どうも ... そうだ/ ようだ/ らしい => It seems, probably N3
Speculation
ただし/ただ => right; correct. N2
~どおしだ(通しだ)      => do something all the time N1
だとしたら => in the case of~; assuming~; if A then B N3
Beyond expectations
だから…のだ => No wonder... N2
Of course
しかしながら => however, nevertheless N2
Things do not match the prediction
ことだし => Because...so... N2
Cause, reason
...し, ...し, ...から => and; and what's more ~ (emphasis) N4
Line up, list
... のだから => Because ... N4
Cause, reason
だから…のだ => Therefore..., as a result... N4
Result
くらいだ/ぐらいだ => Around/about N5
Amount
だけしか~ない => only N3