I have a 30/50 Pumptrol pressure switch on a 20 gallon pressure tank for my well. The pressure gauge reading on the tank stays at around 58 psi when the pump is not in use. Once I ran the the faucet, it took about 2 minutes and 51 seconds before the gauge dropped from 58 psi down to around 29 psi. Around the last second before the pressure switch turned the pump back on, the gauge's needle dropped rapidly from 40 to 29 psi and then jumped back rapidly to 40 psi before slowly rising the pressure on the gauge. It then took the pressure switch 2 minutes to rise back to 58 psi before turning off. Is this normal?
