diff --git a/src/frontend/inpdeg.c b/src/frontend/inpdeg.c
index 76e6675cb..08ec96550 100644
--- a/src/frontend/inpdeg.c
+++ b/src/frontend/inpdeg.c
@@ -153,7 +153,13 @@ int readdegparams (struct card *deck) {
    Return number of degradation monitors, or 0 in case of error. */
 int adddegmonitors(struct card* deck) {
     static int degmonno;
-    double tfuture = 315336e3; /* 10 years */
+    double tfuture, dlimits;
+    if (!cp_getvar("deg_tfuture", CP_REAL, &tfuture, 0))
+        tfuture = 315360e3; /* 10 years */
+    fprintf(stdout, "Note: deg data extrapolated to %e seconds (%.1f years)\n", tfuture, tfuture / 31536e3);
+    if (!cp_getvar("deg_limits", CP_REAL, &dlimits, 0))
+        dlimits = 1e-3;
+    fprintf(stdout, "Note: deg data lower limit is %e\n", dlimits);
     int nodes = 4;
     if (agemods[0].paramhash == NULL)
         return 1;
@@ -214,8 +220,8 @@ int adddegmonitors(struct card* deck) {
                          */
                         char* aline = tprintf("adegmon%d_%s %%v([%s]) mon%d degmon%d\n", 
                             degmonno, instname, fournodes, degmonno, degmonno);
-                        char* mline = tprintf(".model degmon%d degmon (tfuture=%e %s devmod=\"%s\" instname=\"%s\"\n",
-                            degmonno, tfuture, clength, modname, instname);
+                        char* mline = tprintf(".model degmon%d degmon (tfuture=%e dlimits=%e %s devmod=\"%s\" instname=\"%s\"\n",
+                            degmonno, tfuture, dlimits, clength, modname, instname);
                         tfree(clength);
                         insert_new_line(deck, aline, 0, deck->linenum_orig, deck->linesource);
                         insert_new_line(deck, mline, 0, deck->linenum_orig, deck->linesource);
diff --git a/src/xspice/icm/xtradev/degmonitor/cfunc.mod b/src/xspice/icm/xtradev/degmonitor/cfunc.mod
index 8a7fb5915..c105639a0 100644
--- a/src/xspice/icm/xtradev/degmonitor/cfunc.mod
+++ b/src/xspice/icm/xtradev/degmonitor/cfunc.mod
@@ -288,6 +288,7 @@ void cm_degmon(ARGS)  /* structure holding parms,
     double constfac;     /* static storage of const factor in model equation */
     double tfut;
     double tsim;
+    double dlimits;
     double deg;           /* monitor output */
     double sintegrand = 0;
     double sintegral;
@@ -322,6 +323,7 @@ void cm_degmon(ARGS)  /* structure holding parms,
     devmod = PARAM(devmod);
     tfut = PARAM(tfuture);
     devtype =  PARAM(type);
+    dlimits = PARAM(dlimits);
     L = PARAM(L);
     tsim = TSTOP;
 
@@ -469,7 +471,7 @@ void cm_degmon(ARGS)  /* structure holding parms,
                 /***************************/
                 sintegral = 1e99; // flag final time step
                 /* only significant degradation */
-                if (fabs(deg) < 1e-6)
+                if (fabs(deg) < dlimits)
                     deg = 0.;
                 loc->result[ii] = deg;
             }
diff --git a/src/xspice/icm/xtradev/degmonitor/ifspec.ifs b/src/xspice/icm/xtradev/degmonitor/ifspec.ifs
index c63aabe00..38a5ff153 100644
--- a/src/xspice/icm/xtradev/degmonitor/ifspec.ifs
+++ b/src/xspice/icm/xtradev/degmonitor/ifspec.ifs
@@ -65,14 +65,14 @@ Null_Allowed:       yes                    no
 
 PARAMETER_TABLE:
 
-Parameter_Name:     type
-Description:        "model type PMOS, NMOS"
-Data_Type:          int
-Default_Value:      1
-Limits:             -
-Vector:             no
-Vector_Bounds:      -
-Null_Allowed:       yes
+Parameter_Name:     type                    dlimits
+Description:        "model type PMOS, NMOS" "degradation limits"
+Data_Type:          int                     real
+Default_Value:      1                       1e-3
+Limits:             -                       -
+Vector:             no                      no
+Vector_Bounds:      -                       -
+Null_Allowed:       yes                     yes
 
 STATIC_VAR_TABLE: