The roofs and ekes are different weights.
Estimating each hive, the following are the weights to deduct to work out stores in colony. THese include roofs and ekes if they have them.
1 - 17.36kg
2 - 16.8kg
3 - 17.3kg
4 - 19.54kg
5 - 22.68kg
The estimatd stores are on the colony spreadsheets.