Applying linearized Langevill equatiolls, we calclIlate the sqlleezing spectrll,rnthe qlladmtllre variances lind the mellll photOiI IlIlmbers for the fll/Hlllmenta( IImirnhllrmonic modes illvolved in degellemte secolld hllrmollic gelleratioll in II cllvityrncOllpled to squeezed vacllllm reservoirs, Employing the slime method, we IIlsorncalclllllte tile squeezillg spectra for the slim allll difference of the jillldalllelltlllrnmodes ill nOlulegellerate secolld harmonic generatioll