SITE(S) LINE N MEANDIF MEDIANDIF STDEVDIF NWR - cal LT 88 0.136 0.135 0.100 FEF - cal LT 75 -0.338 -0.338 0.071 SPL - cal LT 92 -0.363 -0.365 0.078 HDP - cal LT 78 1.052 1.024 0.210 RBA - cal LT 67 -0.031 -0.033 0.078