look at column H  in the Daily Activity tab, this shows my actual daily and monthly  injections.
Also, on 9/16/200, we did a storage transfer to NIPSCO for  500,000 dth.
Our total capacity is 6,050,607 dth.
We have all the tariff rules in the  Strg Rules tab.

CGAS Storage