diff --git a/api.c b/api.c
index 50bbbbf4..b67cff46 100644
--- a/api.c
+++ b/api.c
@@ -3054,17 +3054,23 @@ static int itemstats(struct io_data *io_data, int i, char *id, struct cgminer_st
 					 "%"PRIu64" 0", cgpu->usbinfo.tmo_count);
 		} else {
 			snprintf(details, sizeof(details),
-				 "%"PRIu64" %d=%d/%"PRIu64"/%"PRIu64
-				 " %d=%d/%"PRIu64"/%"PRIu64
-				 " %d=%d/%"PRIu64"/%"PRIu64" ",
+				 "%"PRIu64" %d=%d/%d/%d/%"PRIu64"/%"PRIu64
+				 " %d=%d/%d/%d/%"PRIu64"/%"PRIu64
+				 " %d=%d/%d/%d/%"PRIu64"/%"PRIu64" ",
 				 cgpu->usbinfo.tmo_count,
 				 USB_TMO_0, cgpu->usbinfo.usb_tmo[0].count,
+				 cgpu->usbinfo.usb_tmo[0].min_tmo,
+				 cgpu->usbinfo.usb_tmo[0].max_tmo,
 				 cgpu->usbinfo.usb_tmo[0].total_over,
 				 cgpu->usbinfo.usb_tmo[0].total_tmo,
 				 USB_TMO_1, cgpu->usbinfo.usb_tmo[1].count,
+				 cgpu->usbinfo.usb_tmo[1].min_tmo,
+				 cgpu->usbinfo.usb_tmo[1].max_tmo,
 				 cgpu->usbinfo.usb_tmo[1].total_over,
 				 cgpu->usbinfo.usb_tmo[1].total_tmo,
 				 USB_TMO_2, cgpu->usbinfo.usb_tmo[2].count,
+				 cgpu->usbinfo.usb_tmo[2].min_tmo,
+				 cgpu->usbinfo.usb_tmo[2].max_tmo,
 				 cgpu->usbinfo.usb_tmo[2].total_over,
 				 cgpu->usbinfo.usb_tmo[2].total_tmo);
 		}
diff --git a/usbutils.c b/usbutils.c
index 3da8dc29..a0dbbe3c 100644
--- a/usbutils.c
+++ b/usbutils.c
@@ -2135,12 +2135,13 @@ static void stats(struct cgpu_info *cgpu, struct timeval *tv_start, struct timev
 	// timeout checks are only done when stats are enabled
 	extrams = SECTOMS(tdiff(tv_finish, tv_start)) - timeout;
 	if (extrams >= USB_TMO_0) {
+		uint32_t totms = (uint32_t)(timeout + extrams);
 		int offset = 0;
 
 		if (extrams >= USB_TMO_2) {
 			applog(LOG_ERR, "%s%i: TIMEOUT %s took %dms but was %dms",
 					cgpu->drv->name, cgpu->device_id,
-					usb_cmdname(cmd), extrams+timeout, timeout) ;
+					usb_cmdname(cmd), totms, timeout) ;
 			offset = 2;
 		} else if (extrams >= USB_TMO_1)
 			offset = 1;
@@ -2148,6 +2149,15 @@ static void stats(struct cgpu_info *cgpu, struct timeval *tv_start, struct timev
 		cgpu->usbinfo.usb_tmo[offset].count++;
 		cgpu->usbinfo.usb_tmo[offset].total_over += extrams;
 		cgpu->usbinfo.usb_tmo[offset].total_tmo += timeout;
+		if (cgpu->usbinfo.usb_tmo[offset].min_tmo == 0) {
+			cgpu->usbinfo.usb_tmo[offset].min_tmo = totms;
+			cgpu->usbinfo.usb_tmo[offset].max_tmo = totms;
+		} else {
+			if (cgpu->usbinfo.usb_tmo[offset].min_tmo > totms)
+				cgpu->usbinfo.usb_tmo[offset].min_tmo = totms;
+			if (cgpu->usbinfo.usb_tmo[offset].max_tmo < totms)
+				cgpu->usbinfo.usb_tmo[offset].max_tmo = totms;
+		}
 	}
 
 	details = &(usb_stats[cgpu->usbinfo.usbstat - 1].details[cmd * 2 + seq]);
diff --git a/usbutils.h b/usbutils.h
index abfcc57b..cc855770 100644
--- a/usbutils.h
+++ b/usbutils.h
@@ -193,6 +193,8 @@ struct cg_usb_device {
 
 struct cg_usb_tmo {
 	uint32_t count;
+	uint32_t min_tmo;
+	uint32_t max_tmo;
 	uint64_t total_over;
 	uint64_t total_tmo;
 };