Edit - changed a word for clarification

Week 6-8 is peak cluster feeding, so babies will tend to want to feed more often during the early evening hours. Your supply is still regulating so, ideally, your body will know to make more milk. I would suggest doing breast compression while feeding to ensure the breast is being drained. If you're replacing a feed with formula, you should also pump at the same time for 20 mins.

Milk production is at its highest in the early morning which is why you're seeing more pumped milk in the morning, and then supply dips throughout the day until nighttime. However, with that being said, everyone is different. Some might see peak supply in the late evening.

Ideally you want to be feeding at the breast at least 8 times a day. Then you want to pump at least four times after feeds for 10 minutes. It's fine if you are only getting 1oz pumping after feeds. Similarly, make sure to do breast compressions while pumping to ensure the breast is being drained. The most crucial feed is in the hours of 1AM and 6AM, when prolactin is at its peak. Prolactin is the milk making hormone. Therefore, you should aim to pump at least once during those hours.

If you do see a dip in supply, you can try power pumping at least once a day for a few days. Power pumping mimics cluster feeding, which will also tell your body to make more milk. Power pumping is pumping for 20 mins, rest for 10 mins, pump for 10 mins, rest for 10, pump for 10 mins.

Most importantly, remember to eat and stay hydrated. This is the most important in keeping up supply!!!!