diff --git a/changelog/557.feature.md b/changelog/557.feature.md
new file mode 100644
index 000000000..af8e3eb74
--- /dev/null
+++ b/changelog/557.feature.md
@@ -0,0 +1 @@
+Metric for diagnostics of double ITCZ was added: Spatial corrleation of simulated DJF precipitation climatology against reference dataset over the area of 20S to 0 latitude and 100 to 210 longitude.
diff --git a/packages/climate-ref-pmp/src/climate_ref_pmp/diagnostics/annual_cycle.py b/packages/climate-ref-pmp/src/climate_ref_pmp/diagnostics/annual_cycle.py
index c2e2a8fe2..144e4ef2b 100644
--- a/packages/climate-ref-pmp/src/climate_ref_pmp/diagnostics/annual_cycle.py
+++ b/packages/climate-ref-pmp/src/climate_ref_pmp/diagnostics/annual_cycle.py
@@ -320,7 +320,7 @@ class AnnualCycle(CommandLineDiagnostic):
     test_data_spec = TestDataSpecification(
         test_cases=(
             TestCase(
-                name="cmip6",
+                name="cmip6-ts",
                 description="Test with CMIP6 ts data and ERA-5 climatology",
                 requests=(
                     RegistryRequest(
@@ -342,7 +342,30 @@ class AnnualCycle(CommandLineDiagnostic):
                 ),
             ),
             TestCase(
-                name="cmip7",
+                name="cmip6-pr",
+                description="Test with CMIP6 pr data and GPCP-Monthly-3-2 climatology. "
+                "Produces double ITCZ pattern in the diagnostics.",
+                requests=(
+                    RegistryRequest(
+                        slug="annual-cycle-gpcp-pr",
+                        registry_name="pmp-climatology",
+                        facets={"variable_id": "pr", "source_id": "GPCP-Monthly-3-2"},
+                    ),
+                    CMIP6Request(
+                        slug="annual-cycle-cmip6-pr",
+                        facets={
+                            "source_id": "ACCESS-ESM1-5",
+                            "experiment_id": "historical",
+                            "variable_id": "pr",
+                            "member_id": "r1i1p1f1",
+                            "table_id": "Amon",
+                        },
+                        time_span=("2000-01", "2014-12"),
+                    ),
+                ),
+            ),
+            TestCase(
+                name="cmip7-ts",
                 description="CMIP7 test case with converted historical ts from ACCESS-ESM1-5",
                 requests=(
                     RegistryRequest(
diff --git a/packages/climate-ref-pmp/src/climate_ref_pmp/params/pmp_param_annualcycle_2-metrics.py b/packages/climate-ref-pmp/src/climate_ref_pmp/params/pmp_param_annualcycle_2-metrics.py
index bacc14826..b2eb20e9d 100644
--- a/packages/climate-ref-pmp/src/climate_ref_pmp/params/pmp_param_annualcycle_2-metrics.py
+++ b/packages/climate-ref-pmp/src/climate_ref_pmp/params/pmp_param_annualcycle_2-metrics.py
@@ -41,7 +41,8 @@
 generate_sftlf = True  # if land surface type mask cannot be found, generate one
 
 # Region
-regions = {"rlut": ["Global"]}
+regions_specs = {"global": {}, "doubleITCZ": {"domain": {"latitude": (-20.0, 0), "longitude": (100, 210)}}}
+regions = {"rlut": ["global"], "pr": ["global", "doubleITCZ"]}
 
 # ROOT PATH FOR MODELS CLIMATOLOGIES
 test_data_path = "demo_data_tmp/CMIP5_demo_clims/"